Hiroshi ISHIKAWA


Walking Route Recommender for Supporting a Walk as Health Promotion
Yasufumi TAKAMA Wataru SASAKI Takafumi OKUMURA Chi-Chih YU Lieu-Hen CHEN Hiroshi ISHIKAWA 
Publication:   
Publication Date: 2017/04/01
Vol. E100-D  No. 4  pp. 671-681
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
route recommendationhealth promotionsmartphonenavigation interfaceagent simulation
 Summary | Full Text:PDF(2.2MB)

A Novel Optoelectronic Serial-to-Parallel Converter for 25-Gbps 32-bit Optical Label Processing
Salah IBRAHIM Hiroshi ISHIKAWA Tatsushi NAKAHARA Yasumasa SUZAKI Ryo TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/07/01
Vol. E97-C  No. 7  pp. 773-780
Type of Manuscript:  Special Section PAPER (Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
optical packet switchingoptical packet processingserial-to-parallel converteroptoelectronic integrated circuit
 Summary | Full Text:PDF(4.3MB)

Built-In Microplanar Lens for Light Coupling to Two-Dimensional Photonic Crystal Waveguide
Naoki IKEDA Yu TANAKA Hitoshi KAWASHIMA Yoshimasa SUGIMOTO Toshifumi HASAMA Kiyoshi ASAKAWA Hiroshi ISHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/02/01
Vol. E95-C  No. 2  pp. 243-246
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
integrated opticsphotonic crystalswaveguides
 Summary | Full Text:PDF(272.9KB)

All-Optical Demultiplexing from 160 to 40/80 Gb/s Using Mach-Zehnder Switches Based on Intersubband Transition of InGaAs/AlAsSb Coupled Double Quantum Wells
Ryoichi AKIMOTO Guangwei CONG Masanori NAGASE Teruo MOZUME Hidemi TSUCHIDA Toshifumi HASAMA Hiroshi ISHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/02/01
Vol. E92-C  No. 2  pp. 187-193
Type of Manuscript:  INVITED PAPER (Special Section on Recent Advances in Integrated Photonic Devices)
Category: 
Keyword: 
intersubband transitioncoupled double quantum wellcross-phase modulationMach-Zehnder interferometerall-optical demultiplexing
 Summary | Full Text:PDF(795.8KB)

Impact of Intrinsic Parasitic Extraction Errors on Timing and Noise Estimation
Toshiki KANAMOTO Shigekiyo AKUTSU Tamiyo NAKABAYASHI Takahiro ICHINOMIYA Koutaro HACHIYA Atsushi KUROKAWA Hiroshi ISHIKAWA Sakae MUROMOTO Hiroyuki KOBAYASHI Masanori HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/12/01
Vol. E89-A  No. 12  pp. 3666-3670
Type of Manuscript:  Special Section LETTER (Special Section on VLSI Design and CAD Algorithms)
Category: Interconnect
Keyword: 
interconnectdelay variationparasitic capacitanceSoC
 Summary | Full Text:PDF(433.5KB)

Single Photonic-Crystal Defect Switch for All-Optical Ultrafast Operation Using Two Photon Absorption
Kyozo KANAMOTO Sheng LAN Naoki IKEDA Yu TANAKA Yoshimasa SUGIMOTO Kiyoshi ASAKAWA Hiroshi ISHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/07/01
Vol. E87-C  No. 7  pp. 1142-1147
Type of Manuscript:  Special Section PAPER (Special Section on Ultrafast Photonics)
Category: 
Keyword: 
photonic-crystalall optical switchoptical nonlinearityultrashort optical pulsetwo-photon absorption
 Summary | Full Text:PDF(1.6MB)

Ultrafast All-Optical Switching and Modulation Using Intersubband Transitions in Coupled Quantum Well Structures
Haruhiko YOSHIDA Takasi SIMOYAMA Achanta Venu GOPAL Jun-ichi KASAI Teruo MOZUME Hiroshi ISHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/07/01
Vol. E87-C  No. 7  pp. 1134-1141
Type of Manuscript:  INVITED PAPER (Special Section on Ultrafast Photonics)
Category: 
Keyword: 
intersubband transitionall-opticalcoupled quantum welloptical communicationSb
 Summary | Full Text:PDF(335.6KB)

FOREWORD
Hiroshi ISHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/07/01
Vol. E87-C  No. 7  pp. 1089-1089
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(47.7KB)

Two Dimensional Semiconductor-Based Photonic Crystal Slab Waveguides for Ultra-Fast Optical Signal Processing Devices
Yoshimasa SUGIMOTO Yu TANAKA Naoki IKEDA Kyozo KANAMOTO Yusui NAKAMURA Shunsuke OHKOUCHI Hitoshi NAKAMURA Kuon INOUE Hidekazu SASAKI Yoshinori WATANABE Koji ISHIDA Hiroshi ISHIKAWA Kiyoshi ASAKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/03/01
Vol. E87-C  No. 3  pp. 316-327
Type of Manuscript:  INVITED PAPER (Special Section on Photonic Crystals and Their Device Applications)
Category: 
Keyword: 
photonic crystalphotonic band gapslab waveguidephotonic IC
 Summary | Full Text:PDF(2.7MB)

Engineering Photonic Crystal Impurity Bands for Waveguides, All-Optical Switches and Optical Delay Lines
Sheng LAN Satoshi NISHIKAWA Hiroshi ISHIKAWA Osamu WADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/01/01
Vol. E85-C  No. 1  pp. 181-189
Type of Manuscript:  Special Section PAPER (Special Issue on Ultrafast Optical Signal Processing and Its Application)
Category: 
Keyword: 
photonic band gapdefects and impurity bandscoupled cavity waveguidesall-optical switchesoptical delay lines
 Summary | Full Text:PDF(1.5MB)

A Decentralized XML Database Approach to Electronic Commerce
Hiroshi ISHIKAWA Manabu OHTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/10/01
Vol. E84-D  No. 10  pp. 1302-1312
Type of Manuscript:  Special Section PAPER (IEICE/IEEE Joint Special Issue on Autonomous Decentralized Systems and Systems' Assurance)
Category: Electronic Commerce
Keyword: 
decentralized databasequery languagequery processingelectronic commerce (EC)XML
 Summary | Full Text:PDF(596.8KB)

The Design and Implementation of an Interoperable Database System Based on Scripts and Active Objects
Hiroshi ISHIKAWA Kazumi KUBOTA Koki KATO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/11/25
Vol. E78-D  No. 11  pp. 1396-1406
Type of Manuscript:  Special Section PAPER (Special Issue on Advanced Database Technologies)
Category: Interoperability
Keyword: 
multidatabasesdatabase systemsdata modelsimplementationinteroperability
 Summary | Full Text:PDF(1MB)

A Next-Generation Database System for Advanced Multimedia Applications
Hiroshi ISHIKAWA Koki KATO Miyuki ONO Naomi YOSHIZAWA Kazumi KUBOTA Akiko KONDO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/07/25
Vol. E78-B  No. 7  pp. 952-962
Type of Manuscript:  Special Section PAPER (Special Issue on Multimedia Computer Networks)
Category: 
Keyword: 
multimediadatabasesdata modelsimplementationapplications
 Summary | Full Text:PDF(1MB)