Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9557670 | Toner, developer, and color toner set | Masana Shiba, Hiroshi Yamashita, Tsuyoshi Sugimoto, Daisuke Asahina, Rintaro Takahashi +1 more | 2017-01-31 |
| 9239530 | Toner for forming electrostatic image, developer, process cartridge, and image forming apparatus | Daisuke Asahina, Hiroshi Yamashita, Masana Shiba, Tsuyoshi Sugimoto, Rintaro Takahashi | 2016-01-19 |
| 8986916 | Yellow toner and color image forming method | Hiroshi Yamashita, Masana Shiba, Satoyuki Sekiguchi, Daisuke Asahina, Rintaro Takahashi +1 more | 2015-03-24 |
| 8932789 | Toner and developer | Tsuyoshi Sugimoto, Hiroshi Yamashita, Daisuke Asahina, Satoyuki Sekiguchi, Rintaro Takahashi +2 more | 2015-01-13 |