Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831454 | Image sensor device having plural photoelectric converting elements | Nobuyoshi Tanaka, Toshiji Suzuki, Tsuneo Suzuki, Shigetoshi Sugawa, Mahito Shinohara | 1989-05-16 |
| 4800527 | Semiconductor memory device | Takao Yonehara | 1989-01-24 |