Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7901668 | Silk fibroin emulsifier and process for the production thereof | Kozo Tsubouchi | 2011-03-08 |
| 6719985 | Cosmetic material containing crystalline superfine silk powder | Kozo Tsubouchi | 2004-04-13 |