Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290369 | Method of gas sulphonitriding | Kazuyoshi Hatano, Ken Ichiryu, Morio Tamura, Yasuharu Gotoh, Nobuyoshi Hidao | 1994-03-01 |
| 5187017 | Sliding member, and method and apparatus for producing the same by gas sulphonitriding | Kazuyoshi Hatano, Ken Ichiryu, Morio Tamura, Yasuharu Gotoh, Nobuyoshi Hidao | 1993-02-16 |
| 4788902 | Thrust hydrostatic bearing device for use in axial piston machine | Yoshimichi Akasaka, Ichiro Nakamura, Ken Ichiryu, Yasuharu Gotoh | 1988-12-06 |