Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12346062 | Toner, toner storage unit, image forming apparatus and method of forming image | Toshihiko SUGIYAMA, Junichi Watanabe, Yuka Mizoguchi, Hiroshi Yamashita, Kazuoki Fuwa | 2025-07-01 |
| 11796931 | Toner, method for manufacturing toner, developer, toner accommodating unit, image forming apparatus, and image forming method | Akio Takei, Takahiro Honda, Tsukiko TAKAHASHI | 2023-10-24 |
| 11079700 | Image forming apparatus and image forming method | Keiji Makabe, Kohsuke Satoh, Daichi Hisakuni, Kousuke Suzuki, Shintaro Akiyama | 2021-08-03 |
| 11061345 | Toner, toner stored unit, developer, developer stored unit, and image forming apparatus | Kohsuke Satoh, Keiji Makabe, Daichi Hisakuni | 2021-07-13 |
| 11054757 | Toner, image forming apparatus, image forming method, and process cartridge | Yohichi Kitagawa, Keiji Makabe, Yuka Mizoguchi, Shinya Nakayama | 2021-07-06 |
| 10295919 | Toner, developer, toner storage unit, and image forming apparatus | Keiji Makabe, Kohsuke Satoh, Kenji Yoneda | 2019-05-21 |
| 9891548 | Image forming method, toner, and image forming apparatus | Takamasa Hase, Yukiko Iwasaki, Minoru Masuda, Kenji Yoneda | 2018-02-13 |
| 9804516 | Toner, developer, image forming apparatus, and process cartridge | Keiji Makabe, Kohsuke Satoh, Junichi Watanabe, Kenji Yoneda, Daichi Hisakuni | 2017-10-31 |
| 9791794 | Toner, developer, and image forming apparatus | Junichi Watanabe, Kenji Yoneda, Kohsuke Satoh, Keiji Makabe, Daichi Hisakuni | 2017-10-17 |
| 9523931 | Toner, developer and image forming apparatus | Satoshi Kojima, Junichi Awamura, Shingo Sakashita, Tomoki Murayama, Masaya Fukuda | 2016-12-20 |
| 9291931 | Electrostatic charge image developing toner | Junichi Awamura, Satoshi Kojima, Shingo Sakashita, Tomoki Murayama, Masaya Fukuda | 2016-03-22 |
| 9274445 | Toner set, developer set, and image forming apparatus | Junichi Awamura, Teruki Kusahara, Satoshi Ogawa, Daisuke Ito, Daisuke Inoue +4 more | 2016-03-01 |
| 9086647 | Developing device that suppresses hysteresis | Shingo Sakashita, Junichi Awamura, Satoshi Kojima, Tomoki Murayama | 2015-07-21 |
| 9069288 | Toner housing container and image forming apparatus | Satoshi Kojima, Junichi Awamura, Shingo Sakashita, Tomoki Murayama, Masaya Fukuda +6 more | 2015-06-30 |
| 9042802 | Image forming apparatus | Takamasa Hase, Shinya Nakayama, Atsushi Yamamoto, Hideyuki Santo, Minoru Masuda +1 more | 2015-05-26 |
| 9023570 | Toner, developer, and image forming apparatus | Masana Shiba, Ryuta Chiba | 2015-05-05 |
| 9005864 | Toner, two-component developer and image forming apparatus | Syouko Satoh, Satoshi Kojima, Osamu Uchinokura, Junichi Awamura, Daisuke Ito +4 more | 2015-04-14 |
| 8956795 | Toner for developing electrostatic image, two-component developer and image forming apparatus | Satoshi Kojima, Syouko Satoh, Osamu Uchinokura, Junichi Awamura, Satoshi Ogawa +6 more | 2015-02-17 |
| 8785093 | Image forming toner, and developer and process cartridge using the toner | Toyoshi Sawada, Tomomi Suzuki, Satoshi Kojima | 2014-07-22 |
| 8748071 | Image forming method, toner and image forming apparatus | Satoshi Kojima, Toyoshi Sawada | 2014-06-10 |
| 8703375 | Toner, method for forming toner, developer, and image forming method | Naohito Shimota, Takahiro Honda, Ryuta Chiba | 2014-04-22 |
| 8614043 | Toner | Masaki Watanabe, Osamu Uchinokura, Junichi Awamura, Takahiro Honda, Satoshi Ogawa +1 more | 2013-12-24 |
| 8435716 | Method for producing toner, toner, and image forming method using the same | Masaki Watanabe, Osamu Uchinokura, Takahiro Honda, Ryuta Chiba | 2013-05-07 |
| 8377620 | Image forming apparatus, image forming method, and toner for image forming apparatus | Toyoshi Sawada, Satoshi Kojima | 2013-02-19 |
| 8293442 | Resin particle, toner, and image forming method and process cartridge using the same | Masaki Watanabe, Naohito Shimota, Hiroshi Yamashita, Naohiro Watanabe, Tsuyoshi Sugimoto +3 more | 2012-10-23 |