Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6189650 | Muffler structure | Kazuhiro Inuzuka, Kunihiko Fujiwara | 2001-02-20 |
| 5971098 | Muffler for internal combustion engine | Mitsuro Suzuki, Kunihiko Fujiwara, Tetsuo Kato, Takanori Morishita | 1999-10-26 |
| 5801343 | Muffler for internal combustion engine | Mitsuro Suzuki, Kunihiko Fujiwara, Tetsuo Kato, Takanori Morishita | 1998-09-01 |