Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580796 | Sound effect imparting apparatus | — | 2003-06-17 |
RK
Ryuichiro Kuroki
Overall (2003): #125,933 of 273,478Top 50%
1
Patents 2003