Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10433605 | Acrylic fiber for artificial hair, manufacturing method therefor and head accessory containing same | Takeshi Tanaka, Akihiro Okamoto, Tomomichi Hashimoto | 2019-10-08 |