HH

Hiroo Hiroyama

HI Hitachi: 1 patents #856 of 3,149Top 30%
Overall (1994): #126,133 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5325006 Sealed magnetic fluid bearing for polygon mirror drive motor Satosi Uno, Sueo Akashi, Katsutoshi Nii, Kazuhiko Kawaike, Kosho Ishizaki 1994-06-28