Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7709174 | Toner, method of preparing the toner, and developer, image forming method, image forming apparatus, and process cartridge using the toner | Tsuyoshi Sugimoto, Hiroshi Yamashita, Yoshihiro Moriya, Shinichi Wakamatsu, Akihiro Kotsugai | 2010-05-04 |
| 7695883 | Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same | Masahide Yamada, Naohiro Watanabe, Shigeru Emoto, Masahiro Ohki, Akinori Saitoh +9 more | 2010-04-13 |
| 7666563 | Toner and developer using the toner | Masahiro Ohki, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh, Shigeru Emoto +2 more | 2010-02-23 |
| 7550245 | Toner and production method of the same, and image forming method | Shigeru Emoto, Yohichiroh Watanabe, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh +2 more | 2009-06-23 |
| 7531279 | Toner manufacturing method, toner and developer | Naohiro Watanabe, Shigeru Emoto, Chiaki Tanaka, Masahide Yamada, Akinori Saitoh +1 more | 2009-05-12 |
| 7504188 | Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same | Masahide Yamada, Naohiro Watanabe, Shigeru Emoto, Masahiro Ohki, Akinori Saitoh +9 more | 2009-03-17 |
| 7459255 | Toner and developer, toner container, process cartridge, image-forming apparatus, and image-forming method using the same | Chiaki Tanaka, Naohiro Watanabe, Masahiro Ohki, Masahide Yamada, Akinori Saitoh +2 more | 2008-12-02 |
| 7449273 | Toner containing unsaturated polyester in binder resin, method for preparing the toner, and developer including the toner | Masahiro Ohki, Naohiro Watanabe, Akinori Saitoh, Sonoh Matsuoka, Masahide Yamada +1 more | 2008-11-11 |