Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144340 | Inkjet printer with an electric curtain force | Hideo Hotomi | 1992-09-01 |
| 5129358 | Magnetic roller for use in a developing device | Yoshinori Inoue, Shinya Sakanashi, Satoshi Hamada, Masao Shimizu | 1992-07-14 |
| 5018045 | Corona discharger for use in electrophotographic copying machine | Yoshinori Inoue, Hitoshi Saito, Narutaka Yoshida | 1991-05-21 |
| 4922303 | Image forming apparatus with corona discharge device for transferring toner image | Katsuhiko Takeda | 1990-05-01 |
| 4821071 | Electrophotographic copiers | Tateki Oka, Naoki Toyoshi, Tomoaki Yokoyama | 1989-04-11 |
| 4688927 | Electrophotographic copying machine | Masataka Oda, Tsugihito Yoshiyama, Kouji Matsushita | 1987-08-25 |
| 4574326 | Electrical charging apparatus for electrophotography | Kuniki Seino | 1986-03-04 |
| 4295239 | Apparatus for removing residual toner | — | 1981-10-20 |