Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8637218 | Carrier for developing electrostatic latent image and developer | Koichi Sakata, Kimitoshi Yamaguchi, Toyoshi Sawada, Hiroshi Tohmatsu, Hiroyuki Kishida | 2014-01-28 |
| 8524436 | Developing device, image forming method and apparatus, and process cartridge | Masashi Nagayama, Mitsuo Aoki, Hideyuki Santo | 2013-09-03 |
| 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, Kimitoshi Yamaguchi, Toyoshi Sawada, Hiroshi Tohmatsu, Koichi Sakata +3 more | 2013-08-20 |
| 7813674 | Developing toner for electrophotography and electro-photographic device | Junji Kobayashi, Tomonari Hokkyo, Hirobumi Ouchi | 2010-10-12 |
| 7570904 | Image forming apparatus | Junji Kobayashi, Hirobumi Ouchi, Tomonari Hokkyo | 2009-08-04 |
| 7459252 | Electrophotographic toner | Ryuuichi Shimizu, Hiroshi Ueno | 2008-12-02 |
| 7435519 | Electrophotographic toner and image forming apparatus | Junji Kobayashi, Tomonari Hokkyo, Hirobumi Ouchi | 2008-10-14 |
| 7327974 | Electrophotographic toner and image-forming system | Ryuuichi Shimizu, Hiroshi Ueno | 2008-02-05 |
| 7144667 | Electrostatic charge image developing toner, and developer, image forming apparatus and image forming method using the same toner | Tsuneaki Kawanishi, Junji Kobayashi, Ryuuichi Shimizu, Hirobumi Ouchi | 2006-12-05 |
| 7022448 | Electrophotographic toner and image-forming system | Ryuuichi Shimizu, Junji Kobayashi, Tadahiro Kaneko, Nobuyoshi Hoshi, Tsuneaki Kawanishi | 2006-04-04 |
| 6783909 | Electrostatic image developing toner and image forming method | Tsuneaki Kawanishi, Ryuuichi Shimizu, Junji Kobayashi, Tadahiro Kaneko, Nobuyoshi Hoshi | 2004-08-31 |
| 6696210 | Electrostatic charge developing toner and image forming method using the same | Ryuuichi Shimizu, Junji Kobayashi, Tsuneaki Kawanishi, Nobuyoshi Hoshi | 2004-02-24 |
| 5830616 | Magnetic latent image developing toner | Atsushi Fujino | 1998-11-03 |