Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10012915 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and chlorogallium phthalocyanine crystal and method for producing the same | Tsutomu Nishida, Masato Tanaka, Masataka Kawahara, Jumpei Kuno, Kaname Watariguchi | 2018-07-03 |
| 7732113 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and process for producing electrophotographic photosensitive member | Kazushige Nakamura, Hirotoshi Uesugi, Hirofumi Kumoi, Shinji Takagi, Yukihiro Abe +2 more | 2010-06-08 |
| 7655370 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Wataru Kitamura, Atsushi Okuda, Harunobu Ogaki | 2010-02-02 |
| 7001699 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Takakazu Tanaka, Akira Yoshida, Yuka Ishiduka, Harunobu Ogaki | 2006-02-21 |
| 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 |
| 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 |
| 6333579 | Stator for outer rotor-type multi-pole generator | Masayuki Tozuka | 2001-12-25 |
| 6245473 | Electrophotographic apparatus with DC contact charging and photosensitive layer with polycarbonate resin in charge generation layer | Hideki Anayama, Toshiyuki Yoshihara, Itaru Yamazaki, Hideyuki Ainoya, Mayumi Kimura | 2001-06-12 |
| 6185398 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Takakazu Tanaka, Hirotoshi Uesugi | 2001-02-06 |
| 6180302 | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus provided with the electrophotographic member | Takakazu Tanaka, Hideki Anayama, Tetsuro Fukui | 2001-01-30 |
| 6091172 | Coil connecting structure in outer rotor-type multi-pole generator | Seiichi Kakinuma, Masayuki Tozuka, Tsutomu Hirano, Motohiro Shimizu | 2000-07-18 |
| 5935747 | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member | Hajime Miyazaki, Hideki Anayama | 1999-08-10 |
| 5912098 | Electrophotographic photosensitive member and electrophotographic apparatus and process cartridge including same | Takakazu Tanaka, Hideki Anayama, Akira Yoshida, Wataru Kitamura | 1999-06-15 |
| 5876890 | Electrophotographic photosensitive member and apparatus and process cartridge provided with the same | Wataru Kitamura, Kimihiro Yoshimura | 1999-03-02 |
| 5610690 | Electrophotographic apparatus and process cartridge featuring an electrophotographic photosensitive member having a surface layer of lubricative fluorine-containing resin powder | Toshiyuki Yoshihara, Hideki Anayama, Itaru Yamazaki, Hideyuki Ainoya, Mayumi Kimura | 1997-03-11 |
| 5565289 | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus employing the same | Toshiyuki Yoshihara, Hideki Anayama, Itaru Yamazaki, Hideyuki Ainoya | 1996-10-15 |
| 5538826 | Electrophotographic image forming method, apparatus and device unit | Hideyuki Ainoya, Toshiyuki Yoshihara, Hideki Anayama, Itaru Yamazaki, Mayumi Kimura | 1996-07-23 |
| 5384625 | Image forming method | Hideki Anayama, Toshiyuki Yoshihara, Hideyuki Ainoya | 1995-01-24 |