Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670089 | Electrophotographic image forming method and apparatus | Toshiyuki Ehara, Tatsuyuki Aoike, Masaharu Miura | 2003-12-30 |
| 6645688 | Image-forming apparatus and image-forming method | Ryuji Okamura, Kazuto Hosoi | 2003-11-11 |
| 6635397 | Negative-charging electrophotographic photosensitive member | Ryuji Okamura, Kazuto Hosoi | 2003-10-21 |
| 6586149 | Light-receiving member, image-forming apparatus, and image-forming method | Kunimasa Kawamura, Shigenori Ueda, Toshiyuki Ehara, Ryuji Okamura, Masaya Kawada +2 more | 2003-07-01 |
| 6576387 | Image-forming apparatus and image-forming method | Ryuji Okamura, Kazuto Hosoi | 2003-06-10 |
| 6528130 | Exhaust process and film depositing method using the exhaust process | Shigenori Ueda, Ryuji Okamura | 2003-03-04 |