Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12282292 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Atsushi Sugawara, Yoshimasa Fujihara, Takashi Inukai | 2025-04-22 |
| 12181836 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Yasuo Kadokura, Yosuke Tsurumi, Takuro Watanabe, Karin SAKAI | 2024-12-31 |
| 12174583 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Takuro Watanabe, Yosuke Tsurumi, Yasuo Kadokura, Karin SAKAI | 2024-12-24 |
| 12169390 | Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method | Yasuo Kadokura, Takuro Watanabe, Karin SAKAI, Yosuke Tsurumi | 2024-12-17 |
| 12153377 | Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method | Karin SAKAI, Yosuke Tsurumi, Yasuo Kadokura, Takuro Watanabe | 2024-11-26 |
| 11960243 | Electrostatic image developer, process cartridge, image forming apparatus, and image forming method | Yasuo Kadokura, Takuro Watanabe, Karin SAKAI | 2024-04-16 |
| 11747744 | Electrostatic charge image developing carrier, electrostatic charge image developer, and image forming apparatus | Jumpei IWASAKI, Yasuo Kadokura, Shintaro Anno, Satoshi Miura | 2023-09-05 |
| 11561483 | Electrostatic charge image developing carrier, electrostatic charge image developer, and image forming apparatus | Yasuo Kadokura, Shintaro Anno, Satoshi Miura, Jumpei IWASAKI | 2023-01-24 |
| 11556071 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Takuro Watanabe, Yosuke Tsurumi, Yasuo Kadokura, Karin SAKAI | 2023-01-17 |
| 11181847 | Carrier for electrostatic image development, electrostatic image developer, and process cartridge | Shintaro Anno, Takuro Watanabe, Yasuaki Hashimoto, Yasuo Kadokura, Jumpei IWASAKI | 2021-11-23 |
| 11036155 | Toner for electrostatic image development, electrostatic image developer, and toner cartridge | Yutaka Saito, Kazuhiko Nakamura, Yuka Yamagishi | 2021-06-15 |
| 10725393 | Toner for electrostatic image development, electrostatic image developer, and toner cartridge | Yuka Yamagishi, Yutaka Saito, Kazuhiko Nakamura, Takashi Inukai, Sakiko Takeuchi | 2020-07-28 |
| 10571820 | White toner for electrostatic latent image development, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Daisuke Noguchi, Yoshimasa Fujihara | 2020-02-25 |