Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8728698 | Carrier, developer, image forming method and process cartridge | Masashi Nagayama, Kimitoshi Yamaguchi | 2014-05-20 |
| 8679719 | Carrier, developer and electrophotographic developing method and image forming method | Kimitoshi Yamaguchi, Kousuke Suzuki | 2014-03-25 |
| 8067141 | Electrographic carrier, developer, developing method, image forming apparatus, and process cartridge | Kimitoshi Yamaguchi, Masashi Nagayama | 2011-11-29 |
| 8039189 | Electrophotographic developer and carrier therefor, core material particle for carrier for electrophotographic developer and production method thereof and image forming method | Kimitoshi Yamaguchi, Masashi Nagayama | 2011-10-18 |
| 7763410 | Electrophotographic developing carrier, associated apparatus and methodology of classification and application | Kimitoshi Yamaguchi, Masashi Nagayama | 2010-07-27 |
| 7468233 | Developer for use in electrophotography, image forming method and process cartridge | Masashi Nagayama, Kimitoshi Yamaguchi | 2008-12-23 |
| 7320852 | Carrier for developer for developing electrostatic latent image, developer using same and image forming method using same | Akihiro Kotsugai, Kimitoshi Yamaguchi, Hiroaki Takahashi | 2008-01-22 |
| 7192679 | Carrier for electrophotographic developer | Kimitoshi Yamaguchi, Akihiro Kotsugai, Hiroaki Takahashi | 2007-03-20 |
| 6939654 | Carrier and developer for developing latent electrostatic images | Akihiro Kotsugai, Kimitoshi Yamaguchi, Motoharu Tanaka, Hiroaki Takahashi | 2005-09-06 |
| 6735409 | Process for developing, image-forming apparatus, and image-forming process cartridge | Hiroaki Takahashi, Kimitoshi Yamaguchi, Akihiro Kotsugai | 2004-05-11 |