Issued Patents All Time
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 | Kozo Tsubouchi, Hiromi Yamada | 2004-11-09 |
| 6440740 | Material for activating epidermal cell multiplication | Kozo Tsubouchi, Hiromi Yamada | 2002-08-27 |