Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847658 | Image forming apparatus and image forming method employed therefor | Kaoru Takebe, Hiroshi Okamoto, Kenji Tabuchi, Mineyuki Sako | 1989-07-11 |
| 4845524 | Image forming method | Hiroshi Okamoto, Kenji Tabuchi, Kaoru Takebe, Taisuke Nagao | 1989-07-04 |
| 4835566 | Electrophotographic copying apparatus | Tateki Oka, Tomoaki Yokoyama | 1989-05-30 |
| 4828953 | Method for the formation of outline images corresponding to the peripheral outlines of document's images | Tateki Oka, Tomoaki Yokoyama | 1989-05-09 |
| 4821071 | Electrophotographic copiers | Tateki Oka, Hisashi Myochin, Tomoaki Yokoyama | 1989-04-11 |
| 4821076 | Electro-static photo-copier machine | Takeki Oka | 1989-04-11 |