Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6528068 | Cosmetic composition containing N-acyl neutral amino acid esters of lower alcohols | Ryosuke Yumioka, Hiroji Ishii | 2003-03-04 |
| 6447790 | Oily material composition | Hiroji Ishii, Tomomichi Ichikawa, Toshihiko Funakubo | 2002-09-10 |
| 6387359 | Nonionic surfactant | Hiroji Ishii, Tomomichi Ichikawa, Toshihiko Funakubo | 2002-05-14 |
| 5283297 | Artificial hair from poly amino acid urethane fiber | Yasuyoshi Miyachi, Nobuo Ito | 1994-02-01 |