Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38414 | Sliding bearing for an internal combustion engine | Yoshikatsu Nakamura, Katsuyuki Hashizume, Soji Kamiya | 2004-02-03 |
| 5238311 | Sliding bearing for an internal combustion engine | Yoshikatsu Nakamura, Katsuyuki Hashizume, Soji Kamiya | 1993-08-24 |
| 5174249 | Piston cooling device for internal combustion engine | — | 1992-12-29 |