Issued Patents All Time
Showing 26–50 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8188297 | Indolium compound and optical recording material | Koichi Shigeno | 2012-05-29 |
| 8105750 | Optical recording medium and method of manufacturing the same | Yutaka Wada, Masatsugu Suwabe, Koichi Shigeno | 2012-01-31 |
| 8029976 | Optical recording medium and optical recording-reproducing method using thereof | Yutaka Wada, Masatsugu Suwabe, Junko Shimada, Keiji Oya, Koichi Shigeno | 2011-10-04 |
| 8030494 | Optical recording material | Yohei Aoyama | 2011-10-04 |
| 7709181 | Cyanine compound and optical recording materials | Koichi Shigeno | 2010-05-04 |
| 7705162 | Indolium compounds and optical recording materials | Koichi Shigeno | 2010-04-27 |
| 7682773 | Cyanine compound, optical recording material using the same and optical recording medium | Mitsuhiro Okada, Koichi Shigeno | 2010-03-23 |
| 7674569 | Optical recording material and optical recording medium | Koichi Shigeno | 2010-03-09 |
| 7553604 | Cyanine compound, optical recording material, and optical recording medium | Koichi Shigeno, Mitsuhiro Okada | 2009-06-30 |
| 7517937 | Biodegradable resin composition and biodegradable resin molded article | Nobuyuki Sakuda | 2009-04-14 |
| 7425401 | Cyanine compounds, optical recording materials and optical recording media | Koichi Shigeno, Mitsuhiro Okada | 2008-09-16 |
| 7316836 | Optical recording medium | Yutaka Wada, Masatsugu Suwabe, Toshihiro Akimori, Junko Shimada, Keiji Oya +1 more | 2008-01-08 |
| D519569 | Inputting machine for computer game machine | Tsutomu Kiyono, Masatoshi Takai, Masuya Oishi | 2006-04-25 |
| 6603278 | Control system for hybrid vehicle | Yoshikazu Oshima, Yusuke Tatara, Motoshi Ishikawa, Yutaka Tamagawa, Tetsu Sugiyama | 2003-08-05 |
| 6369531 | Control system for hybrid vehicle | Yoshikazu Oshima, Yusuke Tatara, Motoshi Ishikawa, Yutaka Tamagawa, Tetsu Sugiyama | 2002-04-09 |
| 6330498 | Control system for hybrid vehicle | Yutaka Tamagawa, Motoshi Ishikawa, Yoshikazu Oshima | 2001-12-11 |
| 6223106 | Control system for hybrid vehicle | Yutaka Tamagawa, Shigeru Aoki, Shigeru Ibaraki, Eiji Kitsutaka | 2001-04-24 |
| 6140780 | Control system for hybrid vehicle | Yoshikazu Oshima, Yusuke Tatara, Motoshi Ishikawa, Yutaka Tamagawa, Tetsu Sugiyama | 2000-10-31 |
| 6138784 | Control system for hybrid vehicle | Yoshikazu Oshima, Hideki Minami, Yusuke Tatara, Yutaka Tamagawa | 2000-10-31 |
| 6124690 | Control system for hybrid vehicle | Yutaka Tamagawa, Yusuke Tatara | 2000-09-26 |
| 6114496 | Biodegradable resin composition and preparation process thereof | Junzo Otera, Nobuyuki Sakuda | 2000-09-05 |
| 6013992 | Control system for hybrid vehicle | Motoshi Ishikawa, Yutaka Tamagawa | 2000-01-11 |
| 6012428 | Method for controlling air-fuel ratio in internal combustion engine | Eisuke Kimura, Masanori Hayashi, Yusuke Tatara, Toshio Yokoyama, Kenichiro Kinoshita | 2000-01-11 |
| 5984033 | Control system for hybrid vehicles | Yutaka Tamagawa, Yoshio Yamamoto | 1999-11-16 |
| 5978719 | Control system for hybrid vehicles | Yutaka Tamagawa | 1999-11-02 |