Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7824831 | Toner | Masahide Yamada, Akinori Saitoh, Junichi Awamura | 2010-11-02 |
| 7817955 | Image forming apparatus for securing good cleaning performance without cleaning blade abrasion | Satoshi Kojima, Naohiro Watanabe, Tsuneyasu Nagatomo | 2010-10-19 |
| 7741002 | Toner, toner production method, and image forming method | Fumihiro Sasaki, Satoshi Mochizuki, Hidetoshi Noda, Tsuyoshi Fukushima, Koutaro Kitano | 2010-06-22 |
| 7642032 | Toner, developer, image forming apparatus and image forming method | Hideki Sugiura, Satoshi Mochizuki, Akihiro Kotsugai, Yasuo Asahina, Hisashi Nakajima +6 more | 2010-01-05 |
| 7638250 | Toner, developing device, image forming apparatus, and image forming method using the toner | Takahiro Honda, Hiroyuki Fushimi | 2009-12-29 |
| 7566521 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method | Akihiro Kotsugai, Satoshi Mochizuki, Hisashi Nakajima, Yasuo Asahina, Masayuki Ishii +8 more | 2009-07-28 |
| 7547497 | Toner, and developer, image developer and image forming apparatus using the toner | Masami Tomita, Hisashi Nakajima, Shinya Nakayama, Koichi Sakata, Akihiro Kotsugai +5 more | 2009-06-16 |
| 7521164 | Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method | Shinya Nakayama, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Akihiro Kotsugai +17 more | 2009-04-21 |
| 7455942 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method using the same | Tsuneyasu Nagatomo, Akihiro Kotsugai, Hiroshi Yamashita, Masayuki Ishii, Hiroto Higuchi +10 more | 2008-11-25 |
| 7442484 | Image forming method using toner | Akihiro Kotsugai, Yasuo Asahina, Tomoyuki Ichikawa, Shinya Nakayama, Kohichi Sakata +5 more | 2008-10-28 |
| 7374851 | Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method | Shinya Nakayama, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Akihiro Kotsugai +17 more | 2008-05-20 |
| 7368213 | Toner and fixing device and image forming device using the same | Shinya Nakayama, Fumihiro Sasaki, Satoshi Mochizuki, Akihiro Kotsugai, Yasuo Asahina +5 more | 2008-05-06 |
| 7318989 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method | Akihiro Kotsugai, Satoshi Mochizuki, Hisashi Nakajima, Yasuo Asahina, Masayuki Ishii +8 more | 2008-01-15 |
| 7300736 | Toner, and developer, image forming method, image forming apparatus and process cartridge using the toner | Hiroyuki Fushimi | 2007-11-27 |
| 7258959 | Toner for electrophotography and image forming apparatus | Shinya Nakayama, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Kazuhiko Umemura +7 more | 2007-08-21 |
| 6916587 | Toner, developer, and image forming method and apparatus | Hiroyuki Fushimi, Toshiki Nanya, Shinichiro Yagi, Kohki Katoh | 2005-07-12 |
| 6855468 | Color image formation method | Takashi Yamamoto, Masae Nakamura, Masakazu Kinoshita, Yoshimichi Katagiri, Shin-ichi Kuramoto +2 more | 2005-02-15 |
| 6818370 | Toner for developing electrostatic latent image, toner cartridge containing the toner and image forming apparatus | Hiroyuki Fushimi, Kohki Katoh, Shinichiro Yagi, Toshiki Nanya | 2004-11-16 |
| 6737210 | Image formation method, electrophotographic toners, and printed matter | Hachiroh Tosaka, Hiroshi Yamashita, Shinichi Kuramoto, Masae Nakamura, Takashi Yamamoto +3 more | 2004-05-18 |
| 6733939 | Toner, developer and container for the developer, and method of and apparatus for forming an image | Toshiki Nanya, Hiroyuki Fushimi, Shinichiro Yagi, Kohki Katoh | 2004-05-11 |
| 6641969 | Magnetic toner with negative polarity for developing latent electrostatic images, and image forming apparatus using the same | Tomio Kondou | 2003-11-04 |
| 6503676 | Toner, external additive therefor and image forming method using the toner | Hiroshi Yamashita, Tomio Kondou, Hideki Sugiura, Hachiroh Tosaka, Hitoshi Ueda +1 more | 2003-01-07 |
| 6479204 | Magnetic toner with negative polarity for developing latent electrostatic images, and image forming apparatus using the same | Tomio Kondou | 2002-11-12 |
| 6432589 | Image formation method, electrophotographic toners, and printed matter | Hachiroh Tosaka, Hiroshi Yamashita, Shinichi Kuramoto, Masae Nakamura, Takashi Yamamoto +3 more | 2002-08-13 |
| 6432590 | Electrophotographic toner and image forming method using the toner | Hideyuki Ueda, Shohichi Sugimoto, Satoru Miyamoto, Kumi Hasegawa, Tamotsu Kajihara +2 more | 2002-08-13 |