KT

Keizo Tatsumi

Yamaha: 2 patents #22 of 158Top 15%
Overall (2021): #141,083 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D929494 Wind instrument Yuichiro Suenaga 2021-08-31
D929495 Wind instrument Yuichiro Suenaga 2021-08-31