Inventor · Laguna Niguel, CA, US

John A. Hamming

21Patents
8h-index
26Co-inventors
75Inventor score

Filing activity: Jul 14, 1997 → Jun 13, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6034839A Mechanism and method for loading a tape from a cartridge to a take-up reel Physics 69 Expired
US6003802A Tape leader pin assembly and method for making the same Physics 28 Expired
US6079651A Tape coupling arrangement for single reel cartridge Physics 21 Expired
US6038099A Multiple cartridge tape auto loader utilizing a drive plate for positioning of drive mechanism Physics 17 Expired
US7274528B2 System and method for protecting head elements of a tape drive Physics 10 Expired
US6744593B1 Tape path for a cartridge tape drive Physics 10 Expired
US6499684B2 Tape leader pin assembly and method for making the same Physics 10 Expired
US6378796B1 Apparatus and method for de-coupling grabber from take-up reel Physics 8 Expired
US6626387B1 Rolling element for guiding a hub filler in a tape drive Physics 6 Expired
US7134624B2 Locking dual hub tape reel for tape drives Physics 3 Expired
US6619577B2 Position sensors for tape loading mechanism Physics 2 Expired
US6637691B1 Latching mechanism for tape drive Physics 2 Expired
US7338002B2 Locking dual hub tape reel for tape drives Physics 2 Active
US7536701B2 Lockable ejection system and method Physics 2 Active
US7066420B2 Tape drive apparatus having an arrangement for capturing and retaining a leader pin from a tape cartridge Physics 1 Expired
US10306116B2 Modular motion camera Physics 1 Active
US7342745B2 Cartridge carrier Physics 1 Expired
US7455254B1 Method and apparatus of maintaining tension in a tape Physics 0 Expired
US7945419B2 Electronic measurement of off-center run-out and reel-hub mismatch Physics 0 Active
US7511916B2 Cartridge carrier Physics 0 Active
US10027859B2 Modular motion camera including microphone and fan Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.