Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7379788 | Manufactured article treatment processing system | Tatsuya Suzuki, Toshijiro Ohashi, Yuzo Hiroshige, Yuji Ochiai, Takashi Kitamura +1 more | 2008-05-27 |
| 6226617 | Product disposal system | Tatsuya Suzuki, Toshijiro Ohashi, Yuzo Hiroshige, Yuji Ochiai, Takashi Kitamura +1 more | 2001-05-01 |
| 5517820 | Exhaust gas purifying apparatus and method for internal combustion engine | Osamu Kuroda, Miho Saito, Toshio Ogawa, Noriko Watanabe, Akira Kato +1 more | 1996-05-21 |
| 5379586 | System for controlling oxygen concentration in exhaust gas and exhaust gas cleaning system employing the same | Akio Honji, Toshio Ogawa, Osamu Kuroda, Hisao Yamashita, Hiroshi Miyadera +1 more | 1995-01-10 |
| 4946661 | Process for removing nitrogen oxides | Akira Kato, Hiroshi Kawagoshi, Hisao Yamashita, Tomoichi Kamo, Shinpei Matsuda +2 more | 1990-08-07 |
| 4925825 | Catalyst for removing nitrogen oxides | Akira Kato, Hiroshi Kawagoshi, Hisao Yamashita, Tomoichi Kamo | 1990-05-15 |
| 4865827 | Process for removing nitrogen oxides | Hiroshi Kawagoshi, Akira Kato, Hisao Yamashita, Tomoichi Kamo, Shinpei Matsuda +2 more | 1989-09-12 |