Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9772596 | Image forming apparatus and electrophotographic photosensitive member | Takahiro Mitsui, Tomohisa Itagaki, Koji Takahashi, Yasuhiro Kawai, Tsutomu Nishida +1 more | 2017-09-26 |
| 9575422 | Method of producing electrophotographic photosensitive member, method of producing organic device, and emulsion for charge transporting layer | Atsushi Okuda, Keiko Yamagishi, Harunobu Ogaki, Yohei Miyauchi, Kimihiro Yoshimura | 2017-02-21 |
| 9494882 | Method of producing electrophotographic photosensitive member | Keiko Yamagishi, Harunobu Ogaki, Kimihiro Yoshimura, Yohei Miyauchi, Atsushi Okuda | 2016-11-15 |
| 9436107 | Method of producing electrophotographic photosensitive member, and emulsion for a charge transporting layer | Takeshi Murakami, Akihiro Maruyama, Harunobu Ogaki, Atsushi Okuda | 2016-09-06 |
| 9341964 | Process for producing electrophotographic photosensitive member | Harunobu Ogaki, Keiko Yamagishi, Atsushi Okuda, Yohei Miyauchi, Kimihiro Yoshimura | 2016-05-17 |
| 9282615 | Methods for producing electrophotographic photosensitive member and organic device each having charge transporting layer | Keiko Yamagishi, Atsushi Okuda, Kimihiro Yoshimura, Harunobu Ogaki, Yohei Miyauchi | 2016-03-08 |
| 9280071 | Method of producing electrophotographic photosensitive member, and emulsion for a charge transporting layer | Akihiro Maruyama, Atsushi Okuda, Takeshi Murakami, Harunobu Ogaki | 2016-03-08 |
| 9114565 | Process for forming uneven structure on surface of surface layer of cylindrical electrophotographic photosensitive member, and process for producing cylindrical electrophotographic photosensitive member having uneven structure formed on surface of surface layer of same | Yasuhiro Kawai, Harunobu Ogaki, Koji Takahashi, Tsutomu Nishida | 2015-08-25 |
| 8843024 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Harunobu Ogaki, Atsushi Ochi, Yasuhiro Kawai, Koji Takahashi, Shio Murai | 2014-09-23 |
| 8457528 | Electrophotographic apparatus | Atsushi Ochi, Harunobu Ogaki, Yasuhiro Kawai, Koji Takahashi, Shio Murai | 2013-06-04 |
| 7972551 | Method of producing solid body having depressed portions on its surface and method of producing electrophotographic photosensitive member | Atsushi Ochi, Harunobu Ogaki | 2011-07-05 |
| 7901855 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Harunobu Ogaki, Atsushi Ochi | 2011-03-08 |
| 7875410 | Electrophotographic photosensitive member having siloxane-polyester, process cartridge and electrophotographic apparatus | Harunobu Ogaki, Atsushi Ochi | 2011-01-25 |
| 7749667 | Image forming method, and electrophotographic apparatus making use of the image forming method | Masataka Kawahara, Akio Maruyama, Harunobu Ogaki, Atsushi Ochi, Akira Shimada +4 more | 2010-07-06 |
| 7718331 | Electrophotographic photosensitive member with depressed portions, process cartridge holding the electrophotographic photosensitive member and electrophotographic apparatus with the electrophotographic photosensitive member | Harunobu Ogaki, Masataka Kawahara, Atsushi Ochi, Akira Shimada, Akio Maruyama +4 more | 2010-05-18 |
| 7629102 | Method for preparing electrophotographic photosensitive member | Atsushi Ochi, Harunobu Ogaki, Kazunori Noguchi, Masataka Kawahara | 2009-12-08 |
| 7622238 | Process for producing electrophotographic photosensitive member | Akira Shimada, Masataka Kawahara, Harunobu Ogaki, Atsushi Ochi, Akio Maruyama +4 more | 2009-11-24 |
| 7563553 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Toshihiro Kikuchi, Akio Maruyama | 2009-07-21 |
| 7556901 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Takashi Anezaki, Harunobu Ogaki, Masataka Kawahara, Atsushi Ochi, Kyoichi Teramoto +6 more | 2009-07-07 |
| 7551878 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Harunobu Ogaki, Masataka Kawahara, Atsushi Ochi, Kyoichi Teramoto, Akira Shimada +4 more | 2009-06-23 |
| 7534534 | Electrophotographic Photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Koichi Nakata, Akira Shimada, Tatsuya Ikezue, Takahiro Mitsui, Shuji Ishii +2 more | 2009-05-19 |
| 7378205 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Michiyo Sekiya, Shuji Ishii | 2008-05-27 |
| 7226711 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Shoji Amamiya, Koichi Nakata, Tatsuya Ikezue, Takahiro Mitsui, Akira Shimada +2 more | 2007-06-05 |
| 7186489 | Electrophotographic photosensitive member, electrophotographic photosensitive member manufacturing process, process cartridge, and electrophotographic apparatus | Tatsuya Ikezue, Akira Shimada, Takahiro Mitsui, Koichi Nakata, Shuji Ishii +2 more | 2007-03-06 |
| 6436597 | ELECTROPHOTOGRAPHIC PHOTOSENSITVE MEMBER, PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS WHICH HAVE THE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER | Akio Maruyama, Shoji Amamiya, Michiyo Sekiya | 2002-08-20 |