Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12314003 | Electrostatic image developing toner and electrostatic image developer | Daisuke Noguchi, Yoshimasa Fujihara, Atsushi Sugawara, Satoshi Miura | 2025-05-27 |
| 12189334 | Electrostatic charge image developing toner and electrostatic charge image developer | Satoshi Miura, Yoshimasa Fujihara, Atsushi Sugawara, Daisuke Noguchi | 2025-01-07 |
| 12117769 | Method for producing recycled carrier, method for producing recycled electrostatic charge image developer, image forming method, and recycled carrier | Takeshi Tanabe, Yosuke Tsurumi | 2024-10-15 |
| 12050433 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus | Yoshimasa Fujihara, Atsushi Sugawara, Daisuke Noguchi, Satoshi Miura | 2024-07-30 |
| 12013661 | Method for producing carrier for electrostatic charge image development, method for producing electrostatic charge image developer, image forming method, and carrier for electrostatic charge image development | Takeshi Tanabe | 2024-06-18 |
| 11906928 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus | Yoshimasa Fujihara, Atsushi Sugawara, Daisuke Noguchi, Satoshi Miura | 2024-02-20 |
| 11829103 | Electrostatic image developing toner, electrostatic image developer, and toner cartridge | Daisuke Noguchi, Atsushi Sugawara, Yoshimasa Fujihara, Satoshi Miura | 2023-11-28 |
| 11809130 | Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Atsushi Sugawara, Yoshimasa Fujihara, Daisuke Noguchi, Satoshi Miura | 2023-11-07 |
| 11747744 | Electrostatic charge image developing carrier, electrostatic charge image developer, and image forming apparatus | Jumpei IWASAKI, Yasuo Kadokura, Kazutsuna SASAKI, Satoshi Miura | 2023-09-05 |
| 11733618 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Satoshi Miura, Daisuke Noguchi, Yoshimasa Fujihara, Atsushi Sugawara | 2023-08-22 |
| 11698593 | Toner for electrostatic image development, electrostatic image developer, and toner cartridge | Yoshimasa Fujihara, Atsushi Sugawara, Daisuke Noguchi, Satoshi Miura | 2023-07-11 |
| 11693330 | Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Yoshimasa Fujihara, Atsushi Sugawara, Daisuke Noguchi, Satoshi Miura | 2023-07-04 |
| 11675284 | Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Yoshimasa Fujihara, Atsushi Sugawara, Daisuke Noguchi, Satoshi Miura | 2023-06-13 |
| 11561483 | Electrostatic charge image developing carrier, electrostatic charge image developer, and image forming apparatus | Kazutsuna SASAKI, Yasuo Kadokura, Satoshi Miura, Jumpei IWASAKI | 2023-01-24 |
| 11550236 | Toner for electrostatic image development, electrostatic image developer, and toner cartridge | Yoshimasa Fujihara, Atsushi Sugawara, Daisuke Noguchi, Satoshi Miura | 2023-01-10 |
| 11353803 | Toner for electrostatic image development, electrostatic image developer, and toner cartridge | Atsushi Sugawara, Yoshimasa Fujihara, Daisuke Noguchi, Satoshi Miura | 2022-06-07 |
| 11181847 | Carrier for electrostatic image development, electrostatic image developer, and process cartridge | Takuro Watanabe, Yasuaki Hashimoto, Yasuo Kadokura, Kazutsuna SASAKI, Jumpei IWASAKI | 2021-11-23 |
| 11048183 | Electrostatic-image developing toner, electrostatic-image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Takuro Watanabe, Yoshimasa Fujihara, Daisuke Noguchi, Satoshi Miura | 2021-06-29 |
| 10928745 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Satoshi Miura, Yoshimasa Fujihara, Daisuke Noguchi, Takuro Watanabe | 2021-02-23 |
| 10739689 | Electrostatic charge image developer and process cartridge | Yosuke Tsurumi, Takuro Watanabe, Fusako Kiyono | 2020-08-11 |
| 10514652 | Image forming apparatus and developer set | Hiroaki Saijo, Takuro Watanabe, Yasuaki Hashimoto, Fusako Kiyono | 2019-12-24 |
| 10503091 | Carrier for electrostatic image development and electrostatic image developer | Yosuke Tsurumi, Moegi Iguchi, Toshiaki Hasegawa | 2019-12-10 |
| 10359730 | Image forming apparatus having developer with carrier | Hiroaki Saijo, Takuro Watanabe, Yasuaki Hashimoto, Fusako Kiyono | 2019-07-23 |
| 10303078 | Image forming apparatus having two transfer units | Yasuaki Hashimoto, Takuro Watanabe, Hiroaki Saijo, Fusako Kiyono | 2019-05-28 |
| 10088763 | Electrostatic charge image developer, developer cartridge, and process cartridge | Motoko Sakai, Shuji Sato, Takuro Watanabe | 2018-10-02 |