Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5268309 | Method for manufacturing a photosensor | Hidemasa Mizutani, Jun Nakayama, Masaru Nakayama, Ken Yamaguchi, Yasuteru Ichida | 1993-12-07 |
| 5150189 | Semiconductor apparatus | Takahiro Shirai, Tsuneori Yoshinari | 1992-09-22 |
| 5115124 | Semiconductor photosensor having unitary construction | Takahiro Shirai, Tsunenori Yoshinari | 1992-05-19 |
| 5101253 | Photo sensor with monolithic differential amplifier | Hidemasa Mizutani, Jun Nakayama, Masaru Nakayama, Ken Yamaguchi, Yasuteru Ichida | 1992-03-31 |
| 4853530 | Reverse biased photosensing semiconductor and op amp arrangement wherein the two load resistors of the operational amplifier unbalance the two transistors | — | 1989-08-01 |
| 4714844 | Logarithmic compression circuit | — | 1987-12-22 |