HH

Harumichi Hotta

Yamaha: 1 patents #37 of 116Top 35%
Overall (2023): #431,349 of 537,848Top 85%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11657790 Operation detection device for key operation of keyboard device, operation detection method of key operation, and keyboard device Kenichi Nishida, Jun Ishii 2023-05-23