Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10195828 | Acoustic material and musical instrument | Toshihisa Yamazaki, Eri HIRAI | 2019-02-05 |
HY
Hidefumi Yamauchi
Overall (2019): #443,160 of 560,194Top 80%
1
Patents 2019