Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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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 176–193 of 193 patents

Patent #TitleCo-InventorsDate
8130467 Planar write module and hybrid planar write-vertical read bidirectional tape head Robert G. Biskeborn 2012-03-06
8111480 Electronic component and tape head having a closure Annayya P. Deshpande, Kevin Luong, Artemio Juan Torres 2012-02-07
8027124 Magnetic head Robert G. Biskeborn 2011-09-27
7990659 Magnetic head with protective films Robert G. Biskeborn, Jason Liang, Teya Topuria 2011-08-02
7883607 Methods of ion milling for magnetic heads and systems formed thereby Robert G. Biskeborn, Cherngye Hwang, Andrew C. Ting 2011-02-08
7841069 Method for manufacturing a thin closure magnetic head Robert G. Biskeborn 2010-11-30
7782564 Methods for enabling functionality in multi-modal data storage systems Robert G. Biskeborn, Jason Liang 2010-08-24
7766236 Method for reading data using multi-format magnetic head Robert G. Biskeborn 2010-08-03
7681793 Multi-format magnetic head Robert G. Biskeborn 2010-03-23
7660072 Magnetic head with planar outrigger Robert G. Biskeborn, Jason Liang 2010-02-09
7646565 Tape head with outrigger Robert G. Biskeborn, Jason Liang 2010-01-12
7602579 Methods for enabling functionality in multi-modal data storage systems Robert G. Biskeborn, Jason Liang 2009-10-13
7551385 Systems and method for selectively controlling a state of hydration of a magnetic data storage medium Robert G. Biskeborn 2009-06-23
7446974 Electronic component and tape head having a closure Annayya P. Deshpande, Kevin Luong, Artemio Juan Torres 2008-11-04
7167339 Method for producing and inspecting tape head air-skiving edges Robert G. Biskeborn, Luis Hector Palacios Borja, Kevin Luong, Sassan K. Shahidi 2007-01-23
7161764 Thin-film tape head having single groove formed in head body and corresponding process Robert G. Biskeborn, Annayya P. Deshpande, Kevin Luong, Abel Taina, Artemio Juan Torres 2007-01-09
6863061 Row slicing method in tape head fabrication Annayya P. Deshpande, Kevin Luong, Artemio Juan Torres 2005-03-08
6468376 Precision bonding method and apparatus Robert G. Biskeborn, Annayya P. Deshpande, Artemio Juan Torres 2002-10-22