Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4933729 | Photointerrupter | Shunichi Yakata, Yoichi Sakumura | 1990-06-12 |
| 4833318 | Reflection-type photosensor | Atushi Yonekura | 1989-05-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4933729 | Photointerrupter | Shunichi Yakata, Yoichi Sakumura | 1990-06-12 |
| 4833318 | Reflection-type photosensor | Atushi Yonekura | 1989-05-23 |