Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8623580 | Toner, developer, image forming method and image forming apparatus | Yukiko Nakajima, Akihiro Kotsugai, Ryota Inoue, Akiyoshi Sabu, 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, Ryota Inoue, Akiyoshi Sabu, Keiko Osaka +1 more | 2013-12-10 |
| 8603718 | Anisotropic magnetic material-dispersed resin carrier, electrophotographic developer, and developing device | Kazumi Suzuki, Masaki Yoshino, Hisao Kurosu, Tatsuya Morita, Tomoko Kino | 2013-12-10 |
| 8592118 | Toner, developer, image forming apparatus, and image forming method | Kazumi Suzuki, Tatsuya Morita | 2013-11-26 |
| 8329374 | Carrier, production method thereof, developer and image forming method | Ryota Inoue, Akihiro Kotsugai, Yoshihiro Moriya | 2012-12-11 |
| 8263302 | Carrier for electrophotography and two-component developer | Yoshihiro Moriya, Akihiro Kotsugai, Toyoshi Sawada, Ryota Inoue, Akiyoshi Sabu | 2012-09-11 |
| 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, Ryota Inoue, Yoshihiro Moriya | 2012-01-31 |
| 8084181 | Carrier and method for producing the same, developer and image forming method | Ryota Inoue, Masayuki Ishii, Yoshihiro Moriya, Takuya Seshita, Chiaki Tanaka | 2011-12-27 |
| 8043785 | Carrier, method for producing the same, developer, and image forming method | Ryota Inoue, Chiaki Tanaka, Masayuki Ishii, Yoshihiro Moriya | 2011-10-25 |