Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10222721 | Urethane foam and toner-conveying roller using the same | Junichiro Sato, Katsuya Seki, Youhei Takeda | 2019-03-05 |
| 9563154 | Toner transfer roller and image forming device using the same | Junichiro Sato | 2017-02-07 |
| 9316958 | Charge-controlled polyurethane foam and toner-conveying roller using the same | Junichiro Sato, Katsuya Seki, Masaru Otsuka, Youhei Takeda | 2016-04-19 |
| 8452217 | Toner supply and cleaning roller comprising electroconductive elastic layer supported by means of adhesive layer and image forming apparatus using the same | Junichiro Sato | 2013-05-28 |