Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6024798 | Method of spreading particles and spreading apparatus | Yuka Yamada | 2000-02-15 |
| 5814368 | Method of spreading particles and spreading apparatus | Yuka Yamada | 1998-09-29 |