Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596344 | Driving method of driving a liquid crystal display element | Takeshi Kuwata, Temkar N. Ruckmongathan, Yutaka Nakagawa, Hidemasa Koh, Takashi Yamashita +2 more | 1997-01-21 |
| 5587816 | LCD device including an illumination device having a polarized light separating sheet between a light guide and the display | Tomoki Gunjima, Yoshiharu Ooi, Masao Ozeki, Hiroaki Ito, Tetsuro Matsumoto +1 more | 1996-12-24 |
| 5489910 | Image display device and method of driving the same | Takeshi Kuwata, Kohji Ikawa, Tatsushi Asakawa, Akira Nakazawa, Hideyuki Nagano +1 more | 1996-02-06 |
| 5489919 | Driving method of driving a liquid crystal display element | Takeshi Kuwata, Temkar N. Ruckmongathan, Yutaka Nakagawa, Hidemasa Koh, Takashi Yamashita +2 more | 1996-02-06 |
| 5262881 | Driving method of driving a liquid crystal display element | Takeshi Kuwata, Temkar N. Ruckmongathan, Yutaka Nakagawa, Hidemasa Koh, Takashi Yamashita +2 more | 1993-11-16 |
| 4938199 | Method for controlling the air-fuel ratio in vehicle internal combustion engines | Toshio Sato, Yoshiharu Abe, Yuji Fujiki | 1990-07-03 |
| 4909195 | Valve operating system of internal combustion engine | Yoshio Nuiya | 1990-03-20 |
| 4868756 | Method of indicating a shift operation of a manual transmission gear of a vehicle | Tomohiko Kawanabe, Masahiko Asakura, Katsuhiko Kimura, Yasunari Seki, Kouji Matsuura | 1989-09-19 |
| 4808269 | Method for controlling an oxygen concentration sensing device | Tomohiko Kawanabe, Masahiko Asakura, Noritaka Kushida, Tessho Yamada | 1989-02-28 |
| 4774920 | Idling speed control system for internal combustion engines | Masahiko Asakura, Michio Sakaino, Yukio Miyashita | 1988-10-04 |
| 4771755 | Abnormality detecting method for air-fuel ratio control system for internal combustion engines | Masahiko Asakura, Shinichi Kubota, Yoshitaka Hibino, Koji Kajita, Atsushi Totsune | 1988-09-20 |
| 4753202 | Idling speed control system for internal combustion engines | Masahiko Asakura, Michio Sakaino, Yukio Miyashita | 1988-06-28 |
| 4752883 | Method for directing an up-shift operation for a vehicle having a manual transmission | Masahiko Asakura, Noritaka Kushida, Katsuhisa Amano, Tomohiko Kawanabe, Masahiro Ueda +1 more | 1988-06-21 |
| 4750461 | Idling speed control system for internal combustion engines | Masahiko Asakura, Michio Sakaino, Yukio Miyashita | 1988-06-14 |
| 4741716 | Mooring system | Masanori Kajiwara, Hiroshi Hiramoto, Hiroya Oka | 1988-05-03 |
| 4736720 | Idling speed control system for internal combustion engines | Masahiko Asakura, Haruo Shimamura, Michio Sakaino | 1988-04-12 |
| 4732132 | Air intake side secondary air supply system for an internal combustion engine using a linear-type solenoid valve | Hideo Kobayashi, Kazuhito Kakimoto, Yutaka Otobe, Hitoshi Yamabe, Norio Tomobe | 1988-03-22 |
| 4727850 | Secondary air control device for internal combustion engines | Hideo Kobayashi, Haruo Shimamura | 1988-03-01 |
| 4721084 | Method for controlling an oxygen concentration sensor for sensing an oxygen concentration in an exhaust gas of an internal combustion engine | Tomohiko Kawanabe, Masahiko Asakura, Minoru Muroya, Katsuhiko Kimura, Noritaka Kushida | 1988-01-26 |
| 4706637 | Oxygen concentration sensing device for an air-fuel ratio control system of an automotive internal combustion engine | Masahiko Asakura, Tomohiko Kawanabe, Noritaka Kushida | 1987-11-17 |
| 4693220 | Idling speed control system for internal combustion engines | Masahiko Asakura, Michio Sakaino, Yukio Miyashita | 1987-09-15 |
| 4665874 | Device for sensing an oxygen concentration in gaseous body with a pump current supply circuit and an air/fuel ratio control system using an oxygen concentration sensing device | Tomohiko Kawanabe, Masahiko Asakura, Minoru Muroya, Katsuhiko Kimura, Noritaka Kushida | 1987-05-19 |