Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5598252 | Electronic image forming apparatus with reduced residual carrier and toner attraction | Hideo Yamasa, Fumio Shimazu, Shirou Wakahara, Yuuhi Yui, Eiichi Kido +1 more | 1997-01-28 |
| 5546169 | Copying machine with image superposition capability | Takasumi Wada, Hirokazu Fujita | 1996-08-13 |
| 5459555 | Electronic image forming apparatus | Hideo Yamasa, Fumio Shimazu, Shirou Wakahara, Yuuhi Yui, Eiichi Kido +1 more | 1995-10-17 |
| 5313359 | Excessive current preventing device for the contact charging of a photosensitive layer | Shinji Imagawa | 1994-05-17 |
| 5278612 | Apparatus for judging life of photoconductor | — | 1994-01-11 |
| 4929970 | Laser printer | — | 1990-05-29 |
| 4611591 | Expiration valve control for automatic respirator | Hiroshi Makita | 1986-09-16 |