Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990768 | Electronic apparatus including photoelectric switch | Masato Hara, Satoru Shimokawa, Ichiro Kondo | 1991-02-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990768 | Electronic apparatus including photoelectric switch | Masato Hara, Satoru Shimokawa, Ichiro Kondo | 1991-02-05 |