Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12167762 | Core-sheath composite fiber for artificial hair, headdress product including same, and production method therefor | Norikazu Yasutomo, Hiroshi Fujinaga | 2024-12-17 |
| 12031241 | Core-sheath composite fiber for artificial hair, headdress product including same, and production method therefor | Norikazu Yasutomo, Hiroshi Fujinaga, Takashi Ogino | 2024-07-09 |