Tetsuya Yamakoshi

Yamaha: 2 patents #899 of 2,001Top 45%

Overall (All Time): #1,835,429 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
11250823	Musical instrument stand	—	2022-02-15
10692479	Musical instrument pickup and musical instrument	Banri Abe	2020-06-23