Issued Patents All Time
Showing 51–75 of 147 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8268521 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Hirofumi Nakamura, Mitsuhide Nakamura, Koji Bando, Kenny-Tuan Dinh, Giuseppa Baranyi +2 more | 2012-09-18 |
| 8263299 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Kaori Iemura, Hidemi Nukada, Kazuyuki Nakamura | 2012-09-11 |
| 8110328 | Electrophotographic photoreceptor, process cartridge and image forming apparatus | Wataru Yamada | 2012-02-07 |
| 8105739 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Yukiko Furushiro | 2012-01-31 |
| 8055153 | Image forming apparatus and process cartridge | Wataru Yamada, Yukiko Furushiro, Takayuki Yamashita | 2011-11-08 |
| 7842444 | Electrophotographic photoreceptor, process cartridge, image forming apparatus and coating composition | Masahiro Iwasaki, Wataru Yamada | 2010-11-30 |
| 7727692 | Electrophotographic photoreceptor, image forming apparatus, and process cartridge | Wataru Yamada | 2010-06-01 |
| 7585603 | Curable resin composition, electrophotographic photoreceptor, process cartridge, and image-forming apparatus | Wataru Yamada, Masahiro Iwasaki, Kenji Yao | 2009-09-08 |
| 7536134 | Image holding member and image forming apparatus | Yasuhiro Oda | 2009-05-19 |
| 7473503 | Electrophotographic photoreceptor, image-forming device, process cartridge and image-forming method | Wataru Yamada, Masahiro Iwasaki, Kenji Yao, Kazuhiro Koseki | 2009-01-06 |
| 7431996 | Polyester resin, functional device and organic electroluminescent device using polyester resin, and method of manufacturing organic electroluminescent device | Masahiro Iwasaki | 2008-10-07 |
| 7341813 | Electrophotographic photoreceptor, electrophotographic member, process cartridge and image forming apparatus | Satoshi Shigezaki, Hiroe Okuyama, Takahiro Suzuki, Eiji Funabashi | 2008-03-11 |
| 7205080 | Arylamine compound, charge transport material, electrophotographic photoreceptor, image forming apparatus and process cartridge | Masahiro Iwasaki, Mieko Seki | 2007-04-17 |
| 7175955 | Electrophotographic photoreceptor, electrophotographic process cartridge and image forming apparatus | Kenji Yao, Masahiro Iwasaki | 2007-02-13 |
| 7171152 | Image-forming apparatus and image-forming method | Hideyuki Akagi, Satoshi Shigezaki | 2007-01-30 |
| 7105257 | Electrophotographic photoreceptor, process cartridge and image forming apparatus | Wataru Yamada, Kazuhiro Koseki, Takayuki Yamashita, Masahiro Iwasaki, Takahiro Suzuki | 2006-09-12 |
| 7094511 | Electrophotographic photoreceptor, method for producing the same, image forming apparatus and process cartridge | Wataru Yamada, Kazuhiro Koseki, Masahiro Iwasaki, Takayuki Yamashita | 2006-08-22 |
| 7074540 | Image forming apparatus | Kazuhiro Koseki, Wataru Yamada, Takayuki Yamashita, Masahiro Iwasaki, Takahiro Suzuki +4 more | 2006-07-11 |
| 6986978 | Apparatus for forming image, process cartridge and process for regenerating the same | Wataru Yamada, Rie Ishii, Mieko Seki | 2006-01-17 |
| 6936387 | Electrophotographic photoreceptor, and electrophotographic process cartridge and electrophotographic apparatus using the same | Kenji Yao, Wataru Yamada, Kazuhiro Koseki | 2005-08-30 |
| 6933088 | Photoreceptor of electrophotographic system, process cartridge and image forming apparatus | Wataru Yamada, Kazuhiro Koseki | 2005-08-23 |
| 6887591 | Organic electroluminescence device | Wataru Yamada | 2005-05-03 |
| 6881528 | Image formation method | Katsumi Daimon, Takashi Imai, Wataru Yamada | 2005-04-19 |
| 6876371 | Image forming apparatus | Takahiro Suzuki, Taketoshi Hoshizaki, Mitsuhide Nakamura, Kazuhiro Koseki, Takayuki Yamashita +2 more | 2005-04-05 |
| 6741387 | Display element | Kiyoshi Shigehiro, Kiyokazu Mashimo, Kenji Yao, Hiroshi Miyamoto, Kyoko Nishikawa +5 more | 2004-05-25 |