Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39043 | Collagen production promoter composition | Nao Kojima | 2006-03-28 |
| 6531165 | Collagen production promoter composition | Nao Kojima | 2003-03-11 |
| 6419962 | External skin treatment composition | Mineyuki Yokoyama, Hiroyuki Tsukada, Tetsuya Sakai, Shoko Yamaguchi, Yumiko Suzuki +2 more | 2002-07-16 |
| 5853705 | Anti-aging cosmetic composition | Shoji Nishiyama, Yoichi Shimatani, Shigetoyo Sawaki, Katsuhisa YAMADA, Kazufumi Naitoh | 1998-12-29 |
| 5306444 | Washing composition capable of preventing and ameliorating skin irritation | Kenji Kitamura, Naoe Akiyama, Eriko Kasahara | 1994-04-26 |