Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5817155 | Emulsion for hair treatment | Masaaki Yasuda, Fumiaki Matsuzaki, Toshio Yanaki, Hideo Nakajima, Michihiro Yamaguchi +1 more | 1998-10-06 |
| 5785961 | Mixing-at the time of use-type hair-treating composition | Yasunari Nakama, Yoko Takeshita, Michihiro Yamaguchi, Masa'aki Yasuda | 1998-07-28 |