Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291609 | Method for producing resin particles and method for producing toner | Yuya Kato, Takahiro Yamashita | 2025-05-06 |
| 12204276 | Preparing method of electrostatic charge image developing toner, electrostatic charge image developing toner, and electostatic charge image developer | Daisuke Tomita, Daisuke Noguchi, Kazuhiko Nakamura, Yuji Isshiki | 2025-01-21 |
| 12130586 | Resin fine particle, thermoplastic resin particle, and method for producing resin fine particle | Daisuke Tomita, Takahiro Yamashita, Yukiaki NAKAMURA, Masaru Takahashi | 2024-10-29 |
| 12025950 | Resin fine particle, thermoplastic resin particle, and method for producing resin fine particle | Daisuke Tomita, Takahiro Yamashita, Yukiaki NAKAMURA, Masaru Takahashi | 2024-07-02 |
| 10670982 | Electrostatic-image developing toner, electrostatic image developer, and toner cartridge | Takahiro Yamashita, Kazuya Mori, Yuta Saeki, Akitsugu Seto, Yuji Isshiki +1 more | 2020-06-02 |
| 10578989 | Electrostatic charge image developer, developer cartridge, and process cartridge | Kotaro YOSHIHARA, Daisuke Ishizuka, Narumasa SATO, Yuka Kawamoto, Erina SAITO +1 more | 2020-03-03 |
| 10466605 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Narumasa SATO, Kotaro YOSHIHARA, Daisuke Ishizuka, Noriyuki Mizutani, Erina SAITO | 2019-11-05 |