Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660056 | Valve seat for internal combustion engines | Hideaki Kawata, Toru Tsuboi | 2003-12-09 |
| 6616726 | Material for valve guides | Katsunao Chikahata | 2003-09-09 |
| 6562098 | Wear resistant sintered member | Hiroki Fujitsuka, Hideaki Kawata, Tomonori Miyazawa, Koji Koyanagi, Akira Fujiki +4 more | 2003-05-13 |