Issued Patents All Time
Showing 25 most recent of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11249410 | Toner | Toru Takahashi, Daisuke Tsujimoto, Hiroki Watanabe, Yoshihiro Ogawa | 2022-02-15 |
| 10877391 | Magnetic carrier, two-component developer, replenishing developer, and image forming method | Ryuichiro Matsuo, Nobuyoshi Sugahara, Hironori Minagawa | 2020-12-29 |
| 10859936 | Magnetic carrier, two-component developer, replenishment developer, and image forming method | Nobuyoshi Sugahara, Ryuichiro Matsuo, Hironori Minagawa | 2020-12-08 |
| 10852653 | Magnetic carrier, two-component developer, developer for replenishment, and image forming method | Ryuichiro Matsuo, Nobuyoshi Sugahara, Hironori Minagawa | 2020-12-01 |
| 10838317 | Magnetic carrier, two-component developer, replenishing developer, and image forming method | Nobuyoshi Sugahara, Ryuichiro Matsuo, Hironori Minagawa | 2020-11-17 |
| 10768543 | Toner | Daisuke Tsujimoto, Toru Takahashi, Hiroki Watanabe, Yoshihiro Ogawa | 2020-09-08 |
| 10747132 | Toner | Toru Takahashi, Hiroki Watanabe, Yoshihiro Ogawa, Daisuke Tsujimoto | 2020-08-18 |
| 10551759 | Toner | Hiroki Watanabe, Toru Takahashi, Yoshihiro Ogawa, Daisuke Tsujimoto | 2020-02-04 |
| 10451985 | Toner | Toru Takahashi, Hiroki Watanabe, Yoshihiro Ogawa, Daisuke Tsujimoto | 2019-10-22 |
| 10409188 | Magnetic carrier, two-component developer, replenishing developer, and image forming method | Nobuyoshi Sugahara, Hironori Minagawa | 2019-09-10 |
| 10007206 | Magnetic carrier, two-component developer, replenishing developer, and image-forming method | Nobuyoshi Sugahara, Hironori Minagawa, Atsushi Nakano | 2018-06-26 |
| 9958809 | Magnetic carrier | Nobuyoshi Sugahara, Yuto Onozaki, Hironori Minagawa | 2018-05-01 |
| 9817327 | Toner | Toru Takahashi, Daisuke Tsujimoto, Yoshihiro Ogawa, Hiroki Watanabe | 2017-11-14 |
| 9785070 | Magnetic carrier, two-component developer, replenishment developer, and image formation method | Nobuyoshi Sugahara, Hironori Minagawa, Atsushi Nakano | 2017-10-10 |
| 9778598 | Magnetic carrier | Yuto Onozaki, Nobuyoshi Sugahara, Hironori Minagawa | 2017-10-03 |
| 9703216 | Toner using small-particle size magnetic iron oxide | Naohiko Tsuchida, Yoshihiro Ogawa, Toru Takahashi, Daisuke Tsujimoto | 2017-07-11 |
| 9606466 | Toner and two-component developer | Toru Takahashi, Yoshihiro Ogawa, Daisuke Tsujimoto | 2017-03-28 |
| 9599920 | Magnetic carrier and two-component developer | Nobuyoshi Sugahara, Hironori Minagawa, Yuto Onozaki | 2017-03-21 |
| 9541853 | Magnetic carrier, two-component developer, replenishing developer, and image forming method | Hironori Minagawa, Nobuyoshi Sugahara, Minoru Yoshifuku, Yuto Onozaki | 2017-01-10 |
| 9513571 | Magnetic carrier, two-component developer, developer for replenishment, and image forming method | Nobuyoshi Sugahara, Hironori Minagawa, Yuto Onozaki, Minoru Yoshifuku | 2016-12-06 |
| 9500975 | Magnetic carrier and two-component developer | Nobuyoshi Sugahara, Hironori Minagawa, Yuto Onozaki, Minoru Yoshifuku | 2016-11-22 |
| 9454094 | Magnetic toner | Daisuke Tsujimoto, Yoshihiro Ogawa, Toru Takahashi | 2016-09-27 |
| 9341973 | Magnetic carrier, two-component developer, developer for replenishment, and image forming method | Minoru Yoshifuku, Hironori Minagawa, Nobuyoshi Sugahara, Yuto Onozaki | 2016-05-17 |
| 9158217 | Toner | Toru Takahashi, Yoshihiro Ogawa, Daisuke Tsujimoto, Naohiko Tsuchida | 2015-10-13 |
| 7816063 | Color toner and two-component developer | Akira Hashimoto, Yojiro Hotta, Kazuhiko Hayami, Hirohide Tanikawa, Yasuhiro Ichikawa | 2010-10-19 |