Assignee
KENWOOD CORP
JP·353 granted patents·30 pending applications·6,020 citations·filing 1975–2012
Top patents by PatentIndex Score
383 records- 0197US4725345AMethod for forming a hard carbon thin film on article and applications thereofKENWOOD CORP·Filed 1986·Granted Feb 16, 1988·197 cites·15 claims
- 0297US4517520ACircuit for converting a staircase waveform into a smoothed analog signalKENWOOD CORP·Filed 1982·Granted May 14, 1985·113 cites·4 claims
- 0396US4855894AFrequency converting apparatusKENWOOD CORP·Filed 1988·Granted Aug 8, 1989·314 cites·4 claims
- 0495US5537373AOptical disk recording and reproducing apparatus with data recorded on wobbled grooves and landsKENWOOD CORP·Filed 1994·Granted Jul 16, 1996·166 cites·5 claims
- 0591US5615185AOptical disk recording and reproducing apparatus with data recorded and reproducing apparatus with data recorded on wobbled grooves and landsKENWOOD CORP·Filed 1996·Granted Mar 25, 1997·78 cites·6 claims
- 0691US4933953AInitial synchronization in spread spectrum receiverKENWOOD CORP·Filed 1988·Granted Jun 12, 1990·116 cites·4 claims
- 0790US4903031ASatellite receiverKENWOOD CORP·Filed 1987·Granted Feb 20, 1990·81 cites·6 claims
- 0890US4772513AMethod for forming a hard carbon thin film on article and applications thereofKENWOOD CORP·Filed 1987·Granted Sep 20, 1988·53 cites·9 claims
- 0988US5416763ALoading mechanism for optical disk playerKENWOOD CORP·Filed 1993·Granted May 16, 1995·74 cites·4 claims
- 1088US4860307ASynchronization pulse generator in spread spectrum communication systemKENWOOD CORP·Filed 1987·Granted Aug 22, 1989·97 cites·3 claims
- 1187US5062122ADelay-locked loop circuit in spread spectrum receiverKENWOOD CORP·Filed 1988·Granted Oct 29, 1991·96 cites·12 claims
- 1287US4783824ASpeaker unit having two voice coils wound around a common coil bobbinKENWOOD CORP·Filed 1985·Granted Nov 8, 1988·98 cites·9 claims
- 1387US4205272APhase-locked loop circuit for use in synthesizer tuner and synthesizer tuner incorporating sameKENWOOD CORP·Filed 1978·Granted May 27, 1980·49 cites·24 claims
- 1487US4126828AIntermodulation antiinterference device for superheterodyne receiverKENWOOD CORP·Filed 1977·Granted Nov 21, 1978·63 cites·11 claims
- 1585US5884199APortable wireless receiverKENWOOD CORP·Filed 1996·Granted Mar 16, 1999·80 cites·5 claims
- 1685US5541866ADevice for correcting frequency characteristic of sound fieldKENWOOD CORP·Filed 1995·Granted Jul 30, 1996·72 cites·8 claims
- 1785US4871987AFSK or am modulator with digital waveform shapingKENWOOD CORP·Filed 1988·Granted Oct 3, 1989·108 cites·8 claims
- 1884US7565240B2Navigation device, method, and programKENWOOD CORP·Filed 2005·Granted Jul 21, 2009·36 cites·5 claims
- 1984US7079597B1Method and circuit for acquisitionKENWOOD CORP·Filed 2000·Granted Jul 18, 2006·40 cites·13 claims
- 2083US5508984AOptical disc player having program title displayKENWOOD CORP·Filed 1993·Granted Apr 16, 1996·35 cites·2 claims
- 2183US5495465ASpindle control circuit of optical disk driveKENWOOD CORP·Filed 1994·Granted Feb 27, 1996·43 cites·1 claims
- 2282US7317894B2Satellite digital radio broadcast receiverKENWOOD CORP·Filed 2004·Granted Jan 8, 2008·24 cites·2 claims
- 2382US7230195B2Button waterproofing structureKENWOOD CORP·Filed 2006·Granted Jun 12, 2007·31 cites·8 claims
- 2482US5625610AOptical disc dubbing apparatusKENWOOD CORP·Filed 1993·Granted Apr 29, 1997·25 cites·5 claims
- 2582US5253301ANondirectional acoustic generator and speaker systemKENWOOD CORP·Filed 1990·Granted Oct 12, 1993·82 cites·9 claims
- 2680US5163035AConstant linear velocity recording servo circuit for write-once type compact diskKENWOOD CORP·Filed 1990·Granted Nov 10, 1992·34 cites·5 claims
- 2780US5031720ASpeaker diaphragmKENWOOD CORP·Filed 1988·Granted Jul 16, 1991·38 cites·10 claims
- 2880US4237556ASuperheterodyne receiver having distortion reducing circuitryKENWOOD CORP·Filed 1979·Granted Dec 2, 1980·12 cites·24 claims
- 2979US5197103ALow sound loudspeaker systemKENWOOD CORP·Filed 1992·Granted Mar 23, 1993·70 cites·11 claims
- 3078US7805294B2Wireless communication apparatus and wireless communication methodKENWOOD CORP·Filed 2005·Granted Sep 28, 2010·7 cites·6 claims
- 3178US7740433B2Waterproof structure for portion where members are tightened with screwKENWOOD CORP·Filed 2006·Granted Jun 22, 2010·16 cites·2 claims
- 3278US7647226B2Apparatus and method for creating pitch wave signals, apparatus and method for compressing, expanding, and synthesizing speech signals using these pitch wave signals and text-to-speech conversion using unit pitch wave signalsKENWOOD CORP·Filed 2007·Granted Jan 12, 2010·9 cites·4 claims
- 3378US7016680B2Method for detecting high-speed movement of mobile communication terminal, mobile communication terminal, and programKENWOOD CORP·Filed 2002·Granted Mar 21, 2006·25 cites·9 claims
- 3477US6683390B2On-vehicle electronic device and panel rotation control methodKENWOOD CORP·Filed 2001·Granted Jan 27, 2004·12 cites·10 claims
- 3577US6239718B1Learning-by-example programmable remote control systemKENWOOD CORP·Filed 1996·Granted May 29, 2001·55 cites·20 claims
- 3677US4267605AInterference eliminator in communication receiverKENWOOD CORP·Filed 1979·Granted May 12, 1981·39 cites·9 claims
- 3776US5426624AOptical disk apparatus for linking fragmented regions in a user table of contentsKENWOOD CORP·Filed 1993·Granted Jun 20, 1995·29 cites·7 claims
- 3876US4991207AOne-way address transmission system of PCM musicKENWOOD CORP·Filed 1989·Granted Feb 5, 1991·32 cites·3 claims
- 3976US4677258AInformation producing apparatusKENWOOD CORP·Filed 1986·Granted Jun 30, 1987·30 cites·2 claims
- 4075US7937214B2Guidance route search device, navigation device, and method of searching guidance routeKENWOOD CORP·Filed 2005·Granted May 3, 2011·7 cites·8 claims
- 4175US7231174B2Data distribution system and method, and electric equipment to be used thereforKENWOOD CORP·Filed 2001·Granted Jun 12, 2007·13 cites·12 claims
- 4275USD400539SRemote controller with a crystal monitorKENWOOD CORP·Filed 1996·Granted Nov 3, 1998·19 cites·1 claims
- 4375US4922483AMulti-channel PCM music broadcasting systemKENWOOD CORP·Filed 1988·Granted May 1, 1990·38 cites·6 claims
- 4475US4136260AOut-of-head localized sound reproduction system for headphoneKENWOOD CORP·Filed 1977·Granted Jan 23, 1979·24 cites·3 claims
- 4574US6915319B1Method and apparatus for interpolating digital signalKENWOOD CORP·Filed 2000·Granted Jul 5, 2005·16 cites·10 claims
- 4674US5557646AMultipath eliminating filterKENWOOD CORP·Filed 1995·Granted Sep 17, 1996·38 cites·6 claims
- 4774US4336534AControl generator for use in broadcast receiver including improved signal level indicatorKENWOOD CORP·Filed 1979·Granted Jun 22, 1982·11 cites·13 claims
- 4874US4158179AAmplifier circuitKENWOOD CORP·Filed 1977·Granted Jun 12, 1979·16 cites·11 claims
- 4973US7738436B2Wireless communication system, wireless communication control apparatus, wireless communication apparatus and wireless communication methodKENWOOD CORP·Filed 2005·Granted Jun 15, 2010·5 cites·13 claims
- 5073US7400651B2Device and method for interpolating frequency components of signalKENWOOD CORP·Filed 2001·Granted Jul 15, 2008·21 cites·8 claims
Showing the top 50 of 383 patent records by PatentIndex Score.
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