OK

Osamu Koizumi

HI Hitachi: 51 patents #272 of 28,497Top 1%
HC Hitachi Car Engineering Co.: 29 patents #5 of 465Top 2%
SO Sony: 22 patents #1,822 of 25,231Top 8%
TL Tokyo Electron Limited: 13 patents #516 of 5,567Top 10%
3M: 2 patents #5,326 of 11,543Top 50%
HC Hitachi Automotive Engineering Co.: 1 patents #156 of 314Top 50%
Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
AM Asahi Kasei Microdevices: 1 patents #116 of 231Top 55%
Overall (All Time): #18,455 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 76–89 of 89 patents

Patent #TitleCo-InventorsDate
5097374 Tape cassette having tapered guide pins press-fitted into cassette wall and grease lubricant for rollers Kengo Saito, Kazuo Sasaki, Masayuki Itabashi 1992-03-17
5082273 Slip storing apparatus Kazuji Matsumoto, Mitsuo Uchimura, Tsugio Shiozaki, Ikuzo Sugiura, Yoshihiko Sugimoto 1992-01-21
5062722 Thermal printer with reciprocal paper feed control Tsugio Shiozaki, Satoshi Kitahara, Ikuzo Sugiura 1991-11-05
5044801 Printing apparatus Mitsuo Uchimura, Seiji Koike, Takeshi Tashiro, Toshiharu Shimosato, Kazuhiro Fushimi 1991-09-03
4997298 Method and apparatus for loading ink ribbon Mitsuo Uchimura, Seiji Koike, Takeshi Tashiro, Kazuhiro Fushimi, Ikuzo Sugiura 1991-03-05
4982946 Apparatus for transporting paper Mitsuo Uchimura, Seiji Koike, Takeshi Tashiro, Kazuhiro Fushimi, Ikuzo Sugiura 1991-01-08
4973175 Electronic printing apparatus Seiji Koike, Takeshi Tashiro, Toshiharu Shimosato, Kazuhiro Fushimi 1990-11-27
4953994 Thermal printer with reciprocal paper feed control Tsugio Shiozaki, Satoshi Kitahara, Ikuzo Sugiura 1990-09-04
4938616 Thermal printer Tsugio Shiozaki, Ikuzo Sugiura 1990-07-03
4934847 Thermal transfer printer with ribbon tensioning mechanism Tsugio Shiozaki, Ikuzo Sugiura 1990-06-19
D307893 Magnetic recording disk cartridge Arthur K. Kato, Vurnen J. Leonard, Osamu Sakurai 1990-05-15
4879621 Disk restraint Davis W. Chamberlin, Vurnen J. Leonard 1989-11-07
4589105 Flexible disc cassette Tsuneo Nemoto, Koukichi Sugawara 1986-05-13
4357565 Control apparatus for variable-speed reversible motor Shigeki Saito, Syoichi Kawamata 1982-11-02