Issued Patents 2002
Showing 1–2 of 2 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, Kenya Ishida, Tetsuro Yamasaki, Kazuhiko Tokoro | 2002-08-27 |
| 6384074 | Cell growth activating composition containing compound having labdane structure | Katsuyoshi Tsuchiya, Yoichiro Nishizawa, Minoru Hanada, Kazuhiko Tokoro | 2002-05-07 |