Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6347617 | Evaporative emission control system for internal combustion engine | Toru Kitamura, Norio Suzuki, Tetsuya Ishiguro, Takeshi Suzuki, Toshiaki Ichitani | 2002-02-19 |
| 6330879 | Evaporative emission control system for internal combustion engine | Toru Kitamura, Norio Suzuki, Tetsuya Ishiguro | 2001-12-18 |
| 6305362 | Evaporative emission control system for internal combustion engine | Toru Kitamura, Norio Suzuki, Tetsuya Ishiguro | 2001-10-23 |
| 6223121 | Air-to-fuel ratio control device | Akira Ishida, Masuo Takigawa, Toru Kitamura, Akira Kato | 2001-04-24 |
| 5947096 | Air-fuel ratio control system for internal combustion engines | Toru Kitamura, Akira Kato | 1999-09-07 |
| 5816230 | Air-fuel ratio control system for internal combustion engines | Toru Kitamura, Norio Suzuki, Yuh Yoshii | 1998-10-06 |
| 5542049 | Programmable controller | Ryoichi Uchiyama | 1996-07-30 |
| 5195024 | Programmable controller | Yasusuke Sakurai | 1993-03-16 |
| 4969119 | Sequence controller | Ryoichi Abe, Tatsuo Fujiwara | 1990-11-06 |
| 4879678 | Programmable sequence controller with operation codes partially supplying jump to addresses of machine language instruction | Ryoichi Abe | 1989-11-07 |
| 4752909 | Sequence controller | Tatsuo Fujiwara, Ryouichi Abe | 1988-06-21 |
| 4602325 | Programmable controller | — | 1986-07-22 |