Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9212572 | Sintered valve guide and production method therefor | Hideaki Kawata | 2015-12-15 |
| 8876935 | Sintered material for valve guides and production method therefor | Hideaki Kawata | 2014-11-04 |
| 8617288 | Sintered material for valve guides and production method therefor | Hideaki Kawata | 2013-12-31 |
| 7892481 | Manufacturing method for wear resistant sintered member, sintered valve seat, and manufacturing method therefor | Tatsuaki Yoshihiro, Hideaki Kawata, Kunio Maki, Toru Tsuboi | 2011-02-22 |
| 7575619 | Wear resistant sintered member | Hideaki Kawata | 2009-08-18 |
| 7572312 | Sintered valve seat and production method therefor | Hideaki Kawata | 2009-08-11 |
| 6562098 | Wear resistant sintered member | Hideaki Kawata, Koichiro Hayashi, Tomonori Miyazawa, Koji Koyanagi, Akira Fujiki +4 more | 2003-05-13 |