Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DS

Dian Song — 28 Patents

STSeagate Technology: 27 patents #178 of 4,626Top 4%
UMUniversity Of Maryland: 1 patents #209 of 857Top 25%
Eden Prairie, MN: #88 of 1,491 inventorsTop 6%
Minnesota: #2,175 of 52,454 inventorsTop 5%
Overall (All Time): #139,092 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
6411478 Spin tunnel junction recording heads using an edge junction structure with CIP Sining Mao 2002-06-25
6396668 Planar double spin valve read head Sining Mao 2002-05-28
5491411 Method and apparatus for imaging microscopic spatial variations in small currents and magnetic fields Frederick C. Wellstood, Anna Mathai, Randall Black 1996-02-13