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

Hoan A. Au

IBM: 3 patents #26,272 of 70,183Top 40%
HGHGST: 1 patents #1,032 of 1,677Top 65%
Palo Alto, CA: #4,176 of 9,675 inventorsTop 45%
California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,237,729 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7920350 Adaptive data recovery procedure based on radial positioning Theofilos G. Fkiaras, David H. Jen, Bernd Lamberts, Kris Schouterden, Douglas Zuercher 2011-04-05
6519108 Method and apparatus for testing MR head instability using a criterion that removes normal head fluctuation from consideration Weining Zeng 2003-02-11
6249394 Method and apparatus for providing amplitude instability data recovery for AMR/GMR heads Robert Li, Xiang Feng, Peter C. Fang 2001-06-19
5266850 Clock delay trim adjustment with stopping feature for eliminating differential delay between clock signal and analog signal Arvind M. Patel, Robert A. Rutledge, Bum Suck So, Albert Su 1993-11-30