Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636068 | Change-over shutter for light-wave range finder | Masaaki Niiho, Kiyoshi Itoh, Shinichi Suzuki, Koji Tsuda | 1987-01-13 |
| 4523108 | Averaging circuit | Masaaki Niiho | 1985-06-11 |