Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634332 | Exhaust gas purification apparatus | Masakazu Tanaka, Hiroshi Mori, Makoto Saito, Mamoru Mabuchi, Takahiko Yamamoto | 1997-06-03 |
| 5634333 | Exhaust pipe opening and closing apparatus | Masakazu Tanaka, Mamoru Mabuchi, Tatsuo Sakai, Kinji Hodaira | 1997-06-03 |