Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8652735 | Carrier, developer, method of manufacturing carrier, developer container, image forming method, process cartridge, image forming apparatus, and supplemental developer | Koichi Sakata, Shigenori Yaguchi, Kimitoshi Yamaguchi, Hitoshi Iwatsuki, Hiroshi Tohmatsu +3 more | 2014-02-18 |
| 8652738 | Contact developing method, image forming apparatus, and process cartridge | Kimitoshi Yamaguchi, Shigenori Yaguchi, Hitoshi Iwatsuki, Mariko Takii, Toyoaki Tano +4 more | 2014-02-18 |
| 8637218 | Carrier for developing electrostatic latent image and developer | Koichi Sakata, Shigenori Yaguchi, Kimitoshi Yamaguchi, Hiroshi Tohmatsu, Hiroyuki Kishida | 2014-01-28 |
| 8603713 | Toner, and developer, toner cartridge, image forming apparatus, process cartridge and image forming method using the same | Akihiro Kotsugai, Ryota Inoue, Akiyoshi Sabu, Shingo Sakashita, Keiko Osaka +1 more | 2013-12-10 |
| 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, Hiroshi Tohmatsu, Koichi Sakata +3 more | 2013-08-20 |
| 8383307 | Toner, developer, and image forming method and apparatus using the toner | Ryota Inoue, Akihiro Kotsugai, Akiyoshi Sabu | 2013-02-26 |
| 8377620 | Image forming apparatus, image forming method, and toner for image forming apparatus | Tsuneyasu Nagatomo, Satoshi Kojima | 2013-02-19 |
| 8263302 | Carrier for electrophotography and two-component developer | Yoshihiro Moriya, Akihiro Kotsugai, Ryota Inoue, Akiyoshi Sabu, Shingo Sakashita | 2012-09-11 |
| 7824834 | Toner for developing electrostatic image, method for preparing the toner, and image forming method and apparatus using the toner | Junichi Awamura, Akinori Saitoh, Masahide Yamada, Takuya Seshita, Tomomi Suzuki | 2010-11-02 |
| 7799498 | Toner used for image forming apparatus | Takuya Seshita, Junichi Awamura, Tomomi Suzuki, Masahide Yamada | 2010-09-21 |
| 7695878 | Image forming apparatus, process cartridge and toner for use in the image forming apparatus | Takuya Seshita, Tomomi Suzuki, Tsuneyasu Nagatomo, Satoshi Kojima | 2010-04-13 |
| 7550243 | Toner, developer, toner container, process cartridge, fixing process, image forming apparatus, and image forming process | Keiko Matsumoto | 2009-06-23 |
| 7413839 | Toner, developer, toner container, process cartridge, and an image forming apparatus | Keiko Matsumoto | 2008-08-19 |
| 7386266 | Image removing method, image removing device, and image forming apparatus | Masashi Nagayama, Motoharu Tanaka, Keiko Shiraishi, Tadashi Saitoh | 2008-06-10 |
| 7379696 | Toner for developing electrostatic image, fixing method for fixing image formed of the toner, and image forming method and process cartridge using the toner | Keiko Matsumoto | 2008-05-27 |
| 7235338 | Toner and image forming method and process cartridge for image forming apparatus using the toner | Takeshi Takada, Masahiro Ohki, Keiko Shiraishi, Masashi Nagayama | 2007-06-26 |
| 7217485 | Toner for electrophotography, and image fixing process, image forming process, image forming apparatus and process cartridge using the same | Kumi Hasegawa, Mitsuo Aoki, Bing Shu, Keiko Shiraishi, Masashi Nagayama +1 more | 2007-05-15 |
| 7163774 | Toner for forming image, method for developing electrostatic latent image, method for fixing toner image, image forming method and process cartridge using the toner | Keiko Shiraishi, Masashi Nagayama, Shinichi Kuramoto, Mitsuo Aoki, Kumi Hasegawa +1 more | 2007-01-16 |
| 7132210 | Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process | Masanori Suzuki, Yohichiroh Watanabe, Keiko Shiraishi, Takuya Saito, Masashi Nagayama | 2006-11-07 |
| 7060407 | Image removing method, image removing device, and image forming apparatus | Masashi Nagayama, Motoharu Tanaka, Keiko Shiraishi, Tadashi Saitoh | 2006-06-13 |
| 7052815 | Color toner for developing electrostatic images, toner container containing the color toner, and image forming method and apparatus using the color toner | Masanori Suzuki, Kohki Katoh, Yohichiroh Watanabe, Keiko Shiraishi, Takuya Saito +1 more | 2006-05-30 |
| 7049037 | Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner | Kohki Katoh, Masanori Suzuki, Yohichiro Watanabe, Masahide Yamashita, Akihiro Kotsugai +1 more | 2006-05-23 |
| 6977129 | Charge control agent, toner using same developer containing the toner and developing device containing the developer | Takuya Saito, Masanori Suzuki, Yohichiroh Watanabe, Keiko Shiraishi, Tatsuhiko Osaki +2 more | 2005-12-20 |
| 6939653 | Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process | Masanori Suzuki, Yohichiroh Watanabe, Keiko Shiraishi, Takuya Saito, Masashi Nagayama | 2005-09-06 |
| 6858365 | Toner for developing electrostatic latent image, developing method and developing apparatus | Masanori Suzuki, Kohki Katoh, Yohichiroh Watanabe, Keiko Shiraishi, Takuya Saito | 2005-02-22 |