Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8455172 | Toner, method for producing the same, and developer | Junichi Awamura, Hiroshi Yamashita, Teruki Kusahara, Tomomi Suzuki | 2013-06-04 |
| 8431304 | Toner and developer | Naohiro Watanabe, Osamu Uchinokura, Tomoyuki Satoh, Shinya Hanatani, Mamoru Hozumi | 2013-04-30 |
| 8293442 | Resin particle, toner, and image forming method and process cartridge using the same | Masaki Watanabe, Naohito Shimota, Hiroshi Yamashita, Naohiro Watanabe, Tsuneyasu Nagatomo +3 more | 2012-10-23 |
| 8288040 | High voltage electrolyte | John Muldoon, Gary Allred, Scott Michael Ankeney, Masaki Matsui, Anthony Dotse | 2012-10-16 |
| 8227164 | Toner, and developer, developer container, process cartridge, image forming apparatus and image forming method using the toner | Naohito Shimota, Hiroshi Yamashita, Satoshi Ogawa, Masana Shiba, Junichi Awamura +2 more | 2012-07-24 |
| 8178268 | Magenta toner and developer | Naohiro Watanabe, Shinichi Wakamatsu, Naohito Shimota, Hiroshi Yamashita, Masaki Watanabe +1 more | 2012-05-15 |
| 8163455 | Toner for image formation, method for producing toner, container containing toner, two-component developer, process cartridge, and image forming method | Naohiro Watanabe, Hiroshi Yamashita, Shinichi Wakamatsu | 2012-04-24 |
| 8114560 | Toner, image forming apparatus, image forming method, and process cartridge using the toner | Shinya Nakayama, Akihiro Kotsugai, Akiyoshi Sabu, Hiroshi Yamashita, Hiroshi Yamada +1 more | 2012-02-14 |
| 8110332 | Electrophotographic toner and method for producing the electrophotographic toner | Kazumi Suzuki, Yohichiroh Watanabe, Takahiro Honda, Yoshihiro Norikane, Shinji Ohtani | 2012-02-07 |
| 8017292 | Toner, as well as image forming apparatus and image forming method using the same | Akiyoshi Sabu, Akihiro Kotsugai, Shinya Nakayama, Hiroshi Yamashita, Hiroshi Yamada +1 more | 2011-09-13 |
| 8012660 | Image forming method and image forming apparatus | Hiroshi Yamashita, Takashi Fujita, Kazumi Suzuki | 2011-09-06 |
| 7968265 | Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus | Hiroshi Yamashita, Naohiro Watanabe, Shinichi Wakamatsu, Masaki Watanabe | 2011-06-28 |
| 7947419 | Toner, developer, and image forming method | Hiroshi Yamashita, Naohiro Watanabe, Shinichi Wakamatsu | 2011-05-24 |
| 7858280 | Toner and image forming method using the same | Hiroshi Yamashita, Hiroto Higuchi | 2010-12-28 |
| 7824835 | Toner, production method thereof, developer, toner container, process cartridge, image forming method, and image forming apparatus | Hiroshi Yamashita | 2010-11-02 |
| 7790343 | Process, toner, process cartridge and apparatus for developing a toner image | Kazumi Suzuki, Hiromitsu Takagaki, Takashi Fujita, Atsushi Nakafuji, Hiromi Tamura +3 more | 2010-09-07 |
| 7709174 | Toner, method of preparing the toner, and developer, image forming method, image forming apparatus, and process cartridge using the toner | Hiroshi Yamashita, Ryota Inoue, Yoshihiro Moriya, Shinichi Wakamatsu, Akihiro Kotsugai | 2010-05-04 |
| 7629099 | Toner, developer, image forming method, and toner container | Hiroshi Yamashita, Hiroto Higuchi, Yohichiroh Watanabe, Yasuhiro Shindo | 2009-12-08 |