Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8877420 | Particles and method for producing the same, toner and method for producing the same, developer, process cartridge, image forming method and image forming apparatus | Chiaki Tanaka, Taichi Nemoto, Yoshitaka Yamauchi | 2014-11-04 |
| 8852836 | Toner, method for producing the same, and image forming apparatus | Masahiro Seki, Yoshitaka Sekiguchi, Kazuoki Fuwa | 2014-10-07 |
| 8691486 | Electrostatic image developing toner, developer, image forming apparatus, image forming method, and process cartridge | Akihiro Kotsugai, Akiyoshi Sabu, Shingo Sakashita, Yukiko Nakajima, Keiko Osaka | 2014-04-08 |
| 8679714 | Toner, developer, and image forming method | Akihiro Kotsugai, Yoshihiro Moriya, Akiyoshi Sabu, Shingo Sakashita, Keiko Osaka +3 more | 2014-03-25 |
| 8663888 | Toner | Yasutada Shitara, Yohichiroh Watanabe, Yasuo Katano, Shinya Nakayama, Yoshihiro Moriya +3 more | 2014-03-04 |
| 8658340 | Toner, development agent, and image forming method | Shingo Sakashita, Shinya Nakayama, Yoshihiro Moriya, Akiyoshi Sabu, Yukiko Nakajima +1 more | 2014-02-25 |
| 8632932 | Toner, color toner set, developer, process cartridge, and image forming method | Akiyoshi Sabu, Akihiro Kotsugai, Keiko Osaka, Shingo Sakashita, Yukiko Nakajima +1 more | 2014-01-21 |
| 8623580 | Toner, developer, image forming method and image forming apparatus | Yukiko Nakajima, Akihiro Kotsugai, 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 | Akihiro Kotsugai, Toyoshi Sawada, Akiyoshi Sabu, Shingo Sakashita, Keiko Osaka +1 more | 2013-12-10 |
| 8383307 | Toner, developer, and image forming method and apparatus using the toner | Akihiro Kotsugai, Toyoshi Sawada, Akiyoshi Sabu | 2013-02-26 |
| 8367293 | Method for producing carrier for electrophotographic developer, carrier for electrophotographic developer, electrophotographic developer, and image forming method | Shinji Ohtani, Yoshihiro Norikane | 2013-02-05 |
| 8329374 | Carrier, production method thereof, developer and image forming method | Akihiro Kotsugai, Yoshihiro Moriya, Shingo Sakashita | 2012-12-11 |
| 8299190 | Colored polymer particles, method for producing the same, and toner and developer using the same | Takeshi Sako, Idzumi Okajima, Takahiro Yamashita, Satoyuki Sekiguchi, Chiaki Tanaka +1 more | 2012-10-30 |
| 8263302 | Carrier for electrophotography and two-component developer | Yoshihiro Moriya, Akihiro Kotsugai, Toyoshi Sawada, Akiyoshi Sabu, Shingo Sakashita | 2012-09-11 |
| 8178273 | Carrier and manufacturing method thereof, developer, process cartridge, image forming apparatus, and image forming method | Chiaki Tanaka, Shinichi Kuramoto | 2012-05-15 |
| 8137883 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container | Shigeru Emoto, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh, Masahiro Ohki +4 more | 2012-03-20 |
| 8124308 | Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method | Naohiro Watanabe, Shigeru Emoto, Yohichiroh Watanabe, Masahide Yamada, Tsunemi Sugiyama +4 more | 2012-02-28 |
| 8105743 | Fine organic silicone particle for latent electrostatic image developing toners, external additive for toners, toner for developing latent electrostatic image, and two-component developer | Masayuki Ishii, Yoshihiro Moriya, Shingo Sakashita | 2012-01-31 |
| 8084181 | Carrier and method for producing the same, developer and image forming method | Masayuki Ishii, Yoshihiro Moriya, Takuya Seshita, Shingo Sakashita, Chiaki Tanaka | 2011-12-27 |
| 8043785 | Carrier, method for producing the same, developer, and image forming method | Chiaki Tanaka, Masayuki Ishii, Yoshihiro Moriya, Shingo Sakashita | 2011-10-25 |
| 8034524 | Toner and image forming method using the toner | Sonoh Matsuoka, Chiaki Tanaka, Naohiro Watanabe, Masahide Yamada, Masahiro Ohki +1 more | 2011-10-11 |
| 8026031 | Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method | Naohiro Watanabe, Shigeru Emoto, Yohichiroh Watanabe, Masahide Yamada, Tsunemi Sugiyama +4 more | 2011-09-27 |
| 8007977 | Toner and image forming method using the toner | Sonoh Matsuoka, Chiaki Tanaka, Naohiro Watanabe, Masahide Yamada, Masahiro Ohki +1 more | 2011-08-30 |
| 7989131 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container | Shigeru Emoto, Naohiro Watanabe, Masahide Yamada, Akinori Saitoh, Masahiro Ohki +4 more | 2011-08-02 |
| 7932007 | Toner and method for producing the same, and image-forming method using the same | Hiroshi Yamashita, Chiaki Tanaka, Yohichiroh Watanabe, Tsunemi Sugiyama, Masahiro Ohki +4 more | 2011-04-26 |