Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Reed A. Hancock — 68 Patents

IBM: 66 patents #1,150 of 70,183Top 2%
Globalfoundries: 2 patents #1,397 of 4,424Top 35%
Tucson, AZ: #68 of 6,004 inventorsTop 2%
Arizona: #257 of 32,909 inventorsTop 1%
Overall (All Time): #31,225 of 4,157,543Top 1%
68 Patents All Time

Issued Patents All Time

Showing 26–50 of 68 patents

Patent #TitleCo-InventorsDate
8743508 Magnetically biased tilting roller bearing tape guidance Armando Jesus Argumedo, Nhan X. Bui, William M. Dyer, David H. F. Harper, Wayne Isami Imaino +1 more 2014-06-03
8724246 System for fast center calibration of a tape drive for a flangeless tape path Nhan X. Bui, Randy C. Inch 2014-05-13
8711501 Customizing a range of acceptable tape dimensional stability write conditions Edwin R. Childers, Paul J. Seger 2014-04-29
8687314 Methods for fast center calibration of a tape drive for a flangeless tape path Nhan X. Bui, Randy C. Inch 2014-04-01
8611038 System, method, and computer program product for servo compensator switching in high vibration environments Nhan X. Bui, Tomoko Taketomi 2013-12-17
8587890 Tape drive provided write format for overwrite erasure of magnetic tape data recorded in tracks Nhan X. Bui, Edwin R. Childers 2013-11-19
8559124 Cartridge refresh and verify Scott M. Fry, James M. Karp, Pamela R. Nylander-Hill, Eiji Ogura 2013-10-15
8526134 System for fast center calibration of a tape drive for a flangeless tape path Nhan X. Bui, Randy C. Inch 2013-09-03
8520332 Method for fast recovery to a write state Nhan X. Bui, Tomoko Taketomi 2013-08-27
8493682 Head wrap procedure Nhan X. Bui, Ernest S. Gale, Kazuhiro Tsuruta 2013-07-23
8446684 Magnetic tape servo format allowing for increased linear tape density and systems thereof Nhan X. Bui, Giovanni Cherubini, Evangelos S. Eleftheriou, Robert A. Hutchins 2013-05-21
8446119 Controlling an electric motor by dynamic switching Allen Keith Bates, Nhan X. Bui, Wayne Isami Imaino, Daniel J. Winarski 2013-05-21
8405926 Tape drive velocity control Nhan X. Bui, Randy C. Inch, Shuhei Nadehara, Eiji Ogura, Kazuhiro Tsuruta 2013-03-26
8288979 Motor control mechanism for electric vehicles Allen Keith Bates, Nhan X. Bui, Wayne Isami Imaino, Daniel J. Winarski 2012-10-16
8270114 Magnetically biased tilting roller bearing tape guidance Armando Jesus Argumedo, Nhan X. Bui, William M. Dyer, David H. F. Harper, Wayne Isami Imaino +1 more 2012-09-18
8223450 Cartridge refresh and verify Scott M. Fry, James M. Karp, Pamela R. Nylander-Hill, Eiji Ogura 2012-07-17
8159770 Apparatus and method to transfer data to and from a sequential information storage medium Nhan X. Bui, Robert A. Hutchins, Larry LeeRoy Tretter 2012-04-17
8139312 Timing alternative intervals within a timing based servo band Nhan X. Bui, Giovanni Cherubini, Jens Jelitto, Kazuhiro Tsuruta 2012-03-20
8094402 Systems and methods for correcting magnetic tape dimensional instability Nhan X. Bui, Edwin R. Childers, Eric Rolf Christensen, Diana J. Hellman 2012-01-10
8059362 Positioning a coarse actuator of compound actuator tape servo system at midpoint of maximum peaks of lateral tape movement Randy C. Inch, Kevin B. Judd, Kazuhiro Tsuruta 2011-11-15
8054576 Skew actuator to servo track zero reference Nhan X. Bui, Randy C. Inch, Kevin B. Judd, Kazuhiro Tsuruta 2011-11-08
8054569 Method and apparatus to identify a data band encoded between two servo bands in a sequential information storage medium Nhan X. Bui, Shuhei Nadehara, Eiji Ogura, Kazuhiro Tsuruta 2011-11-08
8027121 Positioning coarse servo actuator of tape servo system to allow fine servo actuator to follow tape shift excursions Armando Jesus Argumedo, Nhan X. Bui, Roger Javier Justo, Angeliki Pantazi 2011-09-27
8016221 Apparatus, system, and method for dynamic tape stick and tape break detection Nhan X. Bui, Eiji Ogura, Kazuhiro Tsuruta 2011-09-13
8004789 Detection and acquisition of a servo pattern subject to lateral motion Nhan X. Bui, Kevin B. Judd, Kazuhiro Tsuruta 2011-08-23