Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11506989 | Electrostatic charge image developing toner and electrostatic charge image developer | Kotaro YOSHIHARA, Asafumi FUJITA, Teppei Yawada, Motoko Sakai | 2022-11-22 |
| 10935900 | Toner for developing electrostatic charge image, electrostatic charge image developer, and toner cartridge | Daisuke Ishizuka, Yuka Kawamoto, 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, Yuka Kawamoto, Erina SAITO, Takahisa TATEKAWA +1 more | 2020-03-03 |
| 10520841 | Electrostatic image developing toner, electrostatic latent image developer, and toner cartridge | Erina SAITO, Yuka Kawamoto, Noriyuki Mizutani, Kotaro YOSHIHARA, Daisuke Ishizuka | 2019-12-31 |
| 10466605 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Kotaro YOSHIHARA, Daisuke Ishizuka, Takahisa TATEKAWA, Noriyuki Mizutani, Erina SAITO | 2019-11-05 |
| 10191399 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Noriyuki Mizutani, Kotaro YOSHIHARA, Erina SAITO | 2019-01-29 |
| 9726997 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus | Asafumi FUJITA, Eisuke Iwazaki, Tomoaki Tanaka, Kotaro YOSHIHARA, Noriyuki Mizutani | 2017-08-08 |
| 9715185 | Electrostatic-image developing toner, electrostatic-image developer, and toner cartridge | Yuka Kawamoto, Kotaro YOSHIHARA, Daisuke Ishizuka, Asafumi FUJITA, Erina SAITO | 2017-07-25 |
| 9575428 | Electrostatic-image developing toner, electrostatic image developer, and toner cartridge | Kotaro YOSHIHARA, Daisuke Ishizuka, Asafumi FUJITA, Erina SAITO, Yuka Kawamoto +1 more | 2017-02-21 |
| 9529292 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Tomoaki Tanaka, Kotaro YOSHIHARA, Eisuke Iwazaki, Asafumi FUJITA, Noriyuki Mizutani | 2016-12-27 |
| 9477166 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Eisuke Iwazaki, Asafumi FUJITA, Tomoaki Tanaka, Kotaro YOSHIHARA, Noriyuki Mizutani | 2016-10-25 |
| 9470994 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Kotaro YOSHIHARA, Noriyuki Mizutani, Tomoaki Tanaka, Eisuke Iwazaki, Asafumi FUJITA +1 more | 2016-10-18 |
| 9304423 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, and process cartridge | Eisuke Iwazaki, Asafumi FUJITA, Kotaro YOSHIHARA, Noriyuki Mizutani, Tomoaki Tanaka | 2016-04-05 |
| 9304419 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, and process cartridge | Kotaro YOSHIHARA, Eisuke Iwazaki, Tomoaki Tanaka, Asafumi FUJITA, Noriyuki Mizutani | 2016-04-05 |
| 9058001 | Image forming apparatus | Eiji Nakai, Katsuyuki Kitajima, Makoto Kamisaki, Toyofumi Inoue, Takafumi Koide +3 more | 2015-06-16 |