HM

Hirokazu Matsui

Nintendo Co.: 22 patents #55 of 1,476Top 4%
SC Sumitomo Chemical: 6 patents #802 of 4,033Top 20%
HA Hitachi Astemo: 5 patents #131 of 1,276Top 15%
HS Hitachi Automotive Systems: 4 patents #412 of 1,636Top 30%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
KU Kureha: 2 patents #126 of 354Top 40%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
MM Mitsubishi Motors: 1 patents #856 of 1,823Top 50%
📍 Hitachinaka, JP: #53 of 2,447 inventorsTop 3%
Overall (All Time): #47,114 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #TitleCo-InventorsDate
12401301 Drive apparatus of synchronous motor and method for driving synchronous motor Hiroaki Sato, Toshisada Mitsui, Kohei Myoen 2025-08-26
12170497 Inverter control device and electric vehicle system Toshiyuki Ajima, Takafumi Hara, Akihiro Ashida, Kiyoshi Kuroda 2024-12-17
11984821 Inverter control device Toshiyuki Ajima, Takafumi Hara, Akihiro Ashida 2024-05-14
11831265 Motor control device Midori Takaoka, Takafumi Hara, Shigehisa Aoyagi, Shigeyuki Nonomura 2023-11-28
11646690 Motor control device and electric vehicle system Takafumi Hara, Midori Takaoka, Toshiyuki Ajima, Akihiro Ashida 2023-05-09
11001148 Motor control device Atsushi Komuro, Kohei Myoen 2021-05-11
10987895 Roof member or ceiling member, and construction Tomoo Hirota 2021-04-27
10982432 Exterior wall member and construction Tomoo Hirota 2021-04-20
10355630 Inverter control device Hiroshi Tamura, Hiroyuki Yamada, Shigeyuki Nonomura 2019-07-16
10254473 Light-emitting panel 2019-04-09
9932459 Resin composition for sliding member Hidehiro KOTAKA, Mitsuo Maeda 2018-04-03
9625645 Large area light source 2017-04-18
9490741 Motor control device Hiroyuki Yamada 2016-11-08
8985667 Rear structure of vehicle Kosuke Yoshimura, Masahiro Yoshida, Tsunehisa Nagayoshi, Tomoo Yasuda, Norihiko Yoshimine +2 more 2015-03-24
8808596 Process of making polyglycolic acid resin filament Satoshi Hashimoto, Kazuyuki Yamane, Juichi Wakabayashi 2014-08-19
8641924 Liquid crystal polyester resin composition Satoshi Sekimura, Hiroshi Harada 2014-02-04
8530576 Thermoplastic resin composition and molded article thereof Hiroshi Harada 2013-09-10
8471507 Electric power conversion system and electric power conversion device Yoshio Akaishi, Yasuo Noto, Koichi Yahata 2013-06-25
8282262 Light guiding panel assembly for display, signboard, surface illumination or the like 2012-10-09
8232756 Motor control apparatus Shigeyuki Yoshihara, Kohei Myoen, Toshisada Mitsui 2012-07-31
8226851 Liquid-crystalline polymer composition containing nanostructured hollow-carbon material and molded article thereof Hiroshi Harada 2012-07-24
7883252 Display device Shinzo Murase 2011-02-08
7759888 AC motor controller Takefumi Sawada, Shigeyuki Yoshihara 2010-07-20
7597957 Modified polyvinylidenefluoride resin monofilament and method for manufacturing thereof Hiroshi Ochiai, Masaru Satou, Satoshi Hashimoto, Toshiya Mizuno 2009-10-06
D579015 Controller for electronic game machine Kenichiro Ashida, Masato Ibuki, Shinji Yamamoto, Akiko Suga 2008-10-21