Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773856 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Masato Tanaka, Hideki Anayama, Atsushi Fujii, Ryuji Higashi | 2004-08-10 |
| 6768006 | Phthalocyanine crystal, production process therefor, and electrophotographic photosensitive member, process cartridge and apparatus using the crystal | Masato Tanaka, Kan Tanabe, Kazue Asakura, Atsushi Fujii | 2004-07-27 |