Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982942 | Sheet feed mechanism | Hiroshi Konishi, Joji Tadokoro, Noboru Otaki | 1991-01-08 |
| 4835603 | Color image reproduction apparatus and a composite light filter and ink ribbon for use therein | Hiroyuki Kano, Joji Tadokoro | 1989-05-30 |
| 4819078 | Electronic print board system | Joji Tadokoro | 1989-04-04 |
| 4618250 | Photosensitive drum cleaning device in electrophotographic recording system | Mikio Yamamoto, Tetsuji Kojima | 1986-10-21 |
| 4586461 | Dry-type developing device for electrophotography | Mikio Yamamoto, Shinichi Furukawa | 1986-05-06 |