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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →