Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7364013 | Shell main body for muffler | Takao Shibata, Koichi Takahashi | 2008-04-29 |
| 5967193 | Flexible pipe unit for use in exhaust pipe line of automotive engine | Tadashi Nagai, Eizo Suyama, Syoji Watanabe, Seiji Katou, Toshiaki Kimura +5 more | 1999-10-19 |