Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8236911 | Water-soluble resin, hair cosmetic material containing the same, and silicone oil adsorption assistant | Shoya Yoda, Yuko Yoda | 2012-08-07 |
| 6616920 | Nail-care composition containing nail-care polymer | Kayo Ito, Shigeoki Kawaguchi, Yukio Saito, Kazuhide Hayama | 2003-09-09 |
| 6375932 | Hair cosmetic composition containing amine-oxide polymer | Yasuo Kitani, Kanji Narazaki, Kayo Itou, Kazuhide Hayama | 2002-04-23 |
| 6123933 | Hair cosmetic compositions | Kazuhide Hayama, Yasuo Kitani | 2000-09-26 |
| 5362485 | Hair cosmetic compositions comprising sulfide linked polysiloxanes | Kazuhide Hayama, Kanji Narazaki, Yukio Saitoh, Isao Itoh, Sigeoki Kawaguchi | 1994-11-08 |