Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866006 | Process for producing hydrogenated amorphous silicon film | Masazumi Iwanishi, Seiichiro Yokohama | 1989-09-12 |
| 4839701 | Hydrogenated amorphous silicon film | Masazumi Iwanishi, Seiichiro Yokoyama | 1989-06-13 |