Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815427 | Sericin-containing material, process for producing the same method of using the same | Hiromi Yamada, Yoko Takasu | 2004-11-09 |
| 6719985 | Cosmetic material containing crystalline superfine silk powder | Shoko Fujiura | 2004-04-13 |