YS

Yozo Shirotori

SS Sankyo Seiki Seisakusho: 4 patents #27 of 287Top 10%
Overall (All Time): #1,299,145 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4984909 Bearing device — 1991-01-15
4907897 Bearing device — 1990-03-13
4882643 Disc drive motor — 1989-11-21
4818907 Brushless motor for driving magnetic disks — 1989-04-04