Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6309653 | Cholesterol ester clathrate, water-holding composition, hydrous compositions, cosmetics containing the same, and process for the preparation thereof | Yohei Hamano, Akio Nasu, Takashi Minami, Takayuki Miyazaki, Noriko Tomita +4 more | 2001-10-30 |
| 5879692 | Tocopheryl ascorbyl phosphate-cyclodextrin clathrate and a topical dermal composition containing said clathrate | Yohei Hamano, Hajime Matsuda | 1999-03-09 |
| 5871759 | Cholesterol ester clathrate, water-holding composition, hydrous compositions, cosmetics containing the same, and processes for the preparation thereof | Yohei Hamano, Akio Nasu, Takashi Minami, Takayuki Miyazaki, Noriko Tomita +4 more | 1999-02-16 |
| 5449771 | Method for recovering cyclodextrin | Nobuyuki Nakamura, Mikio Yamamoto | 1995-09-12 |