Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294421 | Method for catalytically purifying exhaust gas | Hideaki Muraki, Tokuta Inoue, Kenji Katoh | 1994-03-15 |
| 5155994 | Exhaust gas purification system for an internal combustion engine | Hideaki Muraki, Kenji Katoh, Shinichi Takeshima | 1992-10-20 |
| 5141906 | Catalyst for purifying exhaust gas | Shinichi Takeshima, Toshiaki Tanaka, Tokuta Inoue | 1992-08-25 |
| 4667636 | Fuel injection type internal combustion engine | Kiyoshi Nakanishi, Nobuaki Kayanuma, Taiyo Kawai, Norihisa Nakagawa, Hiroshi Nomura | 1987-05-26 |
| 4608948 | Air intake device of an internal combustion engine | Tokuta Inoue, Takamitsu Okamoto, Keiso Takeda | 1986-09-02 |
| 4574748 | Air intake device of an internal combustion engine | Tokuta Inoue, Takamitsu Okamoto, Keiso Takeda | 1986-03-11 |
| 4549398 | Exhaust gas cleaning device for diesel engines | Kiyoshi Kobashi, Kenichirou Takama | 1985-10-29 |
| 4538412 | Exhaust gas cleaning device for diesel engines | Yasuhiko Ishida, Kenichirou Takama | 1985-09-03 |
| 4485622 | Exhaust gas cleaning device for internal combustion engine | Shigeru Takagi, Yukihisa Takeuchi, Shigeru Kamiya, Masahiro Tomita, Kiyoshi Kobashi | 1984-12-04 |
| 4404798 | Exhaust gas cleaning device for internal combustion engine | Shigeru Takagi, Yukihisa Takeuchi, Shigeru Kamiya, Masahiro Tomita, Kiyoshi Kobashi | 1983-09-20 |
| 4404795 | Method of and apparatus for reducing emitted amount of particulates contained in exhaust gas of diesel engine | Yoshihiro Suzuki, Kiyoshi Kobashi, Shinichi Matsumoto, Takashi Yoshida, Takeshi Kogiso | 1983-09-20 |
| 4386497 | Exhaust gas cleaning device for internal combustion engine | Shigeru Takagi, Yukihisa Takeuchi, Shigeru Kamiya, Masahiro Tomita, Kiyoshi Kobashi | 1983-06-07 |
| 4272460 | Variable venturi type carburetor | Noboru Watanabe, Tokuta Inoue | 1981-06-09 |
| 4264537 | Variable venturi type carburetor | Noboru Watanabe, Tokuta Inoue | 1981-04-28 |
| 4242997 | Exhaust gas recirculation system for internal combustion engines | Tokio Kohama, Takeshi Matsui, Akira Nishimatsu, Tokuta Inoue, Kiyoshi Kobashi | 1981-01-06 |