Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087729 | Benzylidene compounds, cosmetic compositions containing the same and ultraviolet absorber comprising the same | Toru Kobayashi, Takeshi Miyoshi, Hideaki Kawashima | 1992-02-11 |
| 4985237 | Benzylidene compounds, cosmetic compositions containing the same and ultraviolet absorber comprising the same | Toru Kobayashi, Takeshi Miyoshi, Hideaki Kawashima | 1991-01-15 |
| 4797493 | Benzylidene compounds | Toru Kobayashi, Takeshi Miyoshi, Hideaki Kawashima | 1989-01-10 |