Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137123 | Brake disk | Tamotsu Setogawa, Takahiro Hachigoh | 1992-08-11 |
| 4304612 | Method of treatment to remove harmful material from electric products impregnated with poly-chlorinated-biphenyl | — | 1981-12-08 |