Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5261005 | Sound field control device | — | 1993-11-09 |
IM
Iwamatsu Masayuki
Overall (All Time): #3,837,290 of 4,157,543Top 95%
1
Patents All Time