Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8859177 | Toner | Yasushi Katsuta, Kenichi Nakayama, Takeshi Kaburagi, Hideki Kaneko | 2014-10-14 |
| 8841056 | Toner and process for producing toner | Shinya Yachi, Yasushi Katsuta, Kenichi Nakayama, Takeshi Kaburagi | 2014-09-23 |
| 8828639 | Toner | Kenta Kamikura, Yasushi Katsuta, Kenichi Nakayama, Shiro Kuroki | 2014-09-09 |
| 8822120 | Toner | Nobuhisa Abe, Shinya Yachi, Kenichi Nakayama, Shiro Kuroki | 2014-09-02 |
| 8518623 | Toner and toner particle producing method | Kenta Kamikura, Shinya Yachi, Yasushi Katsuta, Takeshi Kaburagi | 2013-08-27 |
| 8247147 | Toner | Koji Abe, Shinya Yachi, Satoshi Handa, Emi Tosaka, Yasuhiro Hashimoto +2 more | 2012-08-21 |
| 8084178 | Non-magnetic toner | Emi Tosaka, Koji Abe, Yushi Mikuriya, Satoshi Handa, Shinya Yachi +1 more | 2011-12-27 |
| 8053156 | Toner, and toner production process | Koji Abe, Satoshi Handa, Shinya Yachi, Emi Tosaka, Yasuhiro Hashimoto +2 more | 2011-11-08 |
| 7745088 | Non-magnetic toner | Koji Inaba, Yasushi Katsuta | 2010-06-29 |
| 7740999 | Toner | Koji Inaba, Yasushi Katsuta | 2010-06-22 |
| 7459253 | Toner and method of producing toner | Koji Abe, Shinya Yachi, Emi Tosaka, Satoshi Handa, Yasuhiro Hashimoto +1 more | 2008-12-02 |
| 7024138 | Image forming apparatus, and replenishing developer kit | Naotaka Ikeda, Kenji Okado, Hironori Minagawa | 2006-04-04 |
| 7016630 | Image forming apparatus | Kenji Okado, Masashige Tamura, Naotaka Ikeda | 2006-03-21 |
| 6936394 | Replenishing developer and developing method | Kenji Okado, Yushi Mikuriya, Naotaka Ikeda | 2005-08-30 |
| 6855469 | Full-color image-forming method, and two-component developer kit for forming full-color images | Naotaka Ikeda, Kenji Okado, Yushi Mikuriya, Shinya Yachi, Katsuyuki Nonaka | 2005-02-15 |
| 6506531 | Magnetic carrier | Toshiyuki Hakata, Hiroomi Kakihara, Masaaki Fukugauchi, Kenji Okada, Yushi Mikuriya | 2003-01-14 |
| 6372400 | Carrier for use in electrophotography, two-component type developer and image forming method | Kenji Okado, Makoto Kanbayashi, Yushi Mikuriya | 2002-04-16 |
| 6316157 | Toner and image forming method | Junko Yoshikawa, Kenji Okado, Masaaki Taya, Yushi Mikuriya, Yasushi Katsuta +1 more | 2001-11-13 |
| 6312862 | Two-component type developer and image forming method | Kenji Okado, Ryoichi Fujita, Yushi Mikuriya, Shinya Yachi | 2001-11-06 |
| 6137977 | Image forming method and image forming apparatus using specific developer composition | Kenji Okado, Ryoichi Fujita, Masanori Shida | 2000-10-24 |
| 6124067 | Magnetic carrier, two-component developer and image forming method | Yushi Mikuriya, Kenji Okado | 2000-09-26 |
| 6077635 | Toner, two-component developer and image forming method | Kenji Okado, Ryoichi Fujita, Wakashi Iida, Yuji Moriki, Michihisa Magome | 2000-06-20 |
| 5994019 | Image forming method | Kenji Okado, Toshiyuki Ugai, Ryoichi Fujita | 1999-11-30 |
| 5856055 | Toner for developing electrostatic images and process for production thereof | Toshiyuki Ugai | 1999-01-05 |