Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663000 | Hard multilayer film formed material of titanium and carbon/silicon | Minoru Yamada | 1997-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663000 | Hard multilayer film formed material of titanium and carbon/silicon | Minoru Yamada | 1997-09-02 |