Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8771914 | Toner for developing latent electrostatic image, two-component developer, image forming method and image forming apparatus | Hiroshi Yamashita | 2014-07-08 |
| 8741520 | Image forming toner, image forming apparatus, image forming method, and process cartridge | Toyoshi Sawada, Akiyoshi Sabu | 2014-06-03 |
| 8691486 | Electrostatic image developing toner, developer, image forming apparatus, image forming method, and process cartridge | Ryota Inoue, Akiyoshi Sabu, Shingo Sakashita, Yukiko Nakajima, Keiko Osaka | 2014-04-08 |
| 8679714 | Toner, developer, and image forming method | Ryota Inoue, Yoshihiro Moriya, Akiyoshi Sabu, Shingo Sakashita, Keiko Osaka +3 more | 2014-03-25 |
| 8632932 | Toner, color toner set, developer, process cartridge, and image forming method | Akiyoshi Sabu, Ryota Inoue, Keiko Osaka, Shingo Sakashita, Yukiko Nakajima +1 more | 2014-01-21 |
| 8623580 | Toner, developer, image forming method and image forming apparatus | Yukiko Nakajima, Ryota Inoue, Akiyoshi Sabu, Shingo Sakashita, Keiko Osaka | 2014-01-07 |
| 8603713 | Toner, and developer, toner cartridge, image forming apparatus, process cartridge and image forming method using the same | Toyoshi Sawada, Ryota Inoue, Akiyoshi Sabu, Shingo Sakashita, Keiko Osaka +1 more | 2013-12-10 |
| 8383307 | Toner, developer, and image forming method and apparatus using the toner | Ryota Inoue, Toyoshi Sawada, Akiyoshi Sabu | 2013-02-26 |
| 8329374 | Carrier, production method thereof, developer and image forming method | Ryota Inoue, Yoshihiro Moriya, Shingo Sakashita | 2012-12-11 |
| 8329370 | Toner, image forming apparatus, image forming method, and process cartridge | Shinya Nakayama, Akiyoshi Sabu | 2012-12-11 |
| 8263302 | Carrier for electrophotography and two-component developer | Yoshihiro Moriya, Toyoshi Sawada, Ryota Inoue, Akiyoshi Sabu, Shingo Sakashita | 2012-09-11 |
| 8114560 | Toner, image forming apparatus, image forming method, and process cartridge using the toner | Shinya Nakayama, Akiyoshi Sabu, Hiroshi Yamashita, Hiroshi Yamada, Junichi Awamura +1 more | 2012-02-14 |
| 8017292 | Toner, as well as image forming apparatus and image forming method using the same | Akiyoshi Sabu, Shinya Nakayama, Hiroshi Yamashita, Tsuyoshi Sugimoto, Hiroshi Yamada +1 more | 2011-09-13 |
| 8007974 | Toner, image forming apparatus using the same, image forming method using the same, and process cartridge | Shinya Nakayama, Yasuaki Iwamoto, Yasutada Shitara | 2011-08-30 |
| 7960083 | Image forming apparatus, image forming method, and process cartridge | Shinya Nakayama, Akiyoshi Sabu | 2011-06-14 |
| 7862973 | Toner and developer, and image forming apparatus, image forming method and process cartridge | Shinya Nakayama, Yasuaki Iwamoto, Yasutada Shitara, Yohichiroh Watanabe | 2011-01-04 |
| 7709174 | Toner, method of preparing the toner, and developer, image forming method, image forming apparatus, and process cartridge using the toner | Tsuyoshi Sugimoto, Hiroshi Yamashita, Ryota Inoue, Yoshihiro Moriya, Shinichi Wakamatsu | 2010-05-04 |
| 7642032 | Toner, developer, image forming apparatus and image forming method | Hideki Sugiura, Satoshi Mochizuki, Yasuo Asahina, Osamu Uchinokura, Hisashi Nakajima +6 more | 2010-01-05 |
| 7608373 | Toner for developing electrostatic latent image, developer using the toner, and process cartridge, image forming apparatus and image forming method using the developer | Satoshi Mochizuki, Sonoh Matsuoka, Takuya Saito | 2009-10-27 |
| 7608377 | Image forming method and image forming apparatus | Shinya Nakayama, Hisashi Nakajima, Hideki Sugiura, Fumihiro Sasaki, Satoshi Mochizuki | 2009-10-27 |
| 7566521 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method | Satoshi Mochizuki, Hisashi Nakajima, Yasuo Asahina, Osamu Uchinokura, Masayuki Ishii +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, Yasuaki Iwamoto, Yasuo Asahina, Masayuki Ishii +17 more | 2009-04-21 |
| 7455942 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method using the same | Tsuneyasu Nagatomo, Hiroshi Yamashita, Masayuki Ishii, Hiroto Higuchi, Osamu Uchinokura +10 more | 2008-11-25 |
| 7442484 | Image forming method using toner | Osamu Uchinokura, Yasuo Asahina, Tomoyuki Ichikawa, Shinya Nakayama, Kohichi Sakata +5 more | 2008-10-28 |