HY

Hidehito Yamada

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,716,762 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5633846 Positioning device for optical disc apparatus Atsushi Okuyama, Takashi Yoshida, Fujio Tajima, Masamichi Ito, Yasuhiro Mii +1 more 1997-05-27