OM

Osamu Matsumura

CC Citizen Watch Co.: 5 patents #213 of 1,225Top 20%
SO Sony: 2 patents #12,963 of 25,231Top 55%
MI Morikawa Industries: 1 patents #8 of 19Top 45%
📍 Chofu, JP: #66 of 517 inventorsTop 15%
Overall (All Time): #468,701 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
7479105 Penile erection control method and penile erection control device 2009-01-20
5581360 Methods and systems for dubbing a variable-length encoded digital video signal on a record medium Keiji Kanota, Hajime Inoue, Naofumi Yanagihara 1996-12-03
5565070 Solvent vapor sucking method and solvent recovering apparatus Akira Doi, Hiroshi Obinata, Yoshikazu Takano 1996-10-15
5510903 Digital video tape recorder 1996-04-23
5152271 Fuel injection apparatus 1992-10-06
4646158 Liquid crystal television receiver Hideshi Ohno, Akira Tsuzuki, Toshiaki Oguchi, Shigeru Futami, Masaru Yoshida +7 more 1987-02-24
4627403 Fuel injection apparatus 1986-12-09
4391534 Glass mounting structure for watches Masataka Matsumoto 1983-07-05
4276629 Solar battery timepiece Yutaka Kato, Tsunetoshi Sekiguchi, Ryo Namiki 1981-06-30
4234948 Watchglass fixing structure Yasuo Maekawa, Tsunetoshi Sekiguchi, Masahiko Waki, Hiroshi Koide, Kisuke Watanabe +1 more 1980-11-18
4217752 Fixing structure of back cover for watch 1980-08-19