KH

Kunio Hiyama

Yamaha: 1 patents #59 of 158Top 40%
YU Yupo: 1 patents #3 of 9Top 35%
Overall (2021): #368,391 of 548,734Top 70%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11176918 Piezoelectric element and musical instrument Hiroshi Koike, Yutaro SUGAMATA, Seiichiro Iida, Suguru Sasaki, Hidekazu Kodama 2021-11-16