Inventor · disambiguated record
Francis K. King
Also filed as: KING FRANCIS · KING FRANCIS K · KING FRANCIS KONG
23 granted patents·5 pending applications·274 citations·filing 1974–2007
96Inventor score
Top patents by PatentIndex Score
28 records- 0196US4399476ASuspension assembly for magnetic headDATAPOINT CORP·Filed 1981·Granted Aug 16, 1983·59 cites·9 claims
- 0288US3956766ACounter resetting circuitry for magnetic disk systemIBM·Filed 1974·Granted May 11, 1976·28 cites·5 claims
- 0385US4291350ASpring suspension for magnetic transducerIBM·Filed 1979·Granted Sep 22, 1981·24 cites·6 claims
- 0479US4191980ATransducers with tapered edge profiles and assembly thereofIBM·Filed 1978·Granted Mar 4, 1980·22 cites·8 claims
- 0577US6728059B2Magnetic data card servo writerDCARD INC·Filed 2002·Granted Apr 27, 2004·7 cites·15 claims
- 0674US6311893B1Optical data access system with data card reader having a single rotational moving pickup headDCARD INC·Filed 1999·Granted Nov 6, 2001·15 cites·27 claims
- 0773US6775080B2Data access device implemented with open and closed control loops to access data stored in discrete stepwise segmentsDCARD INC·Filed 2001·Granted Aug 10, 2004·9 cites·6 claims
- 0873US5121280AZone servo sector format alignment scheme for servo and spindle motor controlSYQUEST TECHNOLOGY·Filed 1991·Granted Jun 9, 1992·22 cites·16 claims
- 0972US3975769AStorage device utilizing flexible magnetic disksIBM·Filed 1975·Granted Aug 17, 1976·15 cites·5 claims
- 1071US7334733B2Data access device using rotational head to access data stored in data strips and data arc segments or data circlesDCARD INC·Filed 2003·Granted Feb 26, 2008·9 cites·28 claims
- 1165US7336569B2Optical disk tracking servo circuit enabled to compensate for non-continuous track segments or prolonged defectDCARD INC·Filed 2004·Granted Feb 26, 2008·6 cites·12 claims
- 1261US6934098B2Data card with a full circular track for alignment and amplitude calibrationDCARD INC·Filed 2001·Granted Aug 23, 2005·8 cites·29 claims
- 1360US4355339ATransducer carriage assemblyIBM·Filed 1980·Granted Oct 19, 1982·10 cites·2 claims
- 1458US6588671B2Positioning of a recording head for a data storage deviceDCARD INC·Filed 2001·Granted Jul 8, 2003·4 cites·28 claims
- 1554US6502755B2Optical data storage cardDCARD INC·Filed 1999·Granted Jan 7, 2003·6 cites·40 claims
- 1653US4092681AFlexible disk file access mechanismIBM·Filed 1976·Granted May 30, 1978·9 cites·12 claims
- 1752US6417980B1Magnetic data card servo writerDCARD INC·Filed 1999·Granted Jul 9, 2002·5 cites·2 claims
- 1852US6339569B1Optical data card servo writerDCARD INC·Filed 1999·Granted Jan 15, 2002·5 cites·2 claims
- 1949US2008267047A1Secure optical data card systemDCARD INC·Filed 2007·Application pending·0 cites
- 2048US7185814B2Layer structure and method of manufacture for optical memory strip (OMS)DCARD INC·Filed 2004·Granted Mar 6, 2007·2 cites·75 claims
- 2147US6307709B1Magnetic data storage cardDCARD INC·Filed 1999·Granted Oct 23, 2001·4 cites·40 claims
- 2247US2004266478A1Wireless phone adapterFiled 2003·Application pending·0 cites
- 2342US2006039246A1Adaptive system to allow multiple update and correction sessions on an optical data storage cardDCARD INC·Filed 2004·Application pending·0 cites
- 2442US2006248548A1Optical card drive with adaptive receiving tray and focusing adaptorDCARD INC·Filed 2005·Application pending·0 cites
- 2540US6545831B1Servo-sector arrangement over several data arcs for a rotational head data recording and retrieving systemDCARD INC·Filed 2000·Granted Apr 8, 2003·0 cites·14 claims
- 2640US2004218518A1Multi-layered data storage cardDCARD INC·Filed 2004·Application pending·0 cites
- 2732US4097909AMagnetic transducer with inner and outer magnetic medium cooperating surface zones of different convexityIBM·Filed 1976·Granted Jun 27, 1978·3 cites·9 claims
- 2827US6499659B1Pulse shaping for a transformer coupled read/write recording deviceDCARD INC·Filed 1999·Granted Dec 31, 2002·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →