Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7959868 | Exhaust gas purifying apparatus | Susumu Sarai | 2011-06-14 |
| 7622419 | Filter catalyst | Makoto Tsuji, Daisuke Oki | 2009-11-24 |
| 7560079 | Exhaust gas-purifying apparatus | — | 2009-07-14 |
| 7306771 | Filter catalyst for purifying exhaust gases and its manufacturing method thereof | — | 2007-12-11 |
| 7204965 | Filter catalyst for purifying exhaust gases | Mamoru Nishimura, Mikio Ishihara | 2007-04-17 |
| 5746989 | Method for purifying exhaust gas of a diesel engine | Mikio Murachi, Koichi Kojima, Takuya Kondo | 1998-05-05 |