Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11506989 | Electrostatic charge image developing toner and electrostatic charge image developer | Kotaro YOSHIHARA, Asafumi FUJITA, Narumasa SATO, Teppei Yawada | 2022-11-22 |
| 11156934 | Carrier for developing electrostatic charge image, electrostatic charge image developer, and image forming apparatus | Kotaro YOSHIHARA, Asafumi FUJITA, Teppei Yawada | 2021-10-26 |
| 10088763 | Electrostatic charge image developer, developer cartridge, and process cartridge | Shuji Sato, Shintaro Anno, Takuro Watanabe | 2018-10-02 |
| 9891545 | Electrostatic charge image developer, developer cartridge, and process cartridge | Shintaro Anno, Takuro Watanabe, Shuji Sato | 2018-02-13 |
| 9639014 | Electrostatic charge image developer, developer cartridge, and process cartridge | Yosuke Tsurumi, Takuro Watanabe, Masaaki Usami | 2017-05-02 |
| 9535349 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Shuji Sato, Yosuke Tsurumi, Masaaki Usami, Takuro Watanabe | 2017-01-03 |
| 9389581 | Toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, and image forming apparatus | Katsuyuki Kitajima, Yutaka Saito, Michio Take, Yoshifumi Iida | 2016-07-12 |
| RE45970 | Toner for electrostatic image development, toner cartridge, process cartridge and image forming apparatus | Tetsuya Taguchi, Jun Igarashi, Masahiro Takagi | 2016-04-12 |
| 9207551 | Brilliant toner, electrostatic charge image developer, toner cartridge, and process cartridge | Akihiro Iizuka, Mona TASAKI | 2015-12-08 |
| 8942587 | Electrostatic image developer and image forming apparatus | Sakon Takahashi, Akihiro Iizuka, Kunihiko Sato, Kazuhiko Arai, Nobumasa Furuya +3 more | 2015-01-27 |
| 8685608 | Two-component developer, developer cartridge, process cartridge, and image forming apparatus | Sakon Takahashi, Yutaka Saito, Katsuyuki Kitajima | 2014-04-01 |
| 8507167 | Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge and image forming apparatus | Yutaka Saito, Michio Take, Yoshifumi Iida, Sakon Takahashi, Katsuyuki Kitajima | 2013-08-13 |
| 8227158 | Toner for electrostatic image development, toner cartridge, process cartridge and image forming apparatus | Tetsuya Taguchi, Jun Igarashi, Masahiro Takagi | 2012-07-24 |
| 7955773 | Toner for developing electrostatic image, developer for developing electrostatic image, toner cartridge, process cartridge, and image forming apparatus | Masahiro Takagi, Jun Igarashi, Tetsuya Taguchi | 2011-06-07 |
| 7160662 | Electrostatic latent image developing agent and image forming method | Susumu Yoshino, Yoshifumi Iida, Seki Yamaguchi, Sueko Sakai | 2007-01-09 |
| 7095974 | Image forming method using recycled toner | Susumu Yoshino, Yoshifumi Iida, Sueko Sakai, Seki Yamaguchi | 2006-08-22 |
| 7026085 | Dry toner for electrostatic latent image developer, developer and image forming method | Susumu Yoshino | 2006-04-11 |
| 6929893 | Electrostatic image dry toner composition, developer for developing electrostatic latent image and image forming method | Susumu Yoshino, Yoshifumi Iida, Seiichi Takagi | 2005-08-16 |