Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677201 | Laminated solid-state image pickup device and a method for manufacturing the same | Shigetoshi Sugawa, Hisae Shimizu | 1997-10-14 |
| 5600152 | Photoelectric conversion device and its manufacturing method | Shigetoshi Sugawa | 1997-02-04 |