Yoshio KOBAYASHI


Frequency Dependence Measurements of Complex Permittivity of Dielectric Plates Using TE0m1 Modes in a Circular Cavity
Hossain S. M. NAZARAT Yoshio KOBAYASHI Zhewang MA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 1126-1131
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
complex permittivity measurementcavity resonance methoddielectric substrate measurementfrequency dependence
 Summary | Full Text:PDF(4.9MB)

Microwave Characterization of Copper-Clad Dielectric Laminate Substrates
Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/12/01
Vol. E90-C  No. 12  pp. 2178-2184
Type of Manuscript:  INVITED PAPER (Special Section on Recent Technologies for Microwave and Millimeter-wave Passive Devices)
Category: 
Keyword: 
microwave measurementcomplex permittivityconductivitydielectric substrates
 Summary | Full Text:PDF(1.2MB)

Novel Compact Microstrip Dual-Mode Ring Resonator Wideband Bandpass Filter with Significantly Improved Stopband Property
Peng CAI Zhewang MA Xuehui GUAN Yoshio KOBAYASHI Tetsuo ANADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/12/01
Vol. E89-C  No. 12  pp. 1858-1864
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Microwave Techniques)
Category: Passive Circuits/Components
Keyword: 
dual-mode ring resonatortransmission zeroswideband bandpass filterimproved stopband
 Summary | Full Text:PDF(658.8KB)

Dual-Mode Bandpass Filters Using Microstrip Slotted Equilateral Triangular Patch Resonators
Weiliang HU Zhewang MA Yoshio KOBAYASHI Tetsuo ANADA Gen HAGIWARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/04/01
Vol. E89-C  No. 4  pp. 503-508
Type of Manuscript:  Special Section PAPER (Special Section on Advanced RF Technologies for Compact Wireless Equipment and Mobile Phones)
Category: 
Keyword: 
dual-mode filtermicrostrip filtersize-reductiontriangular patch resonator
 Summary | Full Text:PDF(679.5KB)

Synthesizing Microstrip Dual-Band Bandpass Filters Using Frequency Transformation and Circuit Conversion Technique
Xuehui GUAN Zhewang MA Peng CAI Yoshio KOBAYASHI Tetsuo ANADA Gen HAGIWARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/04/01
Vol. E89-C  No. 4  pp. 495-502
Type of Manuscript:  Special Section PAPER (Special Section on Advanced RF Technologies for Compact Wireless Equipment and Mobile Phones)
Category: 
Keyword: 
admittance inverterdual-band filterfrequency transformationmicrostrip line
 Summary | Full Text:PDF(622.1KB)

A Novel Compact HTS Interdigital Bandpass Filter Using CPW Quarter-Wavelength Resonators
Zhewang MA Tamio KAWAGUCHI Yoshio KOBAYASHI Daisuke KOIZUMI Kei SATOH Shoichi NARAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/02/01
Vol. E89-C  No. 2  pp. 140-144
Type of Manuscript:  Special Section PAPER (Special Section on Superconducting High-frequency Devices)
Category: 
Keyword: 
high temperature superconductorcoplanar waveguidebandpass filter
 Summary | Full Text:PDF(408.1KB)

Miniaturized High-Temperature Superconducting Microstrip and Coplanar Waveguide Filters
Zhewang MA Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/07/01
Vol. E88-C  No. 7  pp. 1406-1411
Type of Manuscript:  Special Section PAPER (Special Section on Recent Technologies of Microwave and Millimeter-Wave Devices Focusing on Miniaturization and Advancement in Performance with Their Applications)
Category: Resonators & Filters
Keyword: 
high-temperature superconductormicrostrip spiral resonatorcoplanar waveguidebandpass filter
 Summary | Full Text:PDF(676KB)

Design and Measurement of a Miniaturized HTS Filter Using Microstrip Spiral Resonators
Zhewang MA Erito SAKURAI Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/02/01
Vol. E88-C  No. 2  pp. 216-220
Type of Manuscript:  Special Section PAPER (Special Section on Superconducting Electronic Devices and Their Applications)
Category: Microwaves
Keyword: 
high-temperature superconductormicrostrip spiral resonatorbandpass filter
 Summary | Full Text:PDF(501KB)

Miniaturized High-Temperature Superconductor Bandpass Filters Using Microstrip S-Type Spiral Resonators
Zhewang MA Tamio KAWAGUCHI Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/01/01
Vol. E88-C  No. 1  pp. 57-61
Type of Manuscript:  Special Section PAPER (Special Section on Recent Trends of Microwave and Millimeter-Wave Passive Circuit Components and Technologies for Improvement of Characteristics)
Category: 
Keyword: 
high-temperature superconductormicrostrip spiral resonatorbandpass filter
 Summary | Full Text:PDF(524.9KB)

Microstrip Lowpass Filters with Reduced Size and Improved Stopband Characteristics
Zhewang MA Kaneo NOMIYAMA Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/01/01
Vol. E88-C  No. 1  pp. 62-67
Type of Manuscript:  Special Section PAPER (Special Section on Recent Trends of Microwave and Millimeter-Wave Passive Circuit Components and Technologies for Improvement of Characteristics)
Category: 
Keyword: 
lowpass filtersmicrostrip linesopen stubsstepped-impedancetransmission zeros
 Summary | Full Text:PDF(868.7KB)

Cut-Off Circular Waveguide Method for Dielectric Substrate Measurements in Millimeter Wave Range
Takashi SHIMIZU Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Vol. E87-C  No. 5  pp. 672-680
Type of Manuscript:  Special Section PAPER (Special Section on Advances in Characterization and Measurement Technologies for Microwave and Millimeter-Wave Materials, Devices and Circuits)
Category: General Methods, Materials, and Passive Circuits
Keyword: 
cut-off circular waveguide methodmillimeter wavedielectric substrate measurement
 Summary | Full Text:PDF(1MB)

Standardization of Measurement Methods of Low-Loss Dielectrics and High-Temperature Superconducting Films
Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Vol. E87-C  No. 5  pp. 652-656
Type of Manuscript:  INVITED PAPER (Special Section on Advances in Characterization and Measurement Technologies for Microwave and Millimeter-Wave Materials, Devices and Circuits)
Category: 
Keyword: 
microwavemillimeter wavestandardizationlow-loss dielectrichigh-temperature superconductor
 Summary | Full Text:PDF(453.8KB)

Analysis and Experiments of a TM010 Mode Cylindrical Cavity to Measure Accurate Complex Permittivity of Liquid
Hirokazu KAWABATA Hiroshi TANPO Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Vol. E87-C  No. 5  pp. 694-699
Type of Manuscript:  Special Section PAPER (Special Section on Advances in Characterization and Measurement Technologies for Microwave and Millimeter-Wave Materials, Devices and Circuits)
Category: General Methods, Materials, and Passive Circuits
Keyword: 
complex permittivitycylindrical cavityliquidRitz-Galerkin method
 Summary | Full Text:PDF(334.2KB)

Two-Sapphire-Rod-Resonator Method to Measure the Surface Resistance of High-Tc Superconductor Films
Toru HASHIMOTO Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Vol. E87-C  No. 5  pp. 681-688
Type of Manuscript:  Special Section PAPER (Special Section on Advances in Characterization and Measurement Technologies for Microwave and Millimeter-Wave Materials, Devices and Circuits)
Category: General Methods, Materials, and Passive Circuits
Keyword: 
two-sapphire-rod-resonator methodsurface resistancehigh-Tc superconductoropen-typecavity-typeclosed-typemode chart
 Summary | Full Text:PDF(1.1MB)

An Improvement of the Perturbation Method Using a TM010 Mode Cylindrical Cavity
Hirokazu KAWABATA Hiroshi TANPO Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/12/01
Vol. E86-C  No. 12  pp. 2371-2378
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Trends on Microwave and Millimeter Wave Application Technology)
Category: Measurement
Keyword: 
perturbation methodcomplex permittivityRitz-Galerkin method
 Summary | Full Text:PDF(523.2KB)

Theory for the Design of a Filter Having One Cross Coupling Path to Realize Transmission Zeros
Zhewang MA Toshiyuki ASANO Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1690-1698
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
filtertransmission zerocross coupling
 Summary | Full Text:PDF(1.2MB)

Frequency Dependence Measurements of Surface Resistance of Superconductors Using Four Modes in a Sapphire Rod Resonator
Toru HASHIMOTO Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1721-1728
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
high-Tc superconductorsmicrowavesurface resistancefrequency dependence
 Summary | Full Text:PDF(1.4MB)

Design of a Grooved Circular Cavity for Dielectric Substrate Measurements in Millimeter Wave Region
Takashi SHIMIZU Zhewang MA Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1715-1720
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
dielectric substrate measurementcut-off circular waveguide methodmillimeter wave
 Summary | Full Text:PDF(1.1MB)

On the Error of the Unloaded Q-Factor of a Transmission-Type Resonator Measured by the Insertion Loss Method and the Return Loss Method
Zhewang MA Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1672-1677
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
microwave resonatorQ measurement
 Summary | Full Text:PDF(535.9KB)

Design and Diagnosis of a 5 GHz 10-Pole HTS Bandpass Filter Using CPW Quarter-Wavelength Resonators
Zhewang MA Hideyuki SUZUKI Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/02/01
Vol. E86-C  No. 2  pp. 144-149
Type of Manuscript:  Special Section PAPER (Special Issue on Circuit and Device Technology for High-Speed Wireless Communication)
Category: Passive (Filter)
Keyword: 
superconductorcoplanar waveguide (CPW)quarter-wavelength resonatorbandpass filter
 Summary | Full Text:PDF(805.6KB)

An Image-Type Dielectric Resonator Method to Measure Surface Resistance of a High-Tc Superconductor Film
Toru HASHIMOTO Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/01/01
Vol. E86-C  No. 1  pp. 30-36
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductor Digital/Analog Circuit Technologies)
Category: HTS Digital Applications
Keyword: 
surface resistancehigh-Tc superconductorsimage-type dielectric resonatormode matching method
 Summary | Full Text:PDF(1.4MB)

The Possibility of Magnetic Resonance Imaging-Based Diagnosis of Alzheimer-Type Dementia
Naoki KODAMA Tetsuo SHIMADA Yoshio KOBAYASHI Kei HIWATASHI Isao HIYOSHI Makoto SHIBUKAWA Yasuhiro KAWASE Ichiro FUKUMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/03/01
Vol. E85-D  No. 3  pp. 592-596
Type of Manuscript:  LETTER
Category: Medical Engineering
Keyword: 
MRIDAT diagnosishippocampusventriclecorpus callosum
 Summary | Full Text:PDF(117.4KB)

Development of a Millimeter-Wave Coaxial Cable Measurement System at Cryogenic Temperature and Measurement of the Surface Resistance of High-Tc Superconductor Films
Toru HASHIMOTO Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 720-724
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductive Electronics)
Category: Microwave Devices and Systems
Keyword: 
millimeter wavecryogenic temperaturessurface resistancehigh-Tc superconductor
 Summary | Full Text:PDF(693.4KB)

A Low-Loss 5 GHz Bandpass Filter Using HTS Quarter-Wavelength Coplanar Waveguide Resonators
Hideyuki SUZUKI Zhewang MA Yoshio KOBAYASHI Kei SATOH Shoichi NARAHASHI Toshio NOJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 714-719
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductive Electronics)
Category: Microwave Devices and Systems
Keyword: 
superconductorcoplanar waveguidequarter-wavelength resonatorband-pass filtermicrowave
 Summary | Full Text:PDF(739.2KB)

Analysis of Dielectric Resonators Using the FDTD Method Combined with the Pade Interpolation Technique
Zhewang MA Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/07/01
Vol. E84-C  No. 7  pp. 973-976
Type of Manuscript:  Special Section LETTER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--)
Category: 
Keyword: 
dielectric resonatorFDTD methodPade approximationinterpolation method
 Summary | Full Text:PDF(4.3MB)

264 MHz HTS Lumped Element Bandpass Filter
Kenshi SAITO Nobuyoshi SAKAKIBARA Yoshiki UENO Yoshio KOBAYASHI Daisuke YAMAGUCHI Kei SATO Tetsuya MIMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/01/25
Vol. E83-C  No. 1  pp. 15-19
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductive Devices and Systems)
Category: Microwave Devices
Keyword: 
high-temperature superconductormicrostrip linelumped element circuitbandpass filter
 Summary | Full Text:PDF(949.8KB)

Performance of the Modified PML Absorbing Boundary Condition for Propagating and Evanescent Waves in Three-Dimensional Structures
Zhewang MA Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/12/25
Vol. E81-C  No. 12  pp. 1892-1897
Type of Manuscript:  Special Section LETTER (Special Issue on Computational Electromagnetics)
Category: 
Keyword: 
FDTD methodabsorbing boundary conditionperfectly matched layer (PML)modified PMLevanescent waves
 Summary | Full Text:PDF(492.8KB)

Phenomenological Description of Microwave Characteristics of Low-Tc Superconductor by Three-Fluid Model
Yoshio KOBAYASHI Hiromichi YOSHIKAWA Seiichiro ONO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/10/25
Vol. E80-C  No. 10  pp. 1269-1274
Type of Manuscript:  Special Section PAPER (Special Issue on Basic Properties and Applications of Superconductive Electron Devices)
Category: 
Keyword: 
low-Tc superconductorsmicrowavesurface impedanceconductivity
 Summary | Full Text:PDF(398.9KB)

FOREWORD
Yoshio KOBAYASHI Toshio NOJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/05/25
Vol. E79-C  No. 5  pp. 599-599
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(121KB)

Phenomenological Description of Temperature and Frequency Dependence of Surface Resistance of High-Tc Superconductors by Improved Three-Fluid Model
Tadashi IMAI Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/05/25
Vol. E78-C  No. 5  pp. 498-502
Type of Manuscript:  Special Section PAPER (Special Issue on Superconducting Electronics and Its Applications)
Category: Microwave devices
Keyword: 
high-Tc superconductorimproved three-fluid modelsurface resistancematerial qualityfrequency dependence
 Summary | Full Text:PDF(378KB)

FOREWORD
Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/06/25
Vol. E77-C  No. 6  pp. 881-881
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(78.8KB)

Precise Measurement for Temperature Dependence of Dielectric Rod Materials Using an Image-Type Resonator Method
Yoshinori KOGAMI Yoshio KOBAYASHI Masayuki KATOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/06/25
Vol. E77-C  No. 6  pp. 888-893
Type of Manuscript:  Special Section PAPER (Special Issue on Measurement Techniques for Microwave/Millimeter Wave)
Category: 
Keyword: 
dielectric rod resonatordielectric materialtemperature dependencemeasurement
 Summary | Full Text:PDF(488.3KB)

Round Robin Test on a Dielectric Resonator Method for Measuring Complex Permittivity at Microwave Frequency
Yoshio KOBAYASHI Hiroshi TAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/06/25
Vol. E77-C  No. 6  pp. 882-887
Type of Manuscript:  INVITED PAPER (Special Issue on Measurement Techniques for Microwave/Millimeter Wave)
Category: 
Keyword: 
dielectric resonatormeasurement methoddielectric resonator methoddielectric propertyround robin testmicrowave frequency
 Summary | Full Text:PDF(469.5KB)

Microwave Characteristics of High-Tc Superconductors by Improved Three-Fluid Model
Tadashi IMAI Takaaki SAKAKIBARA Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/08/25
Vol. E76-C  No. 8  pp. 1275-1279
Type of Manuscript:  Special Section PAPER (Special Issue on High-Temperature Superconducting Electronics)
Category: 
Keyword: 
high-Tc superconductormicrowavedielectric resonatorcomplex conductivitymomentum relaxation timeimproved three-fluid model
 Summary | Full Text:PDF(393KB)

FOREWORD
Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/08/25
Vol. E75-C  No. 8  pp. 875-875
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(81.8KB)

Design of a Low-Loss Bandpass Filter Using Dielectric Rod Resonators Loaded in a High-Tc Superconductor Cylinder
Yoshinori KOGAMI Yoshio KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/08/25
Vol. E75-C  No. 8  pp. 900-905
Type of Manuscript:  Special Section PAPER (Special Issue on Cryogenic Microwave Devices)
Category: Passive Devices
Keyword: 
high-Tc superconductorbandpass filterdielectric resonator
 Summary | Full Text:PDF(389KB)

Phenomenological Description of Conduction Mechanism of High-Tc Superconductors by Three-Fluid Model
Yoshio KOBAYASHI Tadashi IMAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/07/25
Vol. E74-C  No. 7  pp. 1986-1992
Type of Manuscript:  Special Section PAPER (Special Issue on Low Temperature Electronics)
Category: 
Keyword: 
 Summary | Full Text:PDF(473.5KB)

Microwave Measurement of Low Temperature Dependence of Complex Permittivity For MgO and SrTiO3 Substrates
Yoshio KOBAYASHI Junya SATO Katsumi YAJIMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/04/25
Vol. E72-E  No. 4  pp. 290-292
Type of Manuscript:  Special Section LETTER (Special Issue on 1989 Spring National Convention IEICE)
Category: Superconductivity Electronics
Keyword: 
 Summary | Full Text:PDF(118.1KB)

Dielectric Rod Resonators Having High Values of Unloaded Q
Yoshio KOBAYASHI Yukimasa KABE 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 335-337
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Microwave Circuits
Keyword: 
 Summary | Full Text:PDF(159.4KB)