Hirofumi Hatanaka

ON Onkyo: 1 patents #2 of 15Top 15%

Overall (2020): #450,825 of 565,922Top 80%

Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D875064	Amplifier rear face	Shinya Suzuki	2020-02-11