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

David Rutherford

Disney: 22 patents #292 of 6,686Top 5%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
KTKabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Rancho Cordova, CA: #15 of 502 inventorsTop 3%
California: #19,737 of 386,348 inventorsTop 6%
Overall (All Time): #147,237 of 4,157,543Top 4%
27 Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
8681449 Calibrating servos Jason Adler, Man Cheung, Perry Neos, Luan Ton-That 2014-03-25
8619380 Detecting and recovering timing slips in a self servo write (SSW) system Man Cheung 2013-12-31
8493684 Calibrating voice coil motors Luan Ton-That 2013-07-23
8422158 Calibrating servos Man Cheung, Jerry Richgels, Perry Neos 2013-04-16
8284510 Detecting and recovering timing slips in a self servo write (SSW) system Man Cheung 2012-10-09
8194343 Calibrating servos Jason Adler, Man Cheung, Perry Neos, Luan Ton-That 2012-06-05
8184392 Calibrating servos Man Cheung, Jerry Richgels, Perry Neos 2012-05-22
8085492 Helicoid group switching Man Cheung, Perry Neos 2011-12-27
8068304 Calibrating servos Man Cheung, Jerry Richgels, Perry Neos 2011-11-29
8031428 Single-pass spiral self-servo-write 2011-10-04
8023216 Calibrating servos Man Cheung, Jerry Richgels, Perry Neos 2011-09-20
7995305 Calibrating voice coil motors Luan Ton-That 2011-08-09
7944313 Calibrating control loops Edward Ying, Pantas Sutardja 2011-05-17
7869158 Helicoid group switching Man Cheung, Perry Neos 2011-01-11
7777981 Method for improved insitu spiral writing 2010-08-17
7773334 Single-pass spiral self-servo-write 2010-08-10
7773335 Calibrating servos Jason Adler, Man Cheung, Perry Neos, Luan Ton-That 2010-08-10
7737793 Calibrating control loops Edward Ying, Pantas Sutardja 2010-06-15
7567404 Method for measuring actuator velocity during self-servo-write Luan Ton-That 2009-07-28
7561361 Dynamic synchronization of timing signals 2009-07-14
7471482 Method for improved insitu spiral writing 2008-12-30
7440224 Disk drive servo Richard M. Ehrlich 2008-10-21
7349171 Method for measuring actuator velocity during self-servo-write Luan Ton-That 2008-03-25
7292402 Systems and methods for multipass servowriting with a null burst pattern Richard M. Ehrlich 2007-11-06
7259931 Slider design for high fly write immunity Michael A. Baldwinson 2007-08-21