Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11114084 | Resonance tube of horn | Hisanobu Ino, Ikuyo Ohsugi | 2021-09-07 |
MS
Masaaki Sakiyama
Overall (All Time): #2,748,343 of 4,157,543Top 70%
1
Patents All Time