Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663224 | Vibration-suppressing sound-shielding board | Keiichirou Tabata, Shozo Sugiki | 1987-05-05 |
NM
Nobufumi Matsudaira
Overall (All Time): #3,973,691 of 4,157,543Top 100%
1
Patents All Time