Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6775497 | Electrophotographic photosensitive body with hollow base and filler element, electrophotographic apparatus using same | Hiroshi Sugimura, Koichi Toriyama, Rikiya Matsuo, Hisayuki Utsumi, Masanori Matsumoto +1 more | 2004-08-10 |
| 6696214 | Electrophotographic photoreceptor, process for production thereof, and image-forming apparatus using same | Satoshi Katayama, Masayuki Sakamoto, Tatsuhiro Morita, Sayaka Fujita, Tadashi Nakamura | 2004-02-24 |