KO

Kiyomitsu Ohtsuka

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #4,063,023 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4423447 Head positioning mechanism for magnetic disc memory device Hiroshi Nishida, Tuyoshi Takahashi, Toshio Shiono 1983-12-27