Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9625848 | Toner and method for producing toner | Yousuke Suzuki, Sayaka Yuasa, Sayuri Kojima, Takahiro Kadota | 2017-04-18 |
| 8835086 | Electrostatic image developing toner | Naohiro Watanabe, Naohito Shimota, Masana Shiba, Satoshi Kojima | 2014-09-16 |
| 8377618 | Image forming method, image forming apparatus, and toner | Hyo Shu, Yasutada Shitara, Minoru Masuda | 2013-02-19 |
| 8084176 | Toner, developer, and image forming method | Shinya Nakayama, Yasutada Shitara, Hiroyuki Kishida | 2011-12-27 |
| 8034526 | Method for manufacturing toner and toner | Yohichiroh Watanabe, Shinji Ohtani, Yoshihiro Norikane, Yasutada Shitara, Kazumi Suzuki +1 more | 2011-10-11 |
| 8012659 | Image forming apparatus, toner, and process cartridge | Hyo Shu, Minoru Masuda, Yasutada Shitara | 2011-09-06 |
| 8007974 | Toner, image forming apparatus using the same, image forming method using the same, and process cartridge | Shinya Nakayama, Akihiro Kotsugai, Yasutada Shitara | 2011-08-30 |
| 7901861 | Electrophotographic image forming method | Yasutada Shitara, Minoru Masuda, Hyo Shu | 2011-03-08 |
| 7892718 | Image forming apparatus, image forming method and process cartridge | Yohichiroh Watanabe, Yasutada Shitara | 2011-02-22 |
| 7873304 | Image forming apparatus, image forming method, and process cartridge | Yohichiroh Watanabe, Yasutada Shitara | 2011-01-18 |
| 7862973 | Toner and developer, and image forming apparatus, image forming method and process cartridge | Shinya Nakayama, Akihiro Kotsugai, Yasutada Shitara, Yohichiroh Watanabe | 2011-01-04 |
| 7749674 | Toner, developer, image developer and image forming apparatus | Hideki Sugiura, Satoshi Mochizuki, Yasuo Asahina, Kazuhiko Umemura, Tomoyuki Ichikawa +3 more | 2010-07-06 |
| 7718340 | Image forming apparatus, image forming method, and process cartridge | Yohichiroh Watanabe, Yasutada Shitara | 2010-05-18 |
| 7713672 | Image forming apparatus, image forming method and process cartridge | Yohichiroh Watanabe, Yasutada Shitara | 2010-05-11 |
| 7642032 | Toner, developer, image forming apparatus and image forming method | Hideki Sugiura, Satoshi Mochizuki, Akihiro Kotsugai, Yasuo Asahina, Osamu Uchinokura +6 more | 2010-01-05 |
| 7566521 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method | Akihiro Kotsugai, Satoshi Mochizuki, Hisashi Nakajima, Yasuo Asahina, Osamu Uchinokura +8 more | 2009-07-28 |
| 7547497 | Toner, and developer, image developer and image forming apparatus using the toner | Osamu Uchinokura, Masami Tomita, Hisashi Nakajima, Shinya Nakayama, Koichi Sakata +5 more | 2009-06-16 |
| 7521164 | Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method | Shinya Nakayama, Satoshi Mochizuki, Yasuo Asahina, Akihiro Kotsugai, Masayuki Ishii +17 more | 2009-04-21 |
| 7442484 | Image forming method using toner | Osamu Uchinokura, Akihiro Kotsugai, Yasuo Asahina, Tomoyuki Ichikawa, Shinya Nakayama +5 more | 2008-10-28 |
| 7413838 | External additives for electrophotographic toner, electrophotographic toner, electrophotographic developer, image forming method and image forming apparatus | Hideki Sugiura, Satoshi Mochizuki, Kazuhiko Umemura | 2008-08-19 |
| 7405000 | Resin particle and process of producing the same | Tadao Takikawa, Toshihiko Kinsho, Hidetoshi Noda, Shuhei Yahiro, Yutaka Yoshida +3 more | 2008-07-29 |
| 7374851 | Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method | Shinya Nakayama, Satoshi Mochizuki, Yasuo Asahina, Akihiro Kotsugai, Masayuki Ishii +17 more | 2008-05-20 |
| 7368212 | Toner for developing electrostatic image, developer, image forming apparatus, process for forming image, process cartridge and process for measuring porosity of toner | Hideki Sugiura, Satoshi Mochizuki, Yasuo Asahina, Akihiro Kotsugai, Shinya Nakayama +4 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, Osamu Uchinokura +8 more | 2008-01-15 |
| 7288353 | Toner, developer, image developer and image forming apparatus | Hideki Sugiura, Satoshi Mochizuki, Yasuo Asahina, Kazuhiko Umemura, Tomoyuki Ichikawa +3 more | 2007-10-30 |