Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6066316 | Fine dispersion composition of wax, hair cosmetic preparation and glazing agent | Yoshihiro Shiojima, Takayuki Omura, Yasunari Nakama | 2000-05-23 |
| 4919846 | Detergent composition containing a quaternary ammonium cationic surfactant and a carboxylate anionic surfactant | Yasunari Nakama, Kyoko OTSUBO, Tsunehiko Iwai, Shuya Tamaki, Masahiro Ohkoshi | 1990-04-24 |