Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238244 | Nitriding of iron and steel parts in salt bath having improved corrosion resistance | Tokuo Sato, Tetsuya Yamamura, Kazuyoshi Kurosawa, Humihide Nakamura, Motohiro Tenmaya | 2007-07-03 |
| 7217327 | Method of producing metal member with enhanced corrosion resistance by salt bath nitriding | Hiroshi Eiraku, Tetsuya Yamamura, Kuniji Yashiro, Fumihide Nakamura, Motohiro Tenmaya | 2007-05-15 |