Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993770 | Silicon carbide fabrication | Akihiro Kuroyanagi, Tomiya Yasunaka, Kenichi Kanai | 1999-11-30 |
| 4441468 | Secondary air supply system | Kenji Yoneda, Fumio Sanezawa, Yasuo Takagi | 1984-04-10 |
| 4319549 | Secondary air supply system | Kenji Yoneda, Fumio Sanezawa, Yasuo Takagi | 1982-03-16 |