Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9314415 | Skin lightening compositions | Yoko Niki, Masaki Yoshida, Masamitsu Ichihashi, Daniel B. Yarosh, Mary S. Matsui | 2016-04-19 |
| 8992897 | Skin lightening compositions | Yoko Niki, Masaki Yoshida, Masamitsu Ichihashi, Daniel B. Yarosh, Mary S. Matsui | 2015-03-31 |
| 8722026 | Skin lightening compositions | Yoko Niki, Masaki Yoshida, Masamitsu Ichihashi, Daniel B. Yarosh, Mary S. Matsui | 2014-05-13 |
| 6669932 | Skin-whitening cosmetic | Hiromichi Imanaka, Taketoshi Makino | 2003-12-30 |
| 5556970 | Lanolin fatty acids, a method for their fractionation, cosmetics and drugs for external use | Toshiyuki Kawasaki, Isao Kato, Kenji Noda, Masakatsu Osaki, Katsuhiko Miyazaki +1 more | 1996-09-17 |
| 5078989 | Skin whitening cosmetics | Mitsuaki Shimizu, Akira Hashimoto, Hisatoya Kato, Yoshitsugu Ozasa | 1992-01-07 |