Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7576125 | Melanogenesis inhibitor and skin preparation containing the same | Kenya Ishida | 2009-08-18 |
| 6759557 | Melanin production inhibitors and skincare products containing such inhibitors | Hiroyuki Matsuda, Hiroyasu Kumamoto, Misao Yagi, Kenichi Yamamoto, Toshimitsu Hagiwara +1 more | 2004-07-06 |
| 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 |
| 6313214 | Melanin inhibiting and cell growth activating compositions containing compounds having labdane structure | Katsuyoshi Tsuchiya, Yoichiro Nishizawa, Minoru Hanada, Kazuhiko Tokoro | 2001-11-06 |
| 6280754 | Dermal topical formulations | Minoru Hanada, Kazuhiko Tokoro | 2001-08-28 |