Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6029034 | Image forming apparatus having an .alpha.-Si photosensitive drum and a non-magnetic uni-component toner | Yoshio Ozawa, Yojiro Sato, Hisashi Mukataka | 2000-02-22 |
| 5812160 | Image forming apparatus with improved assemblies for tore carrier, toner passage control device and backing electrode | Takasumi Wada, Masayuki Tone, Hidemasa Aiba, Ove Larson | 1998-09-22 |
| 5729800 | Electrophotographic apparatus having an a-Si photosensitive drum assembled therein | Tadashi Ohba, Norio Tomiie, Hisashi Higuchi | 1998-03-17 |
| 5374949 | Image forming apparatus | Takasumi Wada, Masayuki Tone, Hidemasa Aiba, Ove Larson | 1994-12-20 |