Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6465143 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Masato Tanaka, Hideki Anayama, Kan Tanabe, Kazue Asakura, Atsushi Fujii | 2002-10-15 |
| 6447967 | Phthalocyanine crystal, production process therefor, and electrophotographic photosensitive member, process cartridge and apparatus using the crystal | Masato Tanaka, Kan Tanabe, Kazue Asakura, Atsushi Fujii | 2002-09-10 |
| 6335132 | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus including the photosensitive member | Masato Tanaka, Kan Tanabe | 2002-01-01 |