Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9188886 | Image holding member for image forming apparatus, process cartridge, and image forming apparatus | Hidekazu Hirose, Katsuhiro Sato | 2015-11-17 |
| 8741527 | Liquid developer, developer cartridge, process cartridge, image forming apparatus, and image forming method | Yoshihiro Inaba, Akira Imai, Daisuke Yoshino, Takako Kobayashi, Koji Horiba +2 more | 2014-06-03 |
| 8741515 | Image holding member for image forming apparatus, process cartridge, and image forming apparatus | Hidekazu Hirose, Katsuhiro Sato | 2014-06-03 |
| 8673531 | Liquid developer, process cartridge, image forming apparatus, and image forming method | Yoshihiro Inaba, Akira Imai, Daisuke Yoshino, Takako Kobayashi, Koji Horiba | 2014-03-18 |
| 8658338 | Toner, liquid developer, dry developer, developer cartridge, process cartridge, image forming apparatus, and image forming method | Koji Horiba, Takahiro Ishizuka, Yoshihiro Inaba, Akira Imai, Takako Kobayashi +2 more | 2014-02-25 |
| 8563209 | Liquid developer, developer cartridge, image forming method, and image forming apparatus | Koji Horiba, Yoshihiro Inaba, Akira Imai, Takako Kobayashi, Daisuke Yoshino +1 more | 2013-10-22 |
| 8475984 | Image holding member for image forming apparatus, process cartridge, and image forming apparatus | Hidekazu Hirose, Katsuhiro Sato | 2013-07-02 |
| 8304154 | Particle dispersion liquid, particles, particle dispersion liquid cartridge, process cartridge, image forming apparatus, and image forming method | Takako Kobayashi, Yoshihiro Inaba, Masahiro Takamatsu | 2012-11-06 |
| 8129084 | Liquid developer, method for producing liquid developer, and image forming apparatus | Yoshihiro Inaba, Takako Kobayashi | 2012-03-06 |
| 8095027 | Image forming device and process cartridge | Keitaro Mori, Yasuaki Watanabe | 2012-01-10 |
| 8088458 | Magnetic latent image holding body, process cartridge, and image forming apparatus | Yasuaki Watanabe, Keitaro Mori | 2012-01-03 |
| 8090299 | Developer supply device, process cartridge, and image forming apparatus | Keitaro Mori, Yasuaki Watanabe | 2012-01-03 |
| 7973118 | Ink receiving particles, method for producing the same, and curable resin dispersion composition | Yoshihiro Inaba, Kentaro Ageishi, Takako Kobayashi | 2011-07-05 |
| 7867684 | Liquid developer, process cartridge, and image forming apparatus | Yasuaki Watanabe, Keitaro Mori | 2011-01-11 |
| 6020426 | Charge-transporting copolymer, method of forming charge-transporting copolymer, electrophotographic photosensitive body, and electrophotographic device | Yasuhiro Yamaguchi, Fumiaki Tambo, Taketoshi Hoshizaki, Yasuo Sakaguchi, Masakazu Iijima +1 more | 2000-02-01 |
| 6002901 | Electrophotographic photoreceptor and electrophotographic apparatus | Taketoshi Hoshizaki, Yashuhiro Yamaguchi, Yasuo Sakaguchi | 1999-12-14 |
| 5942361 | Electrophotographic photosensitive member having S-type photo-induced potential decay and electrophotographic apparatus | Taketoshi Hoshizaki, Yasuo Sakaguchi, Yasuhiro Yamaguchi | 1999-08-24 |
| 5834146 | Electrophotographic photoreceptor containing uniform and nonuniform charge transporting layers | Taketoshi Hoshizaki, Yasuhiro Yamaguchi, Yasuo Sakaguchi | 1998-11-10 |
| 5759726 | Electrographic photosensitive member | Fumiaki Tambo, Katsumi Daimon, Masakazu Iijima, Kazuo Yamasaki, Yasuhiro Yamaguchi | 1998-06-02 |
| 5643703 | Hydroxygallium phthalocyanine crystal, process for preparing same, and electrophotographic photoreceptor comprising same | Katsumi Daimon, Katsumi Nukada, Yasuo Sakaguchi | 1997-07-01 |
| 5604064 | Charge-transporting polymer and organic electronic device using the same | Katsumi Nukada, Akira Imai, Masahiro Iwasaki | 1997-02-18 |
| 5587263 | Electrophotographic photoreceptor using triarylamine compounds | Katsumi Nukada, Akira Imai | 1996-12-24 |
| 5545733 | Method for preparing hydroxygallium phthalocyanine crystals and electrophotographic photoreceptor using the crystals | Katsumi Daimon, Katsumi Nukada, Yasuo Sakaguchi | 1996-08-13 |
| 5516609 | Methoxy gallium phthalocyanine compound and electrophotographic photoreceptor using it | Katsumi Daimon | 1996-05-14 |
| 5508395 | Hydroxygallium phthalocyanine crystal, process for preparing same | Katsumi Daimon, Katsumi Nukada, Yasuo Sakaguchi | 1996-04-16 |