Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8268526 | Toner, developer and image forming apparatus | Hiroto Higuchi, Fumihiro Sasaki, Shinichiro Yagi, Junichi Awamura, Naohito Shimota +4 more | 2012-09-18 |
| 8187784 | Toner composition and method for manufacturing the toner composition | Hiroshi Yamashita, Masami Tomita, Tsunemi Sugiyama | 2012-05-29 |
| 8137883 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container | Ryota Inoue, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh, Masahiro Ohki +4 more | 2012-03-20 |
| 8124308 | Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method | Naohiro Watanabe, Yohichiroh Watanabe, Masahide Yamada, Tsunemi Sugiyama, Masahiro Ohki +4 more | 2012-02-28 |
| 8026031 | Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method | Naohiro Watanabe, Yohichiroh Watanabe, Masahide Yamada, Tsunemi Sugiyama, Masahiro Ohki +4 more | 2011-09-27 |
| 7989131 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container | Ryota Inoue, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh, Masahiro Ohki +4 more | 2011-08-02 |
| 7939238 | Dry toner and method of preparing same | Hiroshi Yamashita, Tsunemi Sugiyama, Masami Tomita | 2011-05-10 |
| 7879523 | Toner composition and method for manufacturing the toner composition | Hiroshi Yamashita, Masami Tomita, Tsunemi Sugiyama | 2011-02-01 |
| 7820350 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method | Masahide Yamada, Naohiro Watanabe, Masahiro Ohki, Akinori Saitoh, Shinichi Wakamatsu | 2010-10-26 |
| 7736826 | Toner, developer and image forming apparatus | Hiroto Higuchi, Fumihiro Sasaki, Shinichiro Yagi, Junichi Awamura, Naohito Shimota +4 more | 2010-06-15 |
| 7702271 | Fixing device, and image forming apparatus using the fixing device | Hiroshi Yamada, Fumihiro Sasaki, Jun Okamoto, Shinji Ohtani, Hiroto Higuchi +7 more | 2010-04-20 |
| 7695883 | Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same | Masahide Yamada, Ryota Inoue, Naohiro Watanabe, Masahiro Ohki, Akinori Saitoh +9 more | 2010-04-13 |
| 7666563 | Toner and developer using the toner | Masahiro Ohki, Naohiro Watanabe, Ryota Inoue, Masahide Yamada, Akinori Saitoh +2 more | 2010-02-23 |
| 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 |
| 7550245 | Toner and production method of the same, and image forming method | Ryota Inoue, Yohichiroh Watanabe, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh +2 more | 2009-06-23 |
| 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 |
| 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 | Masami Tomita, Tadao Takikawa, Tomoyuki Ichikawa, Fumihiro Sasaki, Toshiki Nanya +4 more | 2009-05-12 |
| 7531279 | Toner manufacturing method, toner and developer | Naohiro Watanabe, Chiaki Tanaka, Masahide Yamada, Akinori Saitoh, Masahiro Ohki +1 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 |
| 7504188 | Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same | Masahide Yamada, Ryota Inoue, Naohiro Watanabe, Masahiro Ohki, Akinori Saitoh +9 more | 2009-03-17 |
| 7473508 | Toner, developer and image forming apparatus | Hiroto Higuchi, Fumihiro Sasaki, Shinichiro Yagi, Junichi Awamura, Naohito Shimota +4 more | 2009-01-06 |
| 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 |
| 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, Jun Okamoto, Shinji Ohtani, Hiroto Higuchi +7 more | 2008-10-14 |
| 7429442 | Toner, and two component developer and image forming apparatus using the toner | Takahiro Honda, Masami Tomita, Toshiki Nanya, Fumihiro Sasaki, Hiroto Higuchi +5 more | 2008-09-30 |