Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021877 | Optical image reading apparatus capable of reading multi-colored original | Michio Tsuchiya, Shuji Otsuka, Takayuki Matsumoto, Eiichi Ohta, Hakudai Kondo +6 more | 1991-06-04 |
| 5016117 | Optical reader having apparatus for discrimination between dither-matrix and non-dither-matrix reading areas, and/or means for determining light emitter drive power values by using reference reflector surface | Takayuki Matsumoto, Shuji Otsuka, Kouzi Takeyama, Suzuyo Murai, Kouichi Mino +3 more | 1991-05-14 |
| 4748516 | Input/output device for image reading and printing | Eiichi Ohta | 1988-05-31 |
| 4689692 | Optical Reader | Kenji Sakakibara | 1987-08-25 |
| 4684999 | Image reader | Kenji Sakakibara, Yasuhito Bandai, Eiichi Ohta | 1987-08-04 |
| 4652743 | Optical image-reading apparatus | Eiichi Ohta | 1987-03-24 |