Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6082489 | Sound isolation plate structure | Keijiro Iwao | 2000-07-04 |
| 6012543 | Sound isolation plate structure | Keijiro Iwao | 2000-01-11 |
YS
Yuji Shimpo
Overall (All Time): #2,233,509 of 4,157,543Top 55%
2
Patents All Time