Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JH

John A. Hamming — 21 Patents

CECertance: 7 patents #2 of 26Top 8%
STSeagate Technology: 7 patents #896 of 4,701Top 20%
SSSeagate Removable Storage Solutions: 3 patents #5 of 18Top 30%
RERed.Com: 2 patents #20 of 29Top 70%
IBM: 2 patents #32,909 of 70,183Top 50%
HP: 2 patents #7,666 of 7,018Top 110%
QUQuantum: 2 patents #205 of 703Top 30%
San Clemente, CA: #59 of 775 inventorsTop 8%
California: #27,449 of 386,348 inventorsTop 8%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
John A. Hamming has been granted 21 US patents while listed as an inventor at Certance. The first was granted in 1999 and the most recent in May 2019. John A. Hamming ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list John A. Hamming in San Clemente, CA, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10306116 Modular motion camera James H. Jennard, Sean Lever, Craig Smith, Todd Berk, Brian McEvilly 2019-05-28
10027859 Modular motion camera including microphone and fan James H. Jannard, Sean Lever, Craig Smith, Todd Berk, Brian McEvilly 2018-07-17
7945419 Electronic measurement of off-center run-out and reel-hub mismatch Ming-Chih Weng, Turguy Goker, James Mark Decot, Minh Vu 2011-05-17 $10,686,000
7536701 Lockable ejection system and method Patrick Henry McCormack 2009-05-19
7511916 Cartridge carrier 2009-03-31
7455254 Method and apparatus of maintaining tension in a tape Turguy Goker, Russell Allen Bauer, Kempton W. Redhead 2008-11-25
7342745 Cartridge carrier 2008-03-11 $9,920,000
7338002 Locking dual hub tape reel for tape drives 2008-03-04 $5,737,000
7274528 System and method for protecting head elements of a tape drive Robert Ralph Heinze, Umang Mehta 2007-09-25
7134624 Locking dual hub tape reel for tape drives 2006-11-14 $5,090,000
7066420 Tape drive apparatus having an arrangement for capturing and retaining a leader pin from a tape cartridge 2006-06-27
6744593 Tape path for a cartridge tape drive Ashok B. Nayak, Robert Ralph Heinze, Minh Vu, Son Hung Truong, James Mark Decot +1 more 2004-06-01 $5,678,000
6637691 Latching mechanism for tape drive Robert Ralph Heinze, Scott L. Hanson, Kempton W. Redhead, Walter Fehlmann, Russell Allen Bauer +1 more 2003-10-28
6626387 Rolling element for guiding a hub filler in a tape drive 2003-09-30
6619577 Position sensors for tape loading mechanism Kempton W. Redhead, Robert Ralph Heinze, Russell Allen Bauer, Patrick Henry McCormack, Turguy Goker 2003-09-16
6499684 Tape leader pin assembly and method for making the same James Howard Eaton, Thomas R. Albrecht, Robert Ralph Heinze, Jeffrey S. McAllister, Thomas W. von Alten +2 more 2002-12-31
6378796 Apparatus and method for de-coupling grabber from take-up reel Robert Ralph Heinze 2002-04-30
6079651 Tape coupling arrangement for single reel cartridge 2000-06-27 $28,468,000
6038099 Multiple cartridge tape auto loader utilizing a drive plate for positioning of drive mechanism Robert Ralph Heinze 2000-03-14 $34,407,000
6034839 Mechanism and method for loading a tape from a cartridge to a take-up reel 2000-03-07 $76,055,000
6003802 Tape leader pin assembly and method for making the same James Howard Eaton, Thomas R. Albrecht, Robert Ralph Heinze, Jeffrey S. McAllister, Thomas W. von Alten +2 more 1999-12-21