Hiroyasu Kumo

ON Onkyo: 1 patents #10 of 15Top 70%

Overall (2017): #402,240 of 506,227Top 80%

Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9818395	Acoustic diaphragm	Takaya Fujii	2017-11-14