Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670382 | Method for producing a solid state imaging device | Tohru Ishizuya, Keiichi Akagawa | 1997-09-23 |
| 5635738 | Infrared solid-state image sensing apparatus | Keiichi Akagawa, Tetsuya Tomofuji | 1997-06-03 |