Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10281267 | Method for evaluating flow of skin, method for examining skin glow improvers, and skin glow improver | Yuji Masuda, Tomohiro Kuwahara | 2019-05-07 |
| 9970848 | Method for evaluating state of horny layer and method for evaluating horny layer improvement effect of cosmetic preparation | Ichiro Iwai | 2018-05-15 |
| 9714936 | Method for evaluating cosmetic | Ichiro Iwai | 2017-07-25 |
| 6169114 | Endermic liniment containing a thiol compound and zinc oxide | Kenji Yamaguchi, Masako Naganuma, Masato Hatao, Ichiro Iwai | 2001-01-02 |
| 5631002 | Liniment for melanin inhibitors | Hisayuki Komasaki, Yuki Shibata, Masako Naganuma, Minoru Fukuda | 1997-05-20 |
| 5182103 | Magnesium aluminometasilicate coated composite powder and use thereof | Toshihiko Nakane, Masumi Koishi, Hiroshi Fukui, Yutaka Okunuki, Yoshio Yahata +13 more | 1993-01-26 |
| 5122418 | Composite powder and production process | Toshihiko Nakane, Masumi Koishi, Hiroshi Fukui, Yutaka Okunuki, Yoshio Yahata +11 more | 1992-06-16 |