Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139852 | Extract composition as hair growth phase extender | Eriko Takeoka, Chika Hamada, Jun Suzuki, Tsutomu Souma, Masashi Ogou +1 more | 2000-10-31 |
| 5973000 | Hair revitalization tonic composition containing a lipid derivative and use thereof | Tsunao Magara, Yoshiharu Tsuji, Chika Hamada, Eriko Takeoka, Masahiro Tajima +1 more | 1999-10-26 |