Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929070 | Illumination optical system for endoscopes | Akira Yokota | 1990-05-29 |
| 4745270 | Photoelectric microscope using position sensitive device | Yoshiaki Horikawa | 1988-05-17 |