Inventor · disambiguated record
Keith O. Johnson
Also filed as: JOHNSON KEITH O
14 granted patents·706 citations·filing 1974–2001
95Inventor score
Files withPACIFIC MICROSONICS INC8EXXON NUCLEAR CO INC2DBX1HEWLETT PACKARD DEVELOPMENT CO1MICROSOFT CORP1
Top patents by PatentIndex Score
14 records- 0197US5479168ACompatible signal encode/decode systemPACIFIC MICROSONICS INC·Filed 1993·Granted Dec 26, 1995·208 cites·100 claims
- 0296US5872531ASignal encode/decode systemPACIFIC MICROSONICS INC·Filed 1997·Granted Feb 16, 1999·109 cites·20 claims
- 0391US7184556B1Compensation system and method for sound reproductionMICROSOFT CORP·Filed 2000·Granted Feb 27, 2007·74 cites·9 claims
- 0486US5808574ASystems for achieving enhanced frequency resolutionPACIFIC MICROSONICS INC·Filed 1997·Granted Sep 15, 1998·60 cites·13 claims
- 0584US5640161ASilent data conversion system with sampling during electrical silencePACIFIC MICROSONICS INC·Filed 1995·Granted Jun 17, 1997·37 cites·2 claims
- 0679US6823526B2Computer-based system and method for automatic configuration of an external deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Nov 23, 2004·40 cites·9 claims
- 0779US5864311ASystems for enhancing frequency bandwidthPACIFIC MICROSONICS INC·Filed 1997·Granted Jan 26, 1999·38 cites·17 claims
- 0876US4124784AMotion picture sound systemDBX·Filed 1977·Granted Nov 7, 1978·18 cites·17 claims
- 0970US5838274ASystems for achieving enhanced amplitude resolutionPACIFIC MICROSONICS INC·Filed 1997·Granted Nov 17, 1998·24 cites·9 claims
- 1069US5638074AMethod and apparatus for slew limitingPACIFIC MICROSONICS INC·Filed 1995·Granted Jun 10, 1997·12 cites·10 claims
- 1163US5854600AHidden side code channelsPACIFIC MICROSONICS INC·Filed 1997·Granted Dec 29, 1998·18 cites·12 claims
- 1251US5014713AMethod and apparatus for measuring thickness of fat using infrared lightTARRIS ENTERPRISES INC·Filed 1989·Granted May 14, 1991·52 cites·8 claims
- 1350US3967382APlenum chamber length measurement system for nuclear fuelEXXON NUCLEAR CO INC·Filed 1975·Granted Jul 6, 1976·11 cites·12 claims
- 1434US3975949ALeak detector probe for fuel rodsEXXON NUCLEAR CO INC·Filed 1974·Granted Aug 24, 1976·5 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →