Issued Patents All Time
Showing 26–50 of 152 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7718339 | Electrostatic image developing toner and image forming apparatus using the same | Ken Umehara | 2010-05-18 |
| 7713670 | Developer, and image forming method using the developer | Tomio Kondou, Masahide Yamashita, Kousuke Suzuki | 2010-05-11 |
| 7702271 | Fixing device, and image forming apparatus using the fixing device | Hiroshi Yamada, Fumihiro Sasaki, Shigeru Emoto, Jun Okamoto, Shinji Ohtani +7 more | 2010-04-20 |
| 7680429 | Charging device including charging roller and cleaning roller | Muraishi Takaya, Hiromichi Ninomiya, Atsushi Sampe, Yoshiyuki Kimura, Hiroyuki Nagashima +9 more | 2010-03-16 |
| 7676080 | Method of creating color chart for color evaluation, and information processing apparatus thereof | Tomohisa Itagaki, Nobuatsu Sasanuma, Toshio Saishoji, Satoshi Takayama, Miyoko Hayashi | 2010-03-09 |
| 7672635 | Method and apparatus for image forming and effectively applying lubricant to an image bearing member | Yoshiki Hozumi, Toshio Koike, Ken Amemiya, Masanori Kawasumi, Yuji Arai +5 more | 2010-03-02 |
| 7662532 | Image forming method and image forming apparatus | — | 2010-02-16 |
| 7633648 | Method and apparatus for calculating distances and reflection differences between measurement points on printed matter to evaluate image quality | Nobuatsu Sasanuma, Tomohisa Itagaki, Toshio Saishoji, Satoshi Takayama, Miyoko Hayashi | 2009-12-15 |
| 7626728 | Method and apparatus for calcuating color differences on measured evaluation charts to evaluate color reproducibility considering image homogeneity | Tomohisa Itagaki, Nobuatsu Sasanuma, Toshio Saishoji, Satoshi Takayama, Miyoko Hayashi | 2009-12-01 |
| 7608374 | Toner and developer using the toner | — | 2009-10-27 |
| 7587161 | Fixer and image forming apparatus | Hiroshi Yamada, Junichi Awamura, Tomomi Suzuki, Hiroto Higuchi, Naohito Shimota +2 more | 2009-09-08 |
| 7566521 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method | Akihiro Kotsugai, Satoshi Mochizuki, Hisashi Nakajima, Yasuo Asahina, Osamu Uchinokura +8 more | 2009-07-28 |
| 7563555 | Toner, developer including the toner, and method for fixing toner image | Yohichiroh Watanabe, Masanori Suzuki, Tsunemi Sugiyama, Hiroshi Yamashita, Takuya Saito +6 more | 2009-07-21 |
| 7547497 | Toner, and developer, image developer and image forming apparatus using the toner | Osamu Uchinokura, Hisashi Nakajima, Shinya Nakayama, Koichi Sakata, Akihiro Kotsugai +5 more | 2009-06-16 |
| 7541128 | Toner, developer including the toner, and method for fixing toner image | Yohichiroh Watanabe, Masanori Suzuki, Tsunemi Sugiyama, Hiroshi Yamashita, Takuya Saito +6 more | 2009-06-02 |
| 7539451 | Image forming apparatus and toner | Masanori Kawasumi, Haruji Mizuishi, Tokuya Ojimi, Toshio Koike, Takeshi Shintani +8 more | 2009-05-26 |
| 7531281 | Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the same | Tadao Takikawa, Tomoyuki Ichikawa, Fumihiro Sasaki, Toshiki Nanya, Hiroto Higuchi +4 more | 2009-05-12 |
| 7521164 | Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method | Shinya Nakayama, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Akihiro Kotsugai +17 more | 2009-04-21 |
| 7493075 | Cleaning device, process cartridge and image forming apparatus | Takeshi Shintani, Takuji Yoneda, Toshio Koike, Masato Yanagida, Naohiro Kumagai +5 more | 2009-02-17 |
| 7489891 | Image-forming apparatus, process cartridge and image-forming method | — | 2009-02-10 |
| 7477862 | Charged device, cleaning device, process cartridge, toner, and image-forming device that uses these | Muraishi Takaya, Hiromichi Ninomiya, Atsushi Sampe, Yoshiyuki Kimura, Hiroyuki Nagashima +9 more | 2009-01-13 |
| 7477856 | Method and apparatus for image forming capable of effectively preventing resonance of frequencies | Takuzi Yoneda, Hiroshi Ono, Masanori Kawasumi, Yuji Arai, Toshio Koike +5 more | 2009-01-13 |
| 7473508 | Toner, developer and image forming apparatus | Hiroto Higuchi, Fumihiro Sasaki, Shinichiro Yagi, Shigeru Emoto, Junichi Awamura +4 more | 2009-01-06 |
| 7435521 | Toner for developing electrostatic image | Shinichiro Yagi, Hiroshi Yamada, Hiroshi Yamashita, Naohiro Watanabe, Tsunemi Sugiyama +3 more | 2008-10-14 |
| 7437111 | Fixing device, and image forming apparatus using the fixing device | Hiroshi Yamada, Fumihiro Sasaki, Shigeru Emoto, Jun Okamoto, Shinji Ohtani +7 more | 2008-10-14 |