Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8679714 | Toner, developer, and image forming method | Ryota Inoue, Akihiro Kotsugai, Akiyoshi Sabu, Shingo Sakashita, Keiko Osaka +3 more | 2014-03-25 |
| 8663888 | Toner | Yasutada Shitara, Yohichiroh Watanabe, Yasuo Katano, Shinya Nakayama, Ryota Inoue +3 more | 2014-03-04 |
| 8658340 | Toner, development agent, and image forming method | Shingo Sakashita, Shinya Nakayama, Ryota Inoue, Akiyoshi Sabu, Yukiko Nakajima +1 more | 2014-02-25 |
| 8329374 | Carrier, production method thereof, developer and image forming method | Ryota Inoue, Akihiro Kotsugai, Shingo Sakashita | 2012-12-11 |
| 8263302 | Carrier for electrophotography and two-component developer | Akihiro Kotsugai, Toyoshi Sawada, Ryota Inoue, Akiyoshi Sabu, Shingo Sakashita | 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, Shingo Sakashita | 2012-01-31 |
| 8084181 | Carrier and method for producing the same, developer and image forming method | Ryota Inoue, Masayuki Ishii, Takuya Seshita, Shingo Sakashita, Chiaki Tanaka | 2011-12-27 |
| 8043785 | Carrier, method for producing the same, developer, and image forming method | Ryota Inoue, Chiaki Tanaka, Masayuki Ishii, Shingo Sakashita | 2011-10-25 |
| 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, Shinichi Wakamatsu, Akihiro Kotsugai | 2010-05-04 |