Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10156800 | Toner, developing device, and image forming apparatus | Naoki Okamoto, Takashi Matsui, Yuujirou Nagashima, Keisuke Tanaka | 2018-12-18 |
| 10012919 | Toner, developing apparatus, and image-forming apparatus | Takashi Matsui, Yuujirou Nagashima, Keisuke Tanaka, Naoki Okamoto | 2018-07-03 |
| 9904195 | Toner, image forming apparatus, and image forming method | Takashi Matsui, Naoki Okamoto, Satoshi Arimura, Keisuke Tanaka | 2018-02-27 |
| 9857707 | Toner | Takashi Matsui, Satoshi Arimura, Kozue Uratani, Keisuke Tanaka, Naoki Okamoto | 2018-01-02 |