Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8039725 | Electronic keyboard instrument | Takashi Kato, Takashi Fujita, Hideki Ishihara, Akiko Shinjo | 2011-10-18 |
AO
Akito Oba
Overall (All Time): #3,266,607 of 4,157,543Top 80%
1
Patents All Time