Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148997 | Slag crushing device | Kazushi Gotoh | 1992-09-22 |
| 4388133 | Method of manufacturing artificial wood veneer | Shozo Hirao, Yasuhiro Saihara, Ichiro Ihara, Yoshio Sano | 1983-06-14 |