Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4738890 | Resin-impregnated base and method of manufacturing same | Yasuo Tohrin, Tokio Yoshimitsu, Motoyuki Akamatsu | 1988-04-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4738890 | Resin-impregnated base and method of manufacturing same | Yasuo Tohrin, Tokio Yoshimitsu, Motoyuki Akamatsu | 1988-04-19 |