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Featured researches published by Naoyuki Mishima.


international telecommunications energy conference | 2009

Transient current circuit for switching loss reduction in buck converters

Shinya Hiromitsu; Mariko Ogawa; Seiya Abe; Masahito Shoyama; Yu Yonezawa; Naoyuki Mishima

In this paper, a transient current circuit is introduced. The circuit evidently reduces switching loss of buck converter main switch dramatically. This topology enables to operate high-frequency. The validity of the transient current circuit is verified through simulations and experiments.


Archive | 2004

Elastic boundary wave device and method of manufacturing the same

Naoyuki Mishima; Michio Miura


Archive | 2004

Surface acoustic wave device, package for the device, and method of fabricating the device

Shingo Masuko; Naoyuki Mishima; Masao Irikura


Journal of the Acoustical Society of America | 2006

Surface acoustic wave device and method of fabricating the same

Naoyuki Mishima


Archive | 2004

Junction board, surface acoustic wave element, and surface acoustic wave device

Shunichi Aikawa; Toru Kamimura; Naoyuki Mishima; Michio Miura; Masanori Ueda; Kazuhisa Wada; 直之 三島; 道雄 三浦; 亨 上村; 政則 上田; 一久 和田; 俊一 相川


Archive | 2003

Elastic boundary wave device and manufacturing method thereof

Naoyuki Mishima; Michio Miura; 直之 三島; 道雄 三浦


Archive | 2008

Drive control method and unit for micro machine device

Naoyuki Mishima; Yu Yonezawa; Takeaki Shimanouchi; Xiaoyu Mi; Takeshi Takano; Nobuhisa Aoki; Yuuta Nakaya


Archive | 2007

Micro-switching device

Anh Tuan Nguyen; Tadashi Nakatani; Satoshi Ueda; Yu Yonezawa; Naoyuki Mishima


Archive | 2005

Bonded substrate, surface acoustic wave chip, and surface acoustic wave device

Michio Miura; Masanori Ueda; Shunichi Aikawa; Toru Uemura; Kunihisa Wada; Naoyuki Mishima


Archive | 2010

SWITCHING POWER SUPPLY, CONTROL CIRCUIT CONTROLLING SWITCHING POWER SUPPLY AND CONTROL METHOD OF SWITCHING POWER SUPPLY

Yu Yonezawa; Naoyuki Mishima

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