Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821497 | Amorphous hard carbon film, mechanical parts and method for producing amorphous hard carbon film | — | 2004-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821497 | Amorphous hard carbon film, mechanical parts and method for producing amorphous hard carbon film | — | 2004-11-23 |