Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8986916 | Yellow toner and color image forming method | Hiroshi Yamashita, Masana Shiba, Yukari Fukuda, Daisuke Asahina, Rintaro Takahashi +1 more | 2015-03-24 |
| 8932789 | Toner and developer | Tsuyoshi Sugimoto, Hiroshi Yamashita, Daisuke Asahina, Rintaro Takahashi, Masana Shiba +2 more | 2015-01-13 |
| 8895217 | Electrostatic image forming toner and developer | Daisuke Asahina, Tsuyoshi Sugimoto, Rintaro Takahashi, Hiroshi Yamashita, Taichi Nemoto +2 more | 2014-11-25 |
| 8846810 | Polymer particle and method for producing the same | Nobuyuki Mase, Takeshi Sako, Idzumi Okajima, Shunsuke Mori, Keishi Mizuno +4 more | 2014-09-30 |
| 8728703 | Electrophotographic toner, method for producing toner, developer and image forming apparatus containing toner | Hiroshi Yamashita, Daisuke Asahina, Tsuyoshi Sugimoto, Masaki Watanabe, Rintaro Takahashi | 2014-05-20 |
| 8592117 | Toner and developer | Tsuyoshi Sugimoto, Hiroshi Yamashita, Daisuke Asahina, Masaki Watanabe, Rintaro Takahashi | 2013-11-26 |
| 8568951 | Toner, method of manufacturing toner, image forming method, image forming apparatus, and process cartridge | Masaki Watanabe, Hiroshi Yamashita | 2013-10-29 |
| 8546056 | Toner and method of manufacturing toner | Susumu Chiba, Hiroshi Yamashita, Masaki Watanabe, Daisuke Asahina | 2013-10-01 |
| 8299190 | Colored polymer particles, method for producing the same, and toner and developer using the same | Takeshi Sako, Idzumi Okajima, Takahiro Yamashita, Chiaki Tanaka, Shogo Suzuki +1 more | 2012-10-30 |