KH

Keizo Harada

Yamaha: 3 patents #12 of 178Top 7%
Overall (2019): #81,944 of 560,194Top 15%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10192534 Percussion instrument Takuto Yudasaka, Masakazu Kato 2019-01-29
10187714 Sound pickup device and sound processing device Hideaki Takehisa, Nobuhiro Nambu, Masamichi Yano 2019-01-22
10171901 Sound pickup device and sound processing device Hideaki Takehisa, Nobuhiro Nambu, Masamichi Yano 2019-01-01