TM

Toshiaki Matsumoto

MI Minolta: 12 patents #156 of 1,109Top 15%
KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
UN Unitika: 1 patents #257 of 620Top 45%
SO Sony: 1 patents #17,262 of 25,231Top 70%
HC Hitachi Building Systems Co.: 1 patents #12 of 53Top 25%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
HO Hochiki: 1 patents #97 of 161Top 65%
Overall (All Time): #190,927 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12428265 Inspection device and inspection method for elevating machine Masaru Kawasaki, Yanzhou Song 2025-09-30
8405100 Organic EL display unit, method of manufacturing the same, and solution used in method Tomoyuki Higo, Tadahiko Yoshinaga, Toshiaki Imai 2013-03-26
7342953 Synchronization detection circuit 2008-03-11
6166402 Pressure-contact type semiconductor element and power converter thereof Kazuya Kodani, Masayuki Tobita 2000-12-26
5915494 Power train arrangement structure for vehicles Kouji Matsumura, Tsuneki Wakamatsu, Mikio Ohashi, Junichi Harada, Atsumasa Matsui 1999-06-29
5727634 Fire detecting/extinguishing apparatus and water discharging nozzle therefor Hiroshi Ishida, Akira Asoma, Shuji Matsumoto, Teruo Iwata, Hiroyuki Shibuya +3 more 1998-03-17
5675466 Assembly structure of self-turn-off switching device and snubber circuit therefor Kenji Kijima 1997-10-07
5182252 Film for a thermal transfer ink ribbon Tsugio Nagasawa, Tadashi Shuto, Hideo Sakuraya, Shoji Nishimoto 1993-01-26
5099263 Variable focal length camera Takeo Hoda, Yoshiaki Hata, Masatoshi Kamitani, Norihiro Inoue 1992-03-24
4771303 Variable focal length camera Takeo Hoda, Yoshiaki Hata, Masatoshi Kamitani, Norihiro Inoue 1988-09-13
4747450 Method for producing heat sink and heat sink thus produced Hiroo Ikegame, Shigeo Nonaka, Takuro Ito 1988-05-31
4614417 Camera Yoshiaki Hata, Shinji Tominaga, Koji Yamamoto, Maki Yamashita, Yoshihiro Tanaka 1986-09-30
4583158 High voltage thyristor valve Hiroo Ikekame 1986-04-15
4540261 Film transporting device for use in a camera Nobuyuki Taniguchi 1985-09-10
4477162 Cameras with a film loading device for facilitating film loading 1984-10-16
4477163 Film Transporting device for use in a camera Nobuyuki Taniguchi 1984-10-16
4422743 Exposure system for a camera Tatsuro Izumi, Nobuyuki Taniguchi, Masatake Niwa, Tokuji Ishida, Masatoshi Itoh 1983-12-27
4417793 Camera capable of functioning in accordance with informations received from a roll of film Shigeru Oyokota, Nobuyuki Taniguchi, Takeo Hoda, Junichi Tanii, Kiyoshi Seigenji 1983-11-29
4354751 Exposure system for a camera Tatsuro Izumi, Nobuyuki Taniguchi, Masatake Niwa, Tokuji Ishida, Masatoshi Itoh 1982-10-19
4344680 Photographic devices for controlling flash photography Tokuji Ishida, Nobuyuki Taniguchi, Masatoshi Itoh, Tatsuro Izumi, Masatake Niwa 1982-08-17
4327979 Data recording device for cameras Shinji Tominaga 1982-05-04
4297015 Camera automatic focus apparatus Keisuke Maeda 1981-10-27