MM

Masashi Maruyama

RT Renesas Technology: 7 patents #409 of 3,337Top 15%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
WG W.L. Gore & Associates Gmbh: 3 patents #328 of 1,175Top 30%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
MC Murata Manufacturing Co.: 2 patents #2,631 of 5,295Top 50%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
SC Showa Denko Materials Co.: 1 patents #135 of 270Top 50%
TK Trio Kabushiki Kaisha: 1 patents #22 of 70Top 35%
JL Japan Aviation Electronics Industry, Limited: 1 patents #440 of 728Top 65%
AC Akita Electronics Systems Co.: 1 patents #3 of 36Top 9%
HS Hitachi Tohbu Semiconductor: 1 patents #126 of 223Top 60%
HC Hitachi Ulsi Systems Co.: 1 patents #577 of 867Top 70%
AC Akita Electronics Co.: 1 patents #42 of 68Top 65%
Overall (All Time): #188,655 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12244276 Power amplifier circuit Naofumi TAKEZONO 2025-03-04
10898878 Adsorbent material Nanae YAMASHITA, Yuzuru Shimazaki, Hiroshi Yoshida, Keisuke Shibuya 2021-01-26
10158124 Fuel cell electrode catalyst and method for activating catalyst Tomoyuki Kawaguchi, Atsushi Sakamoto 2018-12-18
10109878 Electrolyte film for fuel cell Yoshikazu Yano, Takeyuki Suzuki, Tomoyuki Takane 2018-10-23
9825307 Anode-side catalyst composition for fuel cells, and membrane electrode assembly (MEA) for solid polymer fuel cells which comprises same Atsushi Sakamoto, Tomoyuki Kawaguchi, Takuya Kosaka 2017-11-21
9402314 Semiconductor module 2016-07-26
8564366 High-frequency power amplifier device Hisanori Namie 2013-10-22
8464576 Engine oil degradation-estimating device and device for estimating antioxidant performance of engine oil Yosuke Okuyama, Koichiro Aikawa, Wataru Hoshikawa 2013-06-18
7275874 Optical connector for connecting optical fibers to one another Jun Takeda, Akihiro Onogawa, Yuichi Koreeda, Haruyuki Koshimizu, Kiyoyuki Mutaguchi +2 more 2007-10-02
7262480 Semiconductor device, and method and apparatus for manufacturing semiconductor device Toshihiko Kyogoku, Tadashi Kodu, Kiyoharu Mochiduki, Sakae Kikuchi, Akio Ishidu +3 more 2007-08-28
7224228 Semiconductor integrated circuit for high frequency power amplifier, electronic component for high frequency power amplifier, and radio communication system Kyoichi Takahashi, Shinji Yamada 2007-05-29
7113034 High frequency power amplifier and wireless communication module Satoshi Arai, Tsuyoshi Shibuya, Hitoshi Sekiguchi, Nobuhiro Matsudaira, Tomio Furuya +1 more 2006-09-26
7064612 High frequency power amplification electric part and wireless communication system Hitoshi Akamine, Seikou Ono 2006-06-20
7034617 Semiconductor integrated circuit for high frequency power amplifier, electronic component for high frequency power amplifier, and radio communication system Kyoichi Takahashi, Shinji Yamada 2006-04-25
6914480 High frequency power amplifier and wireless communication module Satoshi Arai, Tsuyoshi Shibuya, Hitoshi Sekiguchi, Nobuhiro Matsudaira, Tomio Furuya +1 more 2005-07-05
6900694 High frequency power amplifier module and wireless communication apparatus Masashi Suzuki, Hitoshi Akamine, Tetsuaki Adachi, Takahiro Sato, Susumu Takada 2005-05-31
6753735 High frequency power amplifier and wireless communication module Satoshi Arai, Tsuyoshi Shibuya, Hitoshi Sekiguchi, Nobuhiro Matsudaira, Tomio Furuya +1 more 2004-06-22
6741125 High frequency power amplifier and wireless communication module Satoshi Arai, Tsuyoshi Shibuya, Hitoshi Sekiguchi, Nobuhiro Matsudaira, Tomio Furuya +1 more 2004-05-25
6731167 High frequency power amplifier module and wireless communication apparatus Masashi Suzuki, Hitoshi Akamine, Tetsuaki Adachi, Takahiro Sato, Susumu Takada 2004-05-04
6644260 Intake manifold Tsutomu Tsukii, Yoshihiro Akiyama 2003-11-11
6329879 High frequency power amplifier system and wireless communication system Hitoshi Akamine, Tsutomu Kobori, Shinji Moriyama 2001-12-11
4413703 Bass-reflex type speaker system Harumitsu Kato, Hironori Yamada, Kaoru Yamazaki, Takashi Ogasawara 1983-11-08