Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8916757 | Lid opening/closing mechanism for keyboard musical instrument | Sayo Tsuchimoto, Hiroki Nakaya | 2014-12-23 |
HN
Hiromi Negi
Overall (All Time): #3,140,027 of 4,157,543Top 80%
1
Patents All Time