Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440400 | Trimethylcylohexane derivatives and melanin-formation inhibitors and perfumeholding agents with the use of the same | Takashi Aida, Hiroyuki Matsuda, Tetsuro Yamasaki, Eiko Tamai, Kazuhiko Tokoro | 2002-08-27 |
| 6379659 | Keratin fiber strengthening agent and method for strengthening keratin fiber | Kazutoshi Sakurai, Miharu Ogura, Tetsuro Yamasaki, Kenichiro Shiroyama | 2002-04-30 |
| 6355627 | Branched cyclodextrin clathrate compound of hinokitiols and composition containing the same | Kazutoshi Sakurai | 2002-03-12 |