Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4192402 | Muffler for internal combustion engines | Takashi Nakagawa, Kanau Iwashita, Masaaki Uchida | 1980-03-11 |
| 4192403 | Muffler for internal combustion engines | Takashi Nakagawa, Kanau Iwashita | 1980-03-11 |
| 4192404 | Muffler for internal combustion engines | Takashi Nakagawa, Kanau Iwashita | 1980-03-11 |