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Paper Abstract and Keywords
Presentation 2026-07-09 16:50
Efficiency Enhancement of Wireless Power Transfer Using a Metal-Patch Artificial Dielectric Lens
Tamami Maruyama, Haruki Abe (Hiroshima Institute of Technology), Ikuo Awai (Mt. Fuji GX Holdings Inc.) EMT2026-30 MW2026-53 OPE2026-36 EST2026-34 MWPTHz2026-45
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, various lens structures have been investigated to improve the efficiency of wireless power transfer (WPT) systems by controlling electromagnetic wave propagation. In this study, a planar lens composed of metallic patches is designed and applied to a radiative WPT system. The proposed lens aims to enhance power transfer efficiency between transmitting and receiving antennas through phase manipulation while maintaining a planar configuration. Electromagnetic simulations are conducted to design the metallic patch lens and to evaluate the effects of lens dimensions and placement conditions on transmission characteristics. Electric-field distributions, phase distributions, and transmission coefficients are analyzed to clarify the electromagnetic focusing effect and the mechanism of efficiency enhancement. The results indicate that the proposed lens improves the coupling characteristics between the transmitting and receiving antennas, demonstrating the potential for improving WPT efficiency. This study provides fundamental insights into the design of planar lenses for high-efficiency radiative wireless power transfer systems.
Keyword (in Japanese) (See Japanese page) 
(in English) Radiative WPT / Patch Antenna / Planar Dielectric Lens / Wireless Power Transfer / Artificial Dielectric Lens / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 97, MW2026-53, pp. 143-146, July 2026.
Paper # MW2026-53 
Date of Issue 2026-07-02 (EMT, MW, OPE, EST, MWPTHz) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EMT2026-30 MW2026-53 OPE2026-36 EST2026-34 MWPTHz2026-45

Conference Information
Committee OPE EST MWPTHz MW EMT IEE-EMT  
Conference Date 2026-07-09 - 2026-07-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Kushiro Chamber of Commerce and Industry 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Workshop on Optical and Microwave technologies 
Paper Information
Registration To MW 
Conference Code 2026-07-OPE-EST-MWPTHz-MW-EMT-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Efficiency Enhancement of Wireless Power Transfer Using a Metal-Patch Artificial Dielectric Lens 
Sub Title (in English)  
Keyword(1) Radiative WPT  
Keyword(2) Patch Antenna  
Keyword(3) Planar Dielectric Lens  
Keyword(4) Wireless Power Transfer  
Keyword(5) Artificial Dielectric Lens  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Tamami Maruyama  
1st Author's Affiliation Hiroshima Institute of Technology (Hiroshima Institute of Technology)
2nd Author's Name Haruki Abe  
2nd Author's Affiliation Hiroshima Institute of Technology (Hiroshima Institute of Technology)
3rd Author's Name Ikuo Awai  
3rd Author's Affiliation Mt. Fuji GX Holdings Inc. (Mt. Fuji GX Holdings Inc.)
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Speaker Author-1 
Date Time 2026-07-09 16:50:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # EMT2026-30, MW2026-53, OPE2026-36, EST2026-34, MWPTHz2026-45 
Volume (vol) vol.126 
Number (no) no.96(EMT), no.97(MW), no.98(OPE), no.99(EST), no.100(MWPTHz) 
Page pp.143-146 
#Pages 4 
Date of Issue 2026-07-02 (EMT, MW, OPE, EST, MWPTHz) 

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