Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8532545 | Image forming apparatus and image forming method | Tomonari Hokkyoh, Takashi Suzuki, Koutarou Yamada | 2013-09-10 |
| 8406660 | Image forming apparatus including counter-rotating developing rollers and controlling method | Tomonari Hokkyoh, Hiroaki Maeda, Koutarou Yamada | 2013-03-26 |
| 5740504 | Electrophotographing method using carona charging device having areas with and without a grid | Hirofumi Ouchi, Kaoru Kataoka | 1998-04-14 |
| 5634183 | Image printer | Yosuke Saito, Hirobumi Ouchi, Yasuo Kikuchi, Tomio Sugaya | 1997-05-27 |
| 5276487 | Method of preventing colors from being mixed for a two-color image forming apparatus | Yasuo Kikuchi, Tomio Sugaya | 1994-01-04 |
| 5179417 | Apparatus for printing on opposite surfaces of a strip of printing paper | Tomio Sugaya, Yasuyuki Tsuji, Yasuo Kikuchi, Masaaki Akutsu, Motoji Kurobane | 1993-01-12 |