Issued Patents All Time
Showing 1–25 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10274853 | Toner, developer, toner housing unit and image forming apparatus | Takayuki Itoh, Takahiro Honda, Shingo Sakashita, Daisuke Inoue, Rintaro Takahashi +1 more | 2019-04-30 |
| 9989869 | Toner, toner stored unit, and image forming apparatus | Daisuke Inoue, Ryota Inoue, Masana Shiba, Junichi Awamura, Shingo Sakashita +4 more | 2018-06-05 |
| 9857709 | Toner and developer | Tsuyoshi Sugimoto, Mamoru Hozumi, Tomoyuki Sato, Shinya Hanatani | 2018-01-02 |
| 8999618 | Toner set, developer set, and image forming apparatus | Ryuuta Yoshida, Satoshi Ogawa, Masaki Watanabe, Hyo Shu | 2015-04-07 |
| 8932788 | Toner, developer, and image forming method | Shinichi Wakamatsu, Hiroshi Yamashita, Tsuyoshi Sugimoto | 2015-01-13 |
| 8911924 | Toner and method for producing the same | Tomoyuki Sato, Tsuyoshi Sugimoto, Shinya Hanatani, Mamoru Hozumi | 2014-12-16 |
| 8835086 | Electrostatic image developing toner | Naohito Shimota, Yasuaki Iwamoto, Masana Shiba, Satoshi Kojima | 2014-09-16 |
| 8758968 | Toner, production method thereof, developer and image forming method | Tsuyoshi Sugimoto, Shinya Hanatani, Mamoru Hozumi, Osamu Uchinokura | 2014-06-24 |
| 8741521 | Toner, developer, image forming method and image forming apparatus | Mamoru Hozumi, Tsuyoshi Sugimoto, Tomoyuki Satoh, Shinya Hanatani, Osamu Uchinokura +1 more | 2014-06-03 |
| 8673528 | Toner, developer, toner accommodating container, process cartridge and image forming method | Tsuyoshi Sugimoto, Hiroshi Yamashita, Shinichi Wakamatsu, 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, Shinichi Wakamatsu, Masaki Watanabe | 2013-10-15 |
| 8486596 | Toner, image forming method, and process cartridge | Masaki Watanabe, Hiroshi Yamashita, Tsuyoshi Sugimoto, Shinichi Wakamatsu | 2013-07-16 |
| 8431304 | Toner and developer | Tsuyoshi Sugimoto, 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, Tsuneyasu Nagatomo, Tsuyoshi Sugimoto +3 more | 2012-10-23 |
| 8178268 | Magenta toner and developer | Shinichi Wakamatsu, 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 | Hiroshi Yamashita, Shinichi Wakamatsu, Tsuyoshi Sugimoto | 2012-04-24 |
| 8137883 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container | Ryota Inoue, Shigeru Emoto, 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 | Shigeru Emoto, Yohichiroh Watanabe, Masahide Yamada, Tsunemi Sugiyama, Masahiro Ohki +4 more | 2012-02-28 |
| 8076051 | Method for preparing resin and particulate material, toner prepared by the method, developer including the toner, toner container, and process cartridge, image forming method and apparatus using the developer | Takuya Saito, Chiaki Tanaka, Masayuki Ishii, Kei Naitoh | 2011-12-13 |
| 8043778 | Toner, method for preparing the toner, and image forming apparatus using the toner | Tsuneyasu Nagatomo, Osamu Uchinokura, Satoshi Kojima | 2011-10-25 |
| 8034524 | Toner and image forming method using the toner | Ryota Inoue, Sonoh Matsuoka, Chiaki Tanaka, Masahide Yamada, Masahiro Ohki +1 more | 2011-10-11 |
| 8029960 | Toner for developing electrostatic latent image, and image forming apparatus and process cartridge using the toner | Tsuneyasu Nagatomo, Osamu Uchinokura, Satoshi Kojima | 2011-10-04 |
| 8026031 | Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method | Shigeru Emoto, Yohichiroh Watanabe, Masahide Yamada, Tsunemi Sugiyama, Masahiro Ohki +4 more | 2011-09-27 |
| 8007977 | Toner and image forming method using the toner | Ryota Inoue, Sonoh Matsuoka, Chiaki Tanaka, Masahide Yamada, Masahiro Ohki +1 more | 2011-08-30 |
| 7989131 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container | Ryota Inoue, Shigeru Emoto, Masahide Yamada, Akinori Saitoh, Masahiro Ohki +4 more | 2011-08-02 |