Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360472 | Image forming apparatus and image forming method | Yoshiteru Yamada, Daisuke Tano, Kenta Shingu | 2025-07-15 |
| 12298684 | Belt cleaning blade, image forming apparatus, and transfer device | Yusuke Watanabe, Daisuke Tano | 2025-05-13 |
| 12292706 | Image forming apparatus and image forming method | Kenta Shingu, Yoshiteru Yamada, Daisuke Tano | 2025-05-06 |
| 12276927 | Image forming apparatus and image forming method | Kenta Shingu, Yoshiteru Yamada, Daisuke Tano | 2025-04-15 |
| 10935900 | Toner for developing electrostatic charge image, electrostatic charge image developer, and toner cartridge | Daisuke Ishizuka, Narumasa SATO, Erina SAITO, Norimasa Ozora, Kotaro YOSHIHARA +1 more | 2021-03-02 |
| 10578989 | Electrostatic charge image developer, developer cartridge, and process cartridge | Kotaro YOSHIHARA, Daisuke Ishizuka, Narumasa SATO, Erina SAITO, Takahisa TATEKAWA +1 more | 2020-03-03 |
| 10520841 | Electrostatic image developing toner, electrostatic latent image developer, and toner cartridge | Narumasa SATO, Erina SAITO, Noriyuki Mizutani, Kotaro YOSHIHARA, Daisuke Ishizuka | 2019-12-31 |
| 9715185 | Electrostatic-image developing toner, electrostatic-image developer, and toner cartridge | Kotaro YOSHIHARA, Daisuke Ishizuka, Asafumi FUJITA, Narumasa SATO, Erina SAITO | 2017-07-25 |
| 9612542 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yuki TAKAMIYA, Daisuke Ishizuka, Noriyuki Mizutani | 2017-04-04 |
| 9575428 | Electrostatic-image developing toner, electrostatic image developer, and toner cartridge | Narumasa SATO, Kotaro YOSHIHARA, Daisuke Ishizuka, Asafumi FUJITA, Erina SAITO +1 more | 2017-02-21 |
| 9482972 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Daisuke Ishizuka, Yuki TAKAMIYA, Noriyuki Mizutani | 2016-11-01 |