Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9560891 | Polyester-based fiber for artificial hair and hair ornament product including the same, and method for producing the same | Tomomichi Hashimoto, Kohei Kawamura, Mika Yorizane | 2017-02-07 |
| 9315922 | Polyester-based fiber for artificial hair and hair ornament product including the same | Tomomichi Hashimoto, Mika Yorizane, Kohei Kawamura | 2016-04-19 |
| 7906209 | Fiber for artificial hair with improved processability and hair accessory using the same | Seiichi Sakurai, Satoru Harada | 2011-03-15 |