Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647206 | Exhaust emission purification apparatus | Takahiko Yamamoto, Hiroshi Mori, Makoto Saito, Mamoru Mabuchi | 1997-07-15 |
| 5634332 | Exhaust gas purification apparatus | Hiroshi Mori, Makoto Saito, Mamoru Mabuchi, Hiroyuki Usami, Takahiko Yamamoto | 1997-06-03 |
| 5634333 | Exhaust pipe opening and closing apparatus | Hiroyuki Usami, Mamoru Mabuchi, Tatsuo Sakai, Kinji Hodaira | 1997-06-03 |