EY

Edward J. Yarmchuk

IBM: 57 patents #1,416 of 70,183Top 3%
HG HGST: 8 patents #217 of 1,677Top 15%
HB Hitachi Global Technologies Netherlands B.V.: 1 patents #2 of 42Top 5%
📍 Armonk, NY: #5 of 167 inventorsTop 3%
🗺 New York: #1,187 of 115,490 inventorsTop 2%
Overall (All Time): #32,851 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 26–50 of 66 patents

Patent #TitleCo-InventorsDate
6411453 Methods, apparatus and program products for determining off-track time shaft estimates to be used in writing timing patterns on a storage medium Timothy J. Chainer, Mark D. Schultz 2002-06-25
6344942 Method and apparatus for absolute track spacing determination for self-servowriting 2002-02-05
6324027 Method and apparatus for correcting for random errors in timing pattern generation Timothy J. Chainer, Mark D. Schultz, Bucknell C. Webb 2001-11-27
6307697 Method and apparatus for correcting for systematic errors in timing pattern generation Timothy J. Chainer, Anthony P. Praino, Mark D. Schultz, Bucknell C. Webb 2001-10-23
6301071 Methods and systems for self-servowriting including maintaining a reference level within a usable dynamic range Timothy J. Chainer, Mark D. Schultz, Bucknell C. Webb 2001-10-09
6259574 Trigger pattern detection method and apparatus Timothy J. Chainer, Mark D. Schultz, Bucknell C. Webb 2001-07-10
6252732 Method and apparatus for correcting systematic errors in timing pattern generation Timothy J. Chainer, Anthony P. Praino, Mark D. Schultz, Bucknell C. Webb 2001-06-26
6249399 Methods and systems for self-servowriting including maintaining a reference level within a useable dynamic range Timothy J. Chainer, Mark D. Schultz, Bucknell C. Webb 2001-06-19
6242923 Method for detecting power plane-to-power plane shorts and I/O net-to power plane shorts in modules and printed circuit boards Michael E. Scaman, Arnold Halperin 2001-06-05
6215606 Method and system for determining the widest recording head of a recording device Timothy J. Chainer, Wayne J. Sohn 2001-04-10
6141093 Method and apparatus for locating power plane shorts using polarized light microscopy Bernell E. Argyle, Arnold Halperin, Michael E. Scaman 2000-10-31
6101063 Methods and systems for self-servowriting including maintaining a reference level within a usable dynamic range Timothy J. Chainer, Mark D. Schultz, Bucknell C. Webb 2000-08-08
6101055 Trigger pattern detection method and apparatus Timothy J. Chainer, Mark D. Schultz, Bucknell C. Webb 2000-08-08
6078450 Method and apparatus for correcting for random errors in timing pattern generation Timothy J. Chainer, Anthony P. Praino, Mark D. Schultz, Bucknell C. Webb 2000-06-20
6075668 Method and apparatus for correcting for random errors in timing pattern generation Timothy J. Chainer, Anthony P. Praino, Mark D. Schultz, Bucknell C. Webb 2000-06-13
6031680 Methods and systems for self-servowriting including maintaining a reference level within a usable dynamic range Timothy J. Chainer, Mark D. Schultz, Bucknell C. Webb 2000-02-29
6005738 Methods and systems for self-servo-writing including writing positioning and timing bursts at different track pitches Timothy J. Chainer, Mark D. Schultz, Bucknell C. Webb 1999-12-21
5991115 Method and apparatus for determining separation between read and write elements of a transducer Timothy J. Chainer, Anthony P. Praino, Mark D. Schultz, Bucknell C. Webb 1999-11-23
5907447 Radial self-propagation pattern generation for disk file servowriting Mark D. Schultz, Bucknell C. Webb, Timothy J. Chainer 1999-05-25
5901003 Method and apparatus for determining systematic errors Timothy J. Chainer, Anthony P. Praino, Mark D. Schultz, Bucknell C. Webb 1999-05-04
5875064 Method and system for accurate self-servowriting with normalization in a disk drive Timothy J. Chainer, Mark D. Schultz, Bucknell C. Webb 1999-02-23
5844742 Radial self-propagation pattern generation for disk file servowriting Mark D. Schultz, Bucknell C. Webb, Timothy J. Chainer 1998-12-01
5821759 Method and apparatus for detecting shorts in a multi-layer electronic package Michael E. Scaman, Yuet-Ying Yu 1998-10-13
5793554 Self-servowriting system with dynamic error propagation reduction Timothy J. Chainer, Mark D. Schultz, Bucknell C. Webb 1998-08-11
5757574 Methods and systems for self-servowriting including maintaining a reference level within a usable dynamic range Timothy J. Chainer, Mark D. Schultz, Bucknell C. Webb 1998-05-26