Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798615 | Process for making a filter for molten metal having a high melting point | Toshinari Amakasu, Ken Ugata, Shoichi Yoshino | 1989-01-17 |
SF
Shigemi Fukuta
Overall (All Time): #3,919,227 of 4,157,543Top 95%
1
Patents All Time