Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7666566 | Electrophotographic toner and method of preparing the toner | Shinji Ohtani, Hiroshi Yamashita, Tsunemi Sugiyama, Takuya Saito | 2010-02-23 |
| 7629099 | Toner, developer, image forming method, and toner container | Hiroshi Yamashita, Tsuyoshi Sugimoto, Hiroto Higuchi, Yasuhiro Shindo | 2009-12-08 |
| 7563555 | Toner, developer including the toner, and method for fixing toner image | Masanori Suzuki, Tsunemi Sugiyama, Hiroshi Yamashita, Takuya Saito, Naohiro Watanabe +6 more | 2009-07-21 |
| 7560216 | Image-fixing method and image-fixing device, and, image-forming method and image-forming apparatus | Tsunemi Sugiyama, Hiroshi Yamashita | 2009-07-14 |
| 7550245 | Toner and production method of the same, and image forming method | Ryota Inoue, Shigeru Emoto, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh +2 more | 2009-06-23 |
| 7541128 | Toner, developer including the toner, and method for fixing toner image | Masanori Suzuki, Tsunemi Sugiyama, Hiroshi Yamashita, Takuya Saito, Naohiro Watanabe +6 more | 2009-06-02 |
| 7396630 | Toner, developer including the toner, and method for fixing toner image | Masanori Suzuki, Tsunemi Sugiyama, Hiroshi Yamashita, Takuya Saito, Naohiro Watanabe +6 more | 2008-07-08 |
| 7384722 | Method for preparing functional particulate organic material, toner using the functional particulate organic material, and image forming method and apparatus using the toner | Shinji Ohtani, Hiroshi Yamashita, Tsunemi Sugiyama, Takuya Saito | 2008-06-10 |
| 7364828 | Toner for electrophotography, method of manufacturing the toner, developer, development method, transfer method, and process cartridge using the toner | Hiroshi Yamashita, Takuya Saito, Tsunemi Sugiyama | 2008-04-29 |
| 7241548 | Toner, method for preparing the toner, and image forming method and apparatus using the toner | Tsunemi Sugiyama, Hiroshi Yamashita, Shinji Ohtani, Takuya Saito | 2007-07-10 |
| 7198874 | Toner, method of making, method of using | Takuya Saito, Hiroshi Yamashita, Tsunemi Sugiyama | 2007-04-03 |
| 7132210 | Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process | Masanori Suzuki, Keiko Shiraishi, Toyoshi Sawada, Takuya Saito, Masashi Nagayama | 2006-11-07 |
| 7122286 | Toner for development of electrostatic latent images, method of forming images, image formation apparatus, toner container containing the toner therein, and image formation apparatus equipped with the toner container | Masanori Suzuki, Masahide Yamashita, Kazuhito Watanabe, Keiko Shiraishi, Kohki Katoh | 2006-10-17 |
| 7074535 | Toner, method of making, method of using | Takuya Saito, Hiroshi Yamashita, Tsunemi Sugiyama | 2006-07-11 |
| 7074541 | Toner for electrophotography, method of manufacturing the toner, developer, development method, transfer method, and process cartridge using the toner | Hiroshi Yamashita, Takuya Saito, Tsunemi Sugiyama | 2006-07-11 |
| 7052815 | Color toner for developing electrostatic images, toner container containing the color toner, and image forming method and apparatus using the color toner | Toyoshi Sawada, Masanori Suzuki, Kohki Katoh, Keiko Shiraishi, Takuya Saito +1 more | 2006-05-30 |
| 6977129 | Charge control agent, toner using same developer containing the toner and developing device containing the developer | Takuya Saito, Masanori Suzuki, Keiko Shiraishi, Toyoshi Sawada, Tatsuhiko Osaki +2 more | 2005-12-20 |
| 6946229 | Toner for forming color image, image forming apparatus, and toner container | Masanori Suzuki, Takuya Saito, Hiroshi Yamashita, Takeshi Takada, Tsunemi Sugiyama +3 more | 2005-09-20 |
| 6939653 | Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process | Masanori Suzuki, Keiko Shiraishi, Toyoshi Sawada, Takuya Saito, Masashi Nagayama | 2005-09-06 |
| 6858365 | Toner for developing electrostatic latent image, developing method and developing apparatus | Toyoshi Sawada, Masanori Suzuki, Kohki Katoh, Keiko Shiraishi, Takuya Saito | 2005-02-22 |
| 6830859 | Charge control agent and toner using same | Keiko Shiraishi, Masanori Suzuki, Toyoshi Sawada, Takuya Saito, Tatsuhiko Osaki +2 more | 2004-12-14 |
| 6821698 | Toner for developing electrostatic latent image, toner cartridge, image forming method, process cartridge and image forming apparatus | Toyoshi Sawada, Masanori Suzuki, Keiko Shiraishi, Takuya Saito | 2004-11-23 |
| 6740461 | Carrier and two-component developer for electrophotography | Masahide Yamashita, Masanori Suzuki, Kazuhito Watanabe, Keiko Shiraishi, Kohki Katoh | 2004-05-25 |
| 6716561 | Toner for developing electrostatic latent image and image forming method using same | Keiko Shiraishi, Masanori Suzuki, Masahide Yamashita, Akihiro Kotsugai, Toyoshi Sawada +1 more | 2004-04-06 |
| 6653037 | Toner for developing latent electrostatic images, and image forming method and device | Toyoshi Sawada, Masanori Suzuki, Kohki Katoh, Masahide Yamashita, Akihiro Kotsugai +1 more | 2003-11-25 |