Hiroyuki Daichoh

HI Hitachi: 1 patents #17,742 of 28,497Top 65%

Overall (All Time): #3,504,487 of 4,157,543Top 85%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6529107	Speaker comprising ring magnet	Motoharu Shimizu	2003-03-04