Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830858 | Electrophotographic photosensitive member, preparation method thereof, image forming process, apparatus and process cartridge using the same | Akihiro Sugino | 2004-12-14 |
| 6819892 | Electrophotographic image forming apparatus including air conditioning means for removing harmful substances | Yasushi Nakazato, Yusuke Takeda, Tsukuru Kai, Satoshi Muramatsu, Masanori Suzuki +1 more | 2004-11-16 |
| 6800410 | Image forming apparatus | Kei Yasutomi, Nozomu Tamoto | 2004-10-05 |
| 6791663 | Image forming apparatus | — | 2004-09-14 |
| 6777150 | COATING LIQUID FOR AN INTERMEDIATE LAYER OF ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, MANUFACTURING METHOD THEREOF, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC APPARATUS, AND ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR PROCESS CARTRIDGE USING SAME | Akihiro Sugino | 2004-08-17 |
| 6735045 | Hard disk device having a shroud member fixed on a base as a separate member | Kiyoko Morii | 2004-05-11 |
| 6728656 | Lens frame shape measuring apparatus | — | 2004-04-27 |