Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4447263 | Blade member of cermet having surface reaction layer and process for producing same | Hironori Yoshimura, Junichi Toyama | 1984-05-08 |
| 4341834 | Coated super-hard alloy articles | Noribumi Kikuchi, Yasuo Suzuki, Fumio Washizu | 1982-07-27 |