Issued Patents All Time
Showing 176–177 of 177 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323257 | Piston ring with a Cr-C-Fe inlaid ring in its outer surface, and a method of making it | Yoshio Huwa, Syouzi Miyazaki | 1982-04-06 |
| 4292074 | Wear resistant alloy | Yoshiro Komiyama, Yoshio Fuwa, Akira Matsui, Shoji Miyazaki, Tokushiro Hasegawa | 1981-09-29 |