KO

Kenta Ohnishi

Yamaha: 2 patents #14 of 119Top 15%
Overall (2018): #129,751 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9959843 Sound producing apparatus, keyboard instrument, and sound production control method — 2018-05-01
9923363 Temperature measurement device and protective device for acoustic signal converter Jun Ishii 2018-03-20