Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192420 | Vibration damper obtained by adjusting the resin and aromatic components of the asphalt base | Humio Ohta | 1993-03-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192420 | Vibration damper obtained by adjusting the resin and aromatic components of the asphalt base | Humio Ohta | 1993-03-09 |