Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8932788 | Toner, developer, and image forming method | Hiroshi Yamashita, Naohiro Watanabe, Tsuyoshi Sugimoto | 2015-01-13 |
| 8673528 | Toner, developer, toner accommodating container, process cartridge and image forming method | Tsuyoshi Sugimoto, Hiroshi Yamashita, Naohiro Watanabe, Masaki Watanabe, Satoshi Ogawa +3 more | 2014-03-18 |
| 8557491 | Toner, developer, toner container, process cartridge, and image forming method | Tsuyoshi Sugimoto, Naohito Shimota, Hiroshi Yamashita, Naohiro Watanabe, Masaki Watanabe | 2013-10-15 |
| 8541020 | Polymeric hydrogel | Shuichi Sasahara, Kazuhiro Yosikawa, Takahiko Fujita | 2013-09-24 |
| 8486596 | Toner, image forming method, and process cartridge | Masaki Watanabe, Hiroshi Yamashita, Tsuyoshi Sugimoto, Naohiro Watanabe | 2013-07-16 |
| 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 |
| 8178268 | Magenta toner and developer | Naohiro Watanabe, Naohito Shimota, Hiroshi Yamashita, Tsuyoshi Sugimoto, 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, Tsuyoshi Sugimoto | 2012-04-24 |
| 8137883 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container | Ryota Inoue, Shigeru Emoto, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh +4 more | 2012-03-20 |
| 7989131 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container | Ryota Inoue, Shigeru Emoto, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh +4 more | 2011-08-02 |
| 7968265 | Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus | Tsuyoshi Sugimoto, Hiroshi Yamashita, Naohiro Watanabe, Masaki Watanabe | 2011-06-28 |
| 7947419 | Toner, developer, and image forming method | Tsuyoshi Sugimoto, Hiroshi Yamashita, Naohiro Watanabe | 2011-05-24 |
| 7820350 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method | Masahide Yamada, Shigeru Emoto, Naohiro Watanabe, Masahiro Ohki, Akinori Saitoh | 2010-10-26 |
| 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, Ryota Inoue, Yoshihiro Moriya, 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, Ryota Inoue, Naohiro Watanabe, Shigeru Emoto, Masahiro Ohki +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 |
| 7504188 | Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same | Masahide Yamada, Ryota Inoue, Naohiro Watanabe, Shigeru Emoto, Masahiro Ohki +9 more | 2009-03-17 |
| 5957381 | Fuel injection nozzle | Yasuhiro Tabata, Kinji Takahashi | 1999-09-28 |