IK

Ichiro Koyanagi

SO Sony: 2 patents #12,963 of 25,231Top 55%
HG HGST: 1 patents #1,032 of 1,677Top 65%
Overall (All Time): #1,538,919 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8366321 Bearing unit, and motor and electronic apparatus having bearing unit Kenichiro Yazawa 2013-02-05
8134263 Bearing unit, motor using the bearing unit, and electronic equipment using the motor Kenichiro Yazawa, Hiroshi Sato, Yoshiaki Kakinuma 2012-03-13
7468868 Rotary disk storage device Takao Suzuki, Kohichi Takeuchi, Naoaki Kanada 2008-12-23