Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5766611 | Cosmetic products containing a soluble glass | Koichi Yamamoto, Toshiyuki Onishi, Ryota Miyoshi | 1998-06-16 |
| 5290544 | Cosmetic products containing a soluble glass | Koichi Yamamoto, Toshiyuki Onishi, Ryota Miyoshi | 1994-03-01 |