Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7892481 | Manufacturing method for wear resistant sintered member, sintered valve seat, and manufacturing method therefor | Tatsuaki Yoshihiro, Hiroki Fujitsuka, Kunio Maki, Toru Tsuboi | 2011-02-22 |