Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10494317 | Dehydrogenation catalyst for alkylaromatic compound, process for producing same, and dehydrogenation method using same | Nobuaki Kodakari, Shinya Hirahara, Yuma Kuraguchi | 2019-12-03 |
| 8768227 | Developing member including elastic member containing cured product of addition-curing silicone rubber mixture, processing cartridge including the developing member, and electrophotographic apparatus including the developing member | Shohei Urushihara, Minoru Nakamura, Kunimasa Kawamura, Masaki Yamada | 2014-07-01 |
| 8655238 | Developing member | Masashi Uno, Shohei Urushihara, Ryo Sugiyama | 2014-02-18 |
| 8600273 | Developing roller, process cartridge, and electrophotographic apparatus | Masaki Yamada, Kunimasa Kawamura, Yuji Sakurai, Toru Ishii | 2013-12-03 |
| 8529806 | Process for producing regenerated elastic roller | Kunimasa Kawamura, Shohei Urushihara | 2013-09-10 |
| 7979004 | Electrophotographic belt, production method of electrophotographic belt, and electrophotographic apparatus | Atsushi Tanaka, Hidekazu Matsuda, Yuji Sakurai, Akihiko Nakazawa | 2011-07-12 |
| 7570905 | Developing roller, developing apparatus using the same, and image forming apparatus | Ryota Kashiwabara, Minoru Nakamura | 2009-08-04 |
| 7352984 | Electrophotographic endless belt, electrophotographic apparatus having electrophotographic endless belt, and process for producing electrophotographic endless belt | Hidekazu Matsuda, Akihiko Nakazawa, Atsushi Tanaka, Yuji Sakurai | 2008-04-01 |
| 7208211 | Electrophotographic belt member, process for producing electrophotographic belt member, and electrophotographic apparatus | Atsushi Tanaka, Akihiko Nakazawa, Tsunenori Ashibe, Hidekazu Matsuda | 2007-04-24 |
| 7201967 | Electrophotographic endless belt, process for producing electrophotographic endless belt, and electrophotographic apparatus | Yuji Sakurai, Akihiko Nakazawa, Atsushi Tanaka, Hidekazu Matsuda | 2007-04-10 |
| 6928256 | Electrophotographic endless belt, process cartridge, and electrophotographic apparatus | Hidekazu Matsuda, Akihiko Nakazawa, Atsushi Tanaka, Tsunenori Ashibe | 2005-08-09 |
| 6856776 | Endless belt comprising a meandering-prevention member, and a process cartridge and an electrophotographic apparatus using such an endless belt | Hidekazu Matsuda, Hiroyuki Kobayashi, Akihiko Nakazwa, Atsushi Tanaka, Tsunenori Ashibe +2 more | 2005-02-15 |
| 6853824 | Electrophotographic endless belt comprising meandering-preventive member, and process cartridge and electrophotographic apparatus having such an endless belt | Ryota Kashiwabara, Hiroyuki Kobayashi, Akihiko Nakazawa, Atsushi Tanaka, Tsunenori Ashibe +2 more | 2005-02-08 |
| 6852400 | Endless belt electrophotography, process for producing the endless belt, and image forming apparatus having the endless belt | Akihiko Nakazawa, Hiroyuki Kobayashi, Minoru Shimojo, Akira Shimada, Atsushi Tanaka +2 more | 2005-02-08 |
| 6795667 | Process cartridge and electrophotographic apparatus having an intermediate transfer belt | Akihiko Nakazawa, Hiroyuki Kobayashi, Atsushi Tanaka, Tsunenori Ashibe, Hidekazu Matsuda +1 more | 2004-09-21 |
| 6775494 | Process cartridge, image forming apparatus and intermediate transfer belt | Hiroyuki Kobayashi, Akihiko Nakazawa, Atsushi Tanaka, Tsunenori Ashibe, Hidekazu Matsuda | 2004-08-10 |
| 6766127 | Image forming apparatus having process cartridge with intermediate transfer belt | Atsushi Tanaka, Hiroyuki Kobayashi, Akihiko Nakazawa, Tsunenori Ashibe, Hidekazu Matsuda +1 more | 2004-07-20 |
| 6737133 | Electrophotographic seamless belt, and electrophotographic apparatus having the electrophotographic seamless belt | Akihiko Nakazawa, Akira Shimada, Atsushi Tanaka, Tsunenori Ashibe, Hidekazu Matsuda | 2004-05-18 |
| 6725002 | Process cartridge, electrophotographic apparatus and image forming method | Yuji Sakurai, Hiroyuki Kobayashi, Akihiko Nakazawa, Atsushi Tanaka, Tsunenori Ashibe +1 more | 2004-04-20 |
| 6718148 | Process cartridge, electrophotographic apparatus and image-forming method | Hiroyuki Kobayashi, Akihiko Nakazawa, Atsushi Tanaka, Tsunenori Ashibe, Hidehiko Matsuda +1 more | 2004-04-06 |
| 6704535 | Fiber-reinforced intermediate transfer member for electrophotography, and electrophotographic apparatus including same | Hiroyuki Kobayashi, Akihiko Nakazawa, Atsushi Tanaka, Tsunenori Ashibe | 2004-03-09 |
| 6674989 | Endless belt with serpentine motion preventing member and image forming apparatus including same | Akihiko Nakazawa, Akira Shimada, Tsunenori Ashibe, Hidekazu Matsuda | 2004-01-06 |
| 6615015 | Process cartridge, electrophotographic apparatus and image-forming method | Akihiko Nakazawa, Hiroyuki Kobayashi, Atsushi Tanaka, Tsunenori Ashibe, Hidekazu Matsuda | 2003-09-02 |
| 6600893 | Transfer member, process for producing transfer member, and image forming apparatus having transfer member | Tsunenori Ashibe, Hiroyuki Kobayashi, Akihiko Nakazawa, Atsushi Tanaka, Hidekazu Matsuda | 2003-07-29 |
| 6592803 | Process for producing belt-shaped member from a die-extruded film having a film thickness, die gap relationship | Akihiko Nakazawa, Hiroyuki Kobayashi, Minoru Shimojo, Akira Shimada, Atsushi Tanaka +2 more | 2003-07-15 |