Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6710038 | Emulsification method using propylene glycol hyaluronate | Hideki Hirai | 2004-03-23 |
| 6514744 | External compositions for skin comprising sphingoglycolipid | Katsumi Murata, Takashi Nozawa, Hisako Hara, Sachio Wakayama | 2003-02-04 |
| 6348201 | External composition for skin comprising sphingoglycolipid | Katsumi Murata, Takashi Nozawa, Hisako Hara, Sachio Wakayama | 2002-02-19 |