Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7927774 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Harunobu Ogaki, Kenichi Kaku, Akira Yoshida | 2011-04-19 |
| 7585604 | Electrographic photosensitive member, process cartridge and electrophotographic apparatus | Harunobu Ogaki, Kenichi Kaku, Akira Yoshida | 2009-09-08 |
| 7045261 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Itaru Takaya, Harunobu Ogaki, Kenichi Kaku | 2006-05-16 |
| 7009080 | Process for producing halogenated aromatic amine compound | Harunobu Ogaki, Itaru Takaya, Yuka Ishiduka | 2006-03-07 |
| 7001699 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Akira Yoshida, Hidetoshi Hirano, Yuka Ishiduka, Harunobu Ogaki | 2006-02-21 |
| 6994941 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Itaru Takaya, Yuka Ishiduka, Harunobu Ogaki, Kenichi Kaku | 2006-02-07 |
| 6991881 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Harunobu Ogaki, Akira Yoshida, Itaru Takaya, Yuka Ishiduka | 2006-01-31 |
| 6958204 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Mitsuhiro Kunieda, Yuka Nakajima, Harunobu Ohgaki | 2005-10-25 |
| 6818368 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Mitsuhiro Kunieda, Yuka Nakajima, Harunobu Ohgaki | 2004-11-16 |
| 6410195 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Yuka Nakajima | 2002-06-25 |
| 6185398 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Hidetoshi Hirano, Hirotoshi Uesugi | 2001-02-06 |
| 6180302 | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus provided with the electrophotographic member | Hideki Anayama, Tetsuro Fukui, Hidetoshi Hirano | 2001-01-30 |
| 5912098 | Electrophotographic photosensitive member and electrophotographic apparatus and process cartridge including same | Hideki Anayama, Akira Yoshida, Hidetoshi Hirano, Wataru Kitamura | 1999-06-15 |
| 5756248 | Electrophotographic photosensitive member and apparatus and process cartridge provided with the same | Toshihiro Kikuchi, Tetsuro Kanemaru, Kouichi Nakata | 1998-05-26 |
| 5677095 | Electrophotographic photosensitive member | Toshihiro Kikuchi, Akio Maruyama, Noriko Ohtani, Shin Nagahara, Hisami Tanaka +1 more | 1997-10-14 |
| 5484673 | Electrophotographic photosensitive member | Toshihiro Kikuchi, Akio Maruyama, Noriko Ohtani, Shin Nagahara, Hisami Tanaka +1 more | 1996-01-16 |
| 5415962 | Electrophotographic photosensitive member, electrophotographic apparatus using same and device unit using same | Tetsuro Kanemaru, Toshihiro Kikuchi, Akihiro Senoo | 1995-05-16 |
| 5227271 | Electrophotographic photosensitive member | Toshihiro Kikuchi, Akihiro Senoo | 1993-07-13 |
| 5158847 | Electrophotographic photosensitive member comprising an azo pigment as a charge generating material | Shintetsu Go, Hajime Miyazaki | 1992-10-27 |
| 5027431 | Radio communication apparatus | Yuji Hirai | 1991-06-25 |