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

Calvin S. Lo — 193 Patents

IBM: 192 patents #172 of 70,183Top 1%
Globalfoundries: 1 patents #2,221 of 4,424Top 55%
Saratoga, CA: #15 of 2,933 inventorsTop 1%
California: #595 of 386,348 inventorsTop 1%
Overall (All Time): #3,645 of 4,157,543Top 1%
193 Patents All Time

Issued Patents All Time

Showing 76–100 of 193 patents

Patent #TitleCo-InventorsDate
9947348 Tunnel magnetoresistive sensor having leads supporting three-dimensional current flow Robert G. Biskeborn, Robert E. Fontana, Jr. 2018-04-17
9940952 Abrasion test methods and devices Robert G. Biskeborn, Jason Liang 2018-04-10
9940954 Mass production of multichannel current perpendicular to plane head modules via preferred milling Robert G. Biskeborn 2018-04-10
9911440 Differing magnetic read sensors on a magnetic head Robert G. Biskeborn, Peter VanderSalm Koeppe 2018-03-06
9892753 Skiving block for mitigating protruding defects from magnetic tape recording media Robert G. Biskeborn 2018-02-13
9892747 Current perpendicular-to-plane sensors having hard spacers Robert G. Biskeborn, Robert E. Fontana, Jr., Jason Liang 2018-02-13
9886972 Magnetic recording head having protected reader sensors and near zero recessed write poles Robert G. Biskeborn, Jason Liang, Andrew C. Ting 2018-02-06
9865300 Magnetic tape abrasivity measurement Robert G. Biskeborn 2018-01-09
9837103 Polycrystalline dielectric coating for cobalt iron alloy thin films Robert G. Biskeborn, Teya Topuria 2017-12-05
9818435 Tunnel magnetoresistive sensor having stabilized magnetic shield and dielectric gap sensor Robert G. Biskeborn, Robert E. Fontana, Jr. 2017-11-14
9799355 High accuracy tape bearing surface length definition process for tape head fabrication Robert G. Biskeborn 2017-10-24
9792947 Skiving block for mitigating protruding defects from magnetic tape recording media Robert G. Biskeborn 2017-10-17
9779767 Magnetic read head having a CPP MR sensor electrically isolated from a top shield Robert G. Biskeborn, Robert E. Fontana, Jr., Jason Liang 2017-10-03
9779766 High accuracy tape bearing surface length definition process by closure lapping for tape head fabrication Robert G. Biskeborn 2017-10-03
9773513 Hardening chromium oxide films in a magnetic tape head and other structures Robert G. Biskeborn, Charles Thomas Rettner, Philip M. Rice, Teya Topuria, Kumar R. Virwani 2017-09-26
9767830 Electrically non-conductive magnetic shield laminate structure for contact recording sensor Robert G. Biskeborn, Andrew C. Ting 2017-09-19
9757498 Bonded alumina coating for stainless steel Robert G. Biskeborn, Philip M. Rice, Teya Topuria 2017-09-12
9754616 Magnetic head and system having offset arrays Robert G. Biskeborn, Philipp Herget 2017-09-05
9747930 Tunnel valve read sensor with crystalline alumina tunnel barrier deposited using room temperature techniques Robert G. Biskeborn, Teya Topuria 2017-08-29
9747931 Tunnel magnetoresistive sensor having stabilized magnetic shield and dielectric gap sensor Robert G. Biskeborn, Robert E. Fontana, Jr. 2017-08-29
9721601 Quasi-statically oriented, bi-directional tape recording head Robert G. Biskeborn 2017-08-01
9721597 TMR head design with insulative layers for shorting mitigation Robert G. Biskeborn, Robert E. Fontana, Jr., Jason Liang 2017-08-01
9715891 Tape recording head having non-parallel gaps and dissimilar transducer pitches Robert G. Biskeborn 2017-07-25
9715886 Miniskirt tape head having quasi-statically tilted transducer arrays Robert G. Biskeborn 2017-07-25
9711170 High accuracy bearing surface slotting process for tape head fabrication Robert G. Biskeborn 2017-07-18