Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5971098 | Muffler for internal combustion engine | Kazunari Ohno, Kunihiko Fujiwara, Tetsuo Kato, Takanori Morishita | 1999-10-26 |
| 5801343 | Muffler for internal combustion engine | Kazunari Ohno, Kunihiko Fujiwara, Tetsuo Kato, Takanori Morishita | 1998-09-01 |