Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859252 | High damping capacity alloy and a process for producing the same | Hakaru Masumoto, Showhachi Sawaya | 1989-08-22 |
| 4684414 | High damping capacity alloy and a process for producing the same | Hakaru Masumoto, Showhachi Sawaya | 1987-08-04 |
| 4650528 | High damping capacity aluminum alloy | Hakaru Masumoto, Showhachi Sawaya | 1987-03-17 |