HK

Hidekazu Kodama

Yamaha: 1 patents #59 of 158Top 40%
YU Yupo: 1 patents #3 of 9Top 35%
Overall (2021): #434,094 of 548,734Top 80%
1
Patents 2021

Issued Patents 2021

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