Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883951 | Method and system for detecting whether an optical system is in focus using an improved interpolation technique | Takashi Nishinbe | 1989-11-28 |
| 4847483 | Device for measuring light intensity received by a photosensor | Takashi Nishibe | 1989-07-11 |