Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10915035 | Carrier for developing electrostatic latent image, two-component developer, developer for replenishment, image forming device, process cartridge, and image forming method | Haruki Murata, Hiroyuki Kishida, Kenichi Mashiko, Masato Taikoji, Mariko Takii +1 more | 2021-02-09 |
| 10444651 | Carrier, developer, supplemental developer, image forming apparatus, image forming method, and process cartridge | Mariko Takii, Koichi Sakata, Tohru Suganuma, Masahiro Seki, Masashi Nagayama +1 more | 2019-10-15 |
| 10234783 | Carrier, developer, image forming apparatus, developer stored unit, and image forming method | Koichi Sakata, Tohru Suganuma, Shohichi Sugimoto, Hiroshi Tohmatsu, Hiroyuki Kishida +1 more | 2019-03-19 |
| 10197948 | Developing device and image forming apparatus | Hitoshi Iwatsuki, Koichi Sakata, Hiroshi Tohmatsu, Kenichi Mashiko, Mariko Takii +5 more | 2019-02-05 |
| 10067438 | Electrostatic latent image developing white developer, image forming method, image forming apparatus, and process cartridge | Yoshihiro Murasawa, Hiroshi Tohmatsu, Hitoshi Iwatsuki, Mariko Takii, Koichi Sakata +2 more | 2018-09-04 |
| 9989874 | Carrier for developing electrostatic latent images, two-component developer, image forming apparatus, toner storing unit, and supplemental developer | Yoshihiro Murasawa, Hiroyuki Kishida, Masato Taikoji, Kenichi Mashiko, Mariko Takii +1 more | 2018-06-05 |
| 9946177 | Carrier, two-component developer, image forming apparatus, process cartridge, and image forming method | Yoshihiro Murasawa, Koichi Sakata, Masashi Nagayama, Hiroyuki Kishida | 2018-04-17 |
| 9519234 | Carrier, two-component developer, supplemental developer, image forming method, process cartridge and image forming apparatus | Hiroyuki Kishida, Shigenori Yaguchi, Hiroshi Tohmatsu, Koichi Sakata, Hitoshi Iwatsuki | 2016-12-13 |
| 9304427 | Carrier for developing an electrostatic latent image, developer and image forming apparatus | Hitoshi Iwatsuki, Shigenori Yaguchi, Mariko Takii, Koichi Sakata, Hiroyuki Kishida +1 more | 2016-04-05 |
| 9298119 | Carrier for two-component developer, two-component developer using the carrier, and image forming method and process cartridge using the two-component developer | Shigenori Yaguchi, Koichi Sakata, Hitoshi Iwatsuki, Hiroyuki Kishida, Kenichi Mashiko +1 more | 2016-03-29 |
| 9261817 | Replenishing developer housing container and image forming apparatus | Hitoshi Iwatsuki, Shigenori Yaguchi, Hiroshi Tohmatsu, Hiroyuki Kishida, Kenichi Mashiko +7 more | 2016-02-16 |
| 9229347 | Carrier for two-component developer, two-component developer using the carrier, and process cartridge and image forming method and apparatus using the two component developer | Hiroyuki Kishida, Shigenori Yaguchi, Hiroshi Tohmatsu, Koichi Sakata, Hitoshi Iwatsuki +1 more | 2016-01-05 |
| 9146487 | Carrier for developing electrostatic latent image, and electrostatic latent image developer | Toyoshi Sawada, Shigenori Yaguchi, Hiroshi Tohmatsu, Hitoshi Iwatsuki, Hiroyuki Kishida +1 more | 2015-09-29 |
| 9029061 | Carrier, developer using the carrier, and developing device, image forming method, image forming apparatus and process cartridge using the developer | Koichi Sakata, Minoru Masuda, Hisashi Nakajima, Kimitoshi Yamaguchi, Yutaka Takahashi +2 more | 2015-05-12 |
| 8918025 | Image forming method and image forming apparatus | Hiroshi Tohmatsu, Shigenori Yaguchi, Hitoshi Iwatsuki, Koichi Sakata, Mariko Takii | 2014-12-23 |
| 8916325 | Carrier for developing electrostatic latent image, tow-component developer and image forming method | Shigenori Yaguchi, Hiroshi Tohmatsu, Koichi Sakata, Hitoshi Iwatsuki, Hiroyuki Kishida | 2014-12-23 |
| 8877418 | Developing method and image forming method | Hisashi Nakajima, Kimitoshi Yamaguchi, Shigenori Yaguchi, Hitoshi Iwatsuki, Mariko Takii +4 more | 2014-11-04 |
| 8787804 | Developing device including a developer container with toner particles and magnetic carrier particles (Rz=0.5−3.0 gm) and a developer bearing member (Rz=10−30 gm), and an image forming apparatus and process cartridge containing the same | Hiroyuki Kishida, Shigenori Yaguchi, Toyoshi Sawada, Koichi Sakata | 2014-07-22 |
| 8778587 | Carrier for electrostatic latent image developer, electrostatic latent image developer formed of carrier and toner, and process cartridge using the developer | Kimitoshi Yamaguchi, Shigenori Yaguchi, Toyoshi Sawada, Hiroshi Tohmatsu, Hitoshi Iwatsuki | 2014-07-15 |
| 8663892 | Latent electrostatic image developing carrier, process cartridge and image forming apparatus | Shigenori Yaguchi, Kimitoshi Yamaguchi, Toyoshi Sawada, Hitoshi Iwatsuki, Hiroshi Tohmatsu | 2014-03-04 |
| 8652738 | Contact developing method, image forming apparatus, and process cartridge | Kimitoshi Yamaguchi, Shigenori Yaguchi, Hitoshi Iwatsuki, Mariko Takii, Toyoshi Sawada +4 more | 2014-02-18 |
| 8652735 | Carrier, developer, method of manufacturing carrier, developer container, image forming method, process cartridge, image forming apparatus, and supplemental developer | Koichi Sakata, Shigenori Yaguchi, Toyoshi Sawada, Kimitoshi Yamaguchi, Hitoshi Iwatsuki +3 more | 2014-02-18 |
| 8518626 | Carrier, method for preparing the carrier, developer using the carrier, developer container, and image forming method and apparatus and process cartridge using the developer | Saori Yamada, Minoru Masuda, Hisashi Nakajima, Kimitoshi Yamaguchi, Koichi Sakata +3 more | 2013-08-27 |
| 8512928 | Carrier for developing electrostatic latent image, and two-component developer, supplemental developer, image forming apparatus, process cartridge, and image forming method using the carrier | Hiroyuki Kishida, Shigenori Yaguchi, Kimitoshi Yamaguchi, Toyoshi Sawada, Hiroshi Tohmatsu +3 more | 2013-08-20 |
| 8512929 | Latent electrostatic image developing carrier, two-component developer and image forming method | Hitoshi Iwatsuki, Kimitoshi Yamaguchi, Minoru Masuda, Yutaka Takahashi, Koichi Sakata | 2013-08-20 |