Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307158 | Video camera | Masaaki Tsuruta, Minoru Morio | 1994-04-26 |
| 4630116 | Video signal inverting circuit | Toshiaki Isogawa, Tsutomu Niimura, Joichi Sato, Mitsuru Sato | 1986-12-16 |
| 4623933 | Video camera gain control circuit | Joichi Sato, Tsutomu Nimura, Toshiaki Isogawa, Mitsuru Sato | 1986-11-18 |
| 4589021 | Gamma compensating circuit | Joichi Sato, Tsutomu Niimura, Toshiaki Isogawa, Mitsuru Sato | 1986-05-13 |
| 4471383 | Apparatus for locking the iris aperture of a camera | Tadashi Esashika | 1984-09-11 |