Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4774393 | Slide contacting member and production method therefor | Junichi Yamamoto, Yoshifumi Yamamoto | 1988-09-27 |
| 4755116 | Rotor housing for a rotary piston engine having softened areas surrounding the plug holes | Junichi Yamamoto, Yoshifumi Yamamoto | 1988-07-05 |
| 4729729 | Rotor housing for rotary piston engines | Satoshi Nanba | 1988-03-08 |
| 4678738 | Manufacture of a wear-resistant sliding surface | Tsutomu Shimizu, Satoshi Nanba | 1987-07-07 |
| 4636285 | Method of manufacturing wear resistant sliding member | Jun Miyata, Koji Yagii, Satoshi Nanba | 1987-01-13 |
| 4482399 | Nitrided cast iron product and method for manufacturing the same | Tuyoshi Morishita, Toshihiko Hattori, Yashuhumi Kawado | 1984-11-13 |