Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10739689 | Electrostatic charge image developer and process cartridge | Shintaro Anno, Yosuke Tsurumi, Takuro Watanabe | 2020-08-11 |
| 10514652 | Image forming apparatus and developer set | Shintaro Anno, Hiroaki Saijo, Takuro Watanabe, Yasuaki Hashimoto | 2019-12-24 |
| 10359730 | Image forming apparatus having developer with carrier | Shintaro Anno, Hiroaki Saijo, Takuro Watanabe, Yasuaki Hashimoto | 2019-07-23 |
| 10303078 | Image forming apparatus having two transfer units | Shintaro Anno, Yasuaki Hashimoto, Takuro Watanabe, Hiroaki Saijo | 2019-05-28 |
| 10156799 | Electrostatic charge image developing toner set, electrostatic charge image developer set, and toner cartridge set | Hiroki Ohmori, Yutaka Saito, Yuka Yamagishi | 2018-12-18 |
| 10095139 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yutaka Saito, Mona TASAKI, Hiroki Omori, Yuka Yamagishi | 2018-10-09 |
| 9996016 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Shintaro Anno, Hiroki Ohmori, Emi Matsushita | 2018-06-12 |
| 9904198 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Hiroki Omori, Mona TASAKI, Yutaka Saito, Yuka Yamagishi | 2018-02-27 |
| 9904191 | Electrostatic charge image developing toner set, electrostatic charge image developer set, and toner cartridge set | Yutaka Saito, Hiroki Ohmori, Yuka Yamagishi | 2018-02-27 |
| 9880480 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Hiroki Omori, Mona TASAKI, Yuka Yamagishi, Yutaka Saito | 2018-01-30 |
| 9778584 | Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Emi Matsushita, Shintaro Anno, Hiroki Omori | 2017-10-03 |
| 9766567 | Electrostatic-image developing toner, electrostatic image developer, and toner cartridge | Mona TASAKI, Yutaka Saito, Hiroki Ohmori, Yuka Yamagishi | 2017-09-19 |
| 9740120 | Electrostatic charge image developing toner, electrostatic image developer, and toner cartridge | Yutaka Saito, Mona TASAKI, Hiroki Omori, Yuka Yamagishi | 2017-08-22 |
| 9606463 | Electrostatic-image developing toner, electrostatic image developer, and toner cartridge | Mona TASAKI, Shuji Sato, Emi Matsushita, Shintaro Anno, Keita Yamamoto | 2017-03-28 |
| 9348244 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Shintaro Anno, Hiroki Omori, Emi Matsushita | 2016-05-24 |
| 9158226 | Image forming apparatus, electrostatic charge image developing carrier set, and process cartridge set | Shintaro Anno, Emi Matsushita, Hiroki Ohmori, Shuji Sato | 2015-10-13 |
| 9052627 | Toner for electrostatic charge image development, electrostatic charge image developer, toner cartridge, process cartridge and image forming device | Yoshifumi Iida, Yasuaki Hashimoto | 2015-06-09 |
| 8790858 | Electrostatic charge image developing carrier, electrostatic charge image developer, developer cartridge, process cartridge, and image forming apparatus, image forming method | Toshiaki Hasegawa, Mona TASAKI | 2014-07-29 |
| 8685603 | Electrostatic charge image developer, process cartridge and image forming apparatus | Taichi Yamada, Yosuke Tsurumi, Akira Matsumoto, Akihiro Iizuka | 2014-04-01 |
| 8603716 | Electrostatic image developing carrier, electrostatic image developer, process cartridge, image forming method and image forming apparatus | Takeshi Shoji, Akihiro Iizuka, Yosuke Tsurumi | 2013-12-10 |
| 8586276 | Carrier for electrostatic latent image development, and developer for electrostatic latent image development, method of forming an image, developer cartridge for electrostatic latent image development, process cartridge and image forming apparatus using the same | Akira Matsumoto, Taichi Yamada, Yosuke Tsurumi, Akihiro Iizuka, Fumiaki Mera +1 more | 2013-11-19 |
| 8512927 | Electrostatic image developing carrier, electrostatic image developing developer, electrostatic image developing developer cartridge, process cartridge, and image forming apparatus | Akihiro Iizuka, Tsuyoshi Murakami | 2013-08-20 |
| 8455168 | Electrophotographic developer, developer cartridge, process cartridge, and image forming apparatus | Sakon Takahashi, Toshiaki Hasegawa, Takeshi Shoji | 2013-06-04 |
| 8389192 | Electrophotographic carrier, electrophotographic developer, process cartridge and image forming device | Takeshi Shoji, Yosuke Tsurumi, Akihiro Iizuka | 2013-03-05 |
| 8318399 | Electrostatic charge image development carrier, electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method | Toshiaki Hasegawa, Takeshi Shoji, Sakon Takahashi | 2012-11-27 |