Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9146487 | Carrier for developing electrostatic latent image, and electrostatic latent image developer | Toyoshi Sawada, Shigenori Yaguchi, Hiroshi Tohmatsu, Toyoaki Tano, 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, Toyoaki Tano, 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, Hiroyuki Kishida, Toyoaki Tano | 2014-12-23 |
| 8903270 | Developing device, image forming apparatus, and process cartridge | Koichi Sakata, Shigenori Yaguchi, Toyoshi Sawada, Hiroyuki Kishida | 2014-12-02 |
| 8877418 | Developing method and image forming method | Hisashi Nakajima, Kimitoshi Yamaguchi, Shigenori Yaguchi, Toyoaki Tano, Mariko Takii +4 more | 2014-11-04 |
| 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, Toyoaki Tano | 2014-07-15 |
| 8663892 | Latent electrostatic image developing carrier, process cartridge and image forming apparatus | Shigenori Yaguchi, Kimitoshi Yamaguchi, Toyoshi Sawada, Toyoaki Tano, Hiroshi Tohmatsu | 2014-03-04 |
| 8652738 | Contact developing method, image forming apparatus, and process cartridge | Kimitoshi Yamaguchi, Shigenori Yaguchi, Mariko Takii, Toyoshi Sawada, Toyoaki Tano +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, Hiroshi Tohmatsu +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 | Kimitoshi Yamaguchi, Minoru Masuda, Yutaka Takahashi, Koichi Sakata, Toyoaki Tano | 2013-08-20 |
| 8481239 | Carrier for two-component developer | Hisashi Nakajima, Kimitoshi Yamaguchi, Minoru Masuda, Yutaka Takahashi, Koichi Sakata +2 more | 2013-07-09 |
| 8475989 | Carrier, method for preparing the carrier, developer using the carrier, developer container, and image forming method and process cartridge using the developer | Yutaka Takahashi, Minoru Masuda, Kimitoshi Yamaguchi, Hisashi Nakajima, Koichi Sakata +3 more | 2013-07-02 |
| 8431312 | Carrier, developer, and image forming method | Minoru Masuda, Kimitoshi Yamaguchi, Yutaka Takahashi, Koichi Sakata | 2013-04-30 |
| 8257896 | Carrier | Minoru Masuda, Kimitoshi Yamaguchi, Yutaka Takahashi, Koichi Sakata, Toyoaki Tano | 2012-09-04 |
| 8247150 | Carrier for developing electrostatic latent image, two-component developer, supplemental developer, process cartridge, and image forming method | Kimitoshi Yamaguchi, Minoru Masuda, Yutaka Takahashi, Koichi Sakata | 2012-08-21 |
| 8211610 | Carrier for use in developer developing electrostatic image, developer using the carrier, and image forming method and apparatus and process cartridge using the developer | Kimitoshi Yamaguchi, Minoru Masuda, Yutaka Takahashi, Koichi Sakata, Toyoaki Tano | 2012-07-03 |
| 8086143 | Image forming apparatus for use with carrier including a core and cover layer | Masashi Nagayama, Tomio Kondou, Shinichiro Yagi | 2011-12-27 |
| 8026032 | Carrier, supplemental developer, developer in image developer, developer feeding apparatus, image forming apparatus and process cartridge | Tomio Kondou, Shinichiro Yagi, Masashi Nagayama | 2011-09-27 |
| 7745084 | Toner, developer including the toner, and image forming method, image forming apparatus and process cartridge using the toner | Hideki Sugiura | 2010-06-29 |
| 7642032 | Toner, developer, image forming apparatus and image forming method | Hideki Sugiura, Satoshi Mochizuki, Akihiro Kotsugai, Yasuo Asahina, Osamu Uchinokura +6 more | 2010-01-05 |
| 7592116 | Indium-containing carrier for electrophotography, developer using the same, and developer container | Kousuke Suzuki, Tomio Kondou, Shinichiro Yagi | 2009-09-22 |
| 7566521 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method | Akihiro Kotsugai, Satoshi Mochizuki, Hisashi Nakajima, Yasuo Asahina, Osamu Uchinokura +8 more | 2009-07-28 |