Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793876 | Production process for Fe-based sintered alloy valve seat | Atsushi Kawakami, Kunio Hanata | 2004-09-21 |
| 6528756 | Laser lap welding process of welding together overlapped plated steel sheets | Hidetaka Degawa, Shoji Kojima, Tomotaka Nagase, Hiroki Saito, Satoshi Ueda +3 more | 2003-03-04 |
| 5507257 | Value guide member formed of Fe-based sintered alloy having excellent wear and abrasion resistance | Masaaki Sakai, Takashi Kobayashi, Ichiro Tanaka, Masashi Sasaki | 1996-04-16 |