Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6886984 | Bearing device for internal combustion engines | Mitsuru Sugita, Yukihiko Kagohara, Osamu Ishigo, Yoshikazu Mizuno, Hiroshi Munetoki +5 more | 2005-05-03 |
| 5362338 | Non-heat treating steel for hot forging | Naoki Iwama | 1994-11-08 |