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 126–150 of 193 patents

Patent #TitleCo-InventorsDate
9343097 Method of forming magnetic recording head having protected reader sensors and near zero recession writer poles Robert G. Biskeborn, W. Stanley Czarnecki, Philipp Herget 2016-05-17
9330714 Tape media kiss-contact read verification Robert G. Biskeborn, Tak H. Wong, Xu Yan 2016-05-03
9330686 Miniskirt tape head having quasi-statically tilted transducer arrays Robert G. Biskeborn 2016-05-03
9303307 Bonded alumina coating for stainless steel Robert G. Biskeborn, Philip M. Rice, Teya Topuria 2016-04-05
9299369 Multichannel data storage apparatus having abrasion resistant barrier Robert G. Biskeborn 2016-03-29
9299365 Miniskirt tape head having quasi-statically tilted transducer arrays Robert G. Biskeborn 2016-03-29
9293158 Apparatus having tunnel magnetoresistive sensor for contact recording Robert G. Biskeborn 2016-03-22
9293152 Abrasion test methods and devices Robert G. Biskeborn, Jason Liang 2016-03-22
9280991 TMR head design with insulative layers for shorting mitigation Robert G. Biskeborn, Robert E. Fontana, Jr., Jason Liang 2016-03-08
9263087 Quasi-statically tilted head having dilated transducer pitch Robert G. Biskeborn 2016-02-16
9263068 Magnetic read head having a CPP MR sensor electrically isolated from a top shield Robert G. Biskeborn, Robert E. Fontana, Jr., Jason Liang 2016-02-16
9251825 Backward compatible head for quasi-static tilted reading and/or recording Robert G. Biskeborn 2016-02-02
9218838 Quasi-statically tilted head having offset reader/writer transducer pairs Robert G. Biskeborn 2015-12-22
9214164 Miniskirt tape head having quasi-statically tilted transducer arrays Robert G. Biskeborn 2015-12-15
9208809 Magnetic head and system having offset arrays Robert G. Biskeborn, Philipp Herget 2015-12-08
9159359 Tape media kiss-contact read verification Robert G. Biskeborn, Tak H. Wong, Xu Yan 2015-10-13
9129631 Shingle verify archive appliance Robert G. Biskeborn 2015-09-08
9129614 Magnetic head having canted arrays Robert G. Biskeborn 2015-09-08
9105291 Tape recording head having non-parallel gaps and dissimilar transducer pitches Robert G. Biskeborn 2015-08-11
9093087 Apparatus with a lapping guide within a span of the transducer array Robert G. Biskeborn, Robert E. Fontana, Jr. 2015-07-28
9053723 Magnetic recording head having quilted-type coating Robert G. Biskeborn 2015-06-09
9036297 Magnetic recording head having protected reader sensors and near zero recession writer poles Robert G. Biskeborn, W. Stanley Czarnecki, Philipp Herget 2015-05-19
9011704 Methods for texturing magnetic head surface Robert G. Biskeborn, Cherngye Hwang, Jason Liang 2015-04-21
9007712 Backward compatible head for quasi-static tilted reading and/or recording Robert G. Biskeborn 2015-04-14
9001462 Universal magnetic recording head chip Robert G. Biskeborn, Kevin Luong 2015-04-07