Inventor

John D. Kaewell, Jr.

Inventor

Jamison, PA, US

Overview

56→

Patents

1990–2015

Patent span

Electricity

Primary field (CPC H)

Patents· 56 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Bprimary

H04BTransmission30%

H04LTransmission of digital information, e.g. telegraphic communication21%

H04WWireless communication networks18%

H04JMultiplex communication10%

H04MTelephonic communication7%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use6%

H03MCoding5%

H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses2%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h101%

G06FElectric digital data processing1%

PatentTitleYear

9,100,250'Pre-phase error correction'2015 8,798,116'Pre-phase error correction'2014 8,488,650'Pre-phase error correction'2013 7,929,409'Orthogonal frequency division multiplexing (OFDM) method and apparatus for protecting and authenticating wirelessly transmitted digital information'2011 7,706,435'Apparatus and method of searching for known sequences'2010 7,706,833'Unified dual-mode GSM/UMTS clock'2010 7,630,690'Access burst detector correlator pool'2009 7,570,689'Advanced receiver with sliding window block linear equalizer'2009 7,519,103'Pre-phase error correction transmitter'2009 7,466,745'Synchronizing PCM and pseudorandom clocks'2008 7,415,043'Code division multiple access (CDMA) method and apparatus for protecting and authenticating wirelessly transmitted digital information'2008 7,395,055'Mobile wireless presence and situation management system and method'2008 7,304,374'Wireless coupling of semiconductor dies'2007 7,245,596'Modularly clustered radiotelephone system'2007 7,106,819'Plural subscriber system utilizing synchronized timeslots on a single frequency'2006 7,092,432'Node-B/base station rake finger pooling'2006 7,088,764'Method for determining signal quality of simultaneously received multiple channels of data'2006 7,082,286'Path searcher using reconfigurable correlator sets'2006 6,973,523'Code division multiple access modem interface'2005 6,968,185'Mobile wireless presence and situation management system and method'2005 6,953,994'Wireless coupling of staked dies within system in package'2005 6,865,217'Method for simultaneously receiving and processing multiple channels of data'2005 6,850,556'Pre-phase error correction transmitter'2005 6,831,941'CDMA system which uses pre-rotation before transmission'2004 6,792,037'Apparatus and method of searching for known sequences'2004 6,785,322'Node-B/base station rake finger pooling'2004 6,775,531'Subscriber terminal temperature regulation'2004 6,711,223'Base station emulator'2004 6,704,380'Synchronizing PCM and pseudorandom clocks'2004 6,690,711'User equipment which uses pre-rotation before transmission'2004 6,633,602'User equipment which uses pre-rotation before transmission'2003 6,606,345'Base station which uses pre-rotation before transmission'2003 6,587,499'Base station which uses pre-rotation before transmission'2003 6,577,672'Spread spectrum mobile station for simultaneously receiving and processing multiple channels of data'2003 6,577,673'Spread spectrum base station for simultaneously receiving and processing multiple channels of data'2003 6,496,488'Modularly clustered radiotelephone system'2002 6,404,828'Multichannel decoder'2002 6,256,339'Multichannel viterbi decoder'2001 6,243,399'Ring signal generator'2001 6,208,630'Modulary clustered radiotelephone system'2001 6,005,898'Multichannel viterbi decoder'1999 5,930,297'Base station emulator'1999 5,852,604'Modularly clustered radiotelephone system'1998 5,752,190'Supervisory audio tone based carrier-to-interference measurement in a mobile cellular communication system'1998 5,666,355'Power consumption control method and apparatus for a communication system subscriber unit'1997 5,625,653'Base station emulator'1997 5,546,383'Modularly clustered radiotelephone system'1996 5,528,585'Modularly clustered radiotelephone system'1996 5,495,508'Base station emulator'1996 5,448,616'Integrated bit error rate test function in analog channel unit of digital cellular network'1995 5,436,955'Compatible analog channel unit for a digital cellular telephone system'1995 5,432,822'Error correcting decoder and decoding method employing reliability based erasure decision-making in cellular communication system'1995 5,402,451'Digital post-detection FM spatial diversity combination circuit'1995 5,361,046'Modulator having fractional sample/symbol time'1994 4,953,197'Combination spatial diversity system'1990 4,935,927'Base station emulator'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to INT MOBILE MACHINES (2)· patent assignee history

1990–2007Based in Bensalem, PA, US· patent location history

1990–2006Based in Philadelphia, PA, US· patent location history

1994–1998Patents assigned to HUGHES AIRCRAFT CO (6)· patent assignee history

1996–2015Patents assigned to INTERDIGITAL TECH CORP (46)· patent assignee history

1997–2015Based in Jamison, PA, US· patent location history

2013Patents assigned to KAEWELL JOHN D (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
INTERDIGITAL TECH CORP	46	1996–2015
HUGHES AIRCRAFT CO	6	1994–1998
INT MOBILE MACHINES	2	1990
KAEWELL JOHN Dself	1	2013

Locations

Location	Patents	Span
Jamison, Pennsylvania, US	37	1997–2015
Bensalem, Pennsylvania, US	13	1990–2007
Philadelphia, Pennsylvania, US	6	1990–2006