Inventor · Sudbury, MA, US

James Fitzpatrick

8Patents
7h-index
13Co-inventors
56Inventor score

Filing activity: Mar 29, 1984 → Aug 20, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5691857A Method using matched filters for determining head positioner micro-jog in hard disk drive employing magneto-resistive heads Physics 45 Expired
US5635933A Rate 16/17 (d=0,G=6/I=7) modulation code for a magnetic recording channel Physics 41 Expired
US5757294A Rate 24/25 modulation code for PRML recording channels Physics 41 Expired
US5784296A Method and apparatus for spectral analysis in a disk recording system Physics 36 Expired
US6184806A Rate 32/33 (D=0, K=6) run length limited modulation code having optimized error propagation Physics 18 Expired
US4595211A Snowmobile ski underlayer Emerging Cross-Sectional Technologies 15 Expired
US6222375A Synchronous calibration test circuit for use in recording systems Physics 10 Expired
US6940681B2 Optical to magnetic alignment in magnetic tape system Physics 5 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.