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IEICE Trans

Masaya TAMURA

Design of the Class-Φ2 Inverter Considering the Duty Cycle of the Drain-Source Voltage Waveform
Shoya TOYA Kitaru HARA Masaya TAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2026/10/01
Vol. E109-C  No. 10  pp. 423-431
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
class-Φ2 inverter, duty cycle, wireless power transfer, zero-voltage switching, 
 Summary | Full Text:PDF
Design of a Decoupling Network Utilizing Antennas as Resonators
Kenjiro MATSUMOTO Maodudul HASAN Hiromasa SAEKI Kenji KATSUMURA Masaya TAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2025/10/01
Vol. E108-C  No. 10  pp. 479-487
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
decoupling-matching network, multiple-input-multiple-output (MIMO), self-interference cancellation (SIC), transmission zeros (TZs), 
 Summary | Full Text:PDF
Design Procedures of Decoupling Circuit Utilizing Coupling between Antennas
Zhi Earn TAN Kenjiro MATSUMOTO Masaya TAKAGI Hiromasa SAEKI Masaya TAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2025/03/01
Vol. E108-C  No. 3  pp. 127-138
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
decoupling-matching network, In-Band Full-Dulpex (IBFD), Self-Interference Cancellation (SIC), Multiple-Input-Multiple-Output (MIMO), Band-Stop Filter (BSF), Coupling Matrix Synthesis (CMS), 
 Summary | Full Text:PDF
Load-Independent Class-E Design with Load Adjustment Circuit Inverter Considering External Quality Factor
Akihiko ISHIWATA Yasumasa NAKA Masaya TAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2024/10/01
Vol. E107-C  No. 10  pp. 315-322
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
class-E inverter, resonant filter, external quality factor, wireless power transmission, 
 Summary | Full Text:PDF
Design of a Capacitive Coupler for Underwater Wireless Power Transfer Focused on the Landing Direction of a Drone
Yasumasa NAKA Masaya TAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2024/03/01
Vol. E107-C  No. 3  pp. 66-75
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
coupler, Q factor, underwater technology, wireless power transmission, 
 Summary | Full Text:PDF
Capacitive Wireless Power Transfer System with Misalignment Tolerance in Flowing Freshwater Environments
Yasumasa NAKA Akihiko ISHIWATA Masaya TAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2024/02/01
Vol. E107-C  No. 2  pp. 47-56
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
electromagnetic coupling, resonant inverters, underwater technology, wireless power transmission, 
 Summary | Full Text:PDF
Class-E Synchronous RF Rectifier: Circuit Formulation, Geodesic Trajectory, Time-Domain Simulation, and Prototype Experiment
Ryoya HONDA Minoru MIZUTANI Masaya TAMURA Takashi OHIRA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2023/11/01
Vol. E106-C  No. 11  pp. 698-706
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
wireless power transfer, class-E rectifier, linear algebra, impedance plane, Smith chart, hyperbolic geometry, 
 Summary | Full Text:PDF
Coupler Design and Analysis of Capacitive Wireless Power Charging for Implantable Medical Devices
Marimo MATSUMOTO Masaya TAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2022/09/01
Vol. E105-C  No. 9  pp. 398-406
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
implantable medical device, wireless power transfer, wireless charging, capacitive coupling, 
 Summary | Full Text:PDF
Design Method for Differential Rectifier Circuit Capable of Rapidly Charging Storage Capacitor
Daiki FUJII Masaya TAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2021/07/01
Vol. E104-C  No. 7  pp. 355-362
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
rectifiers, impedance matching, wireless sensor networks, wireless power transmission, power supplies, 
 Summary | Full Text:PDF
Feasibility of Electric Double-Layer Coupler for Wireless Power Transfer under Seawater
Masaya TAMURA Kousuke MURAI Hiroaki MATSUKAMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2020/06/01
Vol. E103-C  No. 6  pp. 308-316
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
wireless power transmission, underwater technology, Q factor, coupler, coupling circuit, 
 Summary | Full Text:PDF
Design of Capacitive Coupler in Underwater Wireless Power Transfer Focusing on kQ Product
Masaya TAMURA Yasumasa NAKA Kousuke MURAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2018/10/01
Vol. E101-C  No. 10  pp. 759-766
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
wireless power transmission, underwater technology, Q factor, coupler, coupling circuit, 
 Summary | Full Text:PDF
Design and Analysis of Multi-Mode Stripline Resonator and Its Application to Bandpass Filter
Masaya TAMURA Shosei TOMIDA Kento ICHINOSE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2018/03/01
Vol. E101-C  No. 3  pp. 151-160
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
multimode resonator, stripline resonator, bandpass filter, narrow bandpass filter, 
 Summary | Full Text:PDF
Cavity Resonator Wireless Power Transfer in an Enclosed Space with Scatterers Utilizing Metal Mesh
Ippei TAKANO Daigo FURUSU Yosuke WATANABE Masaya TAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2017/10/01
Vol. E100-C  No. 10  pp. 841-849
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
wireless power transfer, cavity resonator, wireless harness, enclosed space, NLOS, frequency selective surface, 
 Summary | Full Text:PDF
Improvement in Efficiency of Underwater Wireless Power Transfer with Electric Coupling
Yasumasa NAKA Kyohei YAMAMOTO Takuma NAKATA Masaya TAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2017/10/01
Vol. E100-C  No. 10  pp. 850-857
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
underwater wireless power transfer, electric coupling, maximum available efficiency, kQ product, dielectric loss, 
 Summary | Full Text:PDF
Approach of Metamaterial-Based Quarter-Wave Resonator and Its Application to Very Compact LTCC Bandpass Filter
Masaya TAMURA Toshio ISHIZAKI Mohammed Reza M. HASHEMI Tatsuo ITOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 1078-1088
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
metamaterial, CRLH-TL, quarter-wave, resonator, negative-order, LTCC, bandpass filter, 
 Summary | Full Text:PDF