Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411374 | Light-projecting/receiving unit and omnidirectional distance detecting apparatus | Takaaki Kawai, Hiromichi Tozuka, Michito Hirayanagi | 2002-06-25 |
| 5694204 | Device for optically measuring distance | Shigeyuki Nakamura, Hiromi Shimano | 1997-12-02 |
| 5578815 | Bias circuit for maintaining a constant potential difference between respective terminals of more than one avalanche photodiode | Shigeyuki Nakamura, Tsuyoshi Ohta | 1996-11-26 |
| 5548112 | Photodetecting circuit using avalanche photodiode | Shigeyuki Nakamura, Tsuyoshi Ohta | 1996-08-20 |