Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7317965 | Automatic sandal manufacturing and vending device | — | 2008-01-08 |
| 4891138 | Method of separating and transferring ion-exchange resin | Kanroku Chonan, Masahiro Hagiwara | 1990-01-02 |