Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5474778 | Cosmetic and an external preparation containing an oil-soluble n-long chained acyl acidic amino acid ester | Tomomichi Ichikawa, Tohru Kobayashi | 1995-12-12 |
| 5153340 | Oil-soluble N-long chained acyl acidic amino acid ester, mixture thereof and perfuming cosmetics containing the same | Tomomichi Ichikawa, Tohru Kobayashi | 1992-10-06 |