Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822538 | Process for producing a carbonaceous thin plate | Akio Yoshida, Shigetoshi Ajima, Hatsuo Saito | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822538 | Process for producing a carbonaceous thin plate | Akio Yoshida, Shigetoshi Ajima, Hatsuo Saito | 1989-04-18 |