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IEICE Trans

Yasumasa NAKA

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
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
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