Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909919 | Vaporized fuel treatment apparatus | Ryuji Kosugi, Masamitsu Hayakawa, Shota YAMANAKA | 2011-03-22 |
| 7458367 | Canister | — | 2008-12-02 |
| 5755210 | Fuel discharge preventive device of gas engine | Toru Sato, Kazuhiro Yoneshige, Kichiro Kato, Masahiko Masubuchi | 1998-05-26 |
| 5337721 | Fuel vapor processing apparatus | Mitsuo Sugiura | 1994-08-16 |
| 5277168 | Fuel outflow preventing apparatus of fuel tank for vehicle | Seiji Kondo, Yoshihiro Kato | 1994-01-11 |
| 4974849 | Block inlaying puzzle | Kayoko Kasuya | 1990-12-04 |
| 4726344 | Electronic air-fuel mixture control system for internal combustion engine | Tsuneo Ando, Yukitoshi Asada, Hironobu Sugimoto | 1988-02-23 |
| 4705002 | Electronic air-fuel mixture control system for internal combustion engine | Tsuneo Ando, Yukitoshi Asada, Hironobu Sugimoto | 1987-11-10 |
| 4685434 | Electric control apparatus for carburetor | Tsuneo Ando, Takeru Yasuda, Yukitoshi Asada | 1987-08-11 |
| 4300505 | Air fuel ratio control device | Shigetaka Takada, Yukihiro Watanabe | 1981-11-17 |
| 4204482 | Comparator circuit adapted for use in a system for controlling the air-fuel ratio of an internal combustion engine | Toshiro Harada, Tadayuki Kubo, Yukihiro Watanabe | 1980-05-27 |