Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647206 | Exhaust emission purification apparatus | Takahiko Yamamoto, Masakazu Tanaka, Makoto Saito, Mamoru Mabuchi | 1997-07-15 |
| 5634332 | Exhaust gas purification apparatus | Masakazu Tanaka, Makoto Saito, Mamoru Mabuchi, Hiroyuki Usami, Takahiko Yamamoto | 1997-06-03 |