Assignee
NAKAMICHI CORP
JP·142 granted patents·1,664 citations·filing 1979–2000
Top patents by PatentIndex Score
142 records- 0193US5544148ACompact configuration disk playerNAKAMICHI CORP·Filed 1994·Granted Aug 6, 1996·64 cites·22 claims
- 0293US5123001ADisk playback deviceNAKAMICHI CORP·Filed 1990·Granted Jun 16, 1992·67 cites·9 claims
- 0392US5123004ARecording and/or reproducing apparatus having a vertically movable disk chassis and arranged to prevent external forces from disrupting proper operationsNAKAMICHI CORP·Filed 1989·Granted Jun 16, 1992·50 cites·5 claims
- 0491US4899238ACartridge shutter actuating device in recording and/or reproducing apparatusNAKAMICHI CORP·Filed 1988·Granted Feb 6, 1990·33 cites·6 claims
- 0589US5177722ADisk player with disk changer functionsNAKAMICHI CORP·Filed 1991·Granted Jan 5, 1993·55 cites·5 claims
- 0686US5323159ADigital/analog converterNAKAMICHI CORP·Filed 1991·Granted Jun 21, 1994·67 cites·79 claims
- 0782US5210728AElevation mechanism in disk player with disk changer functions including an adjustable drive nut which raises and lowers discsNAKAMICHI CORP·Filed 1991·Granted May 11, 1993·35 cites·1 claims
- 0882US5034744ADeglitching circuitNAKAMICHI CORP·Filed 1989·Granted Jul 23, 1991·42 cites·8 claims
- 0982US5005093ARecording and/or reproducing apparatus with cartridge lock mechanismNAKAMICHI CORP·Filed 1989·Granted Apr 2, 1991·19 cites·9 claims
- 1079US6097693AClamping mechanism for a disk playback device including a pivotable clamp armNAKAMICHI CORP·Filed 1998·Granted Aug 1, 2000·32 cites·25 claims
- 1178US5561658AFriction drive for a disc playerNAKAMICHI CORP·Filed 1995·Granted Oct 1, 1996·35 cites·18 claims
- 1278US5216645ADisc changer for inserting, ejecting and playing discsNAKAMICHI CORP·Filed 1991·Granted Jun 1, 1993·24 cites·17 claims
- 1377US5574711ADevice for driving trays in disk playersNAKAMICHI CORP·Filed 1994·Granted Nov 12, 1996·25 cites·17 claims
- 1476US5508994ADisk player with compact arrangement of a reader and disk storage magazineNAKAMICHI CORP·Filed 1994·Granted Apr 16, 1996·26 cites·21 claims
- 1576US5163038ARecording and/or reproducing apparatus with vibration isolation meansNAKAMICHI CORP·Filed 1989·Granted Nov 10, 1992·21 cites·13 claims
- 1676US5043730ADigital-analog conversion circuit with application of voltage biasing for distortion stabilizationNAKAMICHI CORP·Filed 1989·Granted Aug 27, 1991·32 cites·4 claims
- 1773US5072787AFinned heat sinkNAKAMICHI CORP·Filed 1990·Granted Dec 17, 1991·48 cites·13 claims
- 1873US4272792AMode changing system for a cassette tape recorderNAKAMICHI CORP·Filed 1979·Granted Jun 9, 1981·13 cites·6 claims
- 1972US5862109AChanger-type disc playback deviceNAKAMICHI CORP·Filed 1996·Granted Jan 19, 1999·24 cites·32 claims
- 2072US4832284AApparatus for drawing out a leader block in a tape cartridge for a magnetic instrumentNAKAMICHI CORP·Filed 1987·Granted May 23, 1989·17 cites·2 claims
- 2171US6587406B1Changer type compact disk reproduction deviceNAKAMICHI CORP·Filed 2000·Granted Jul 1, 2003·8 cites·12 claims
- 2271USD429716SAuto audio amplifierNAKAMICHI CORP·Filed 1998·Granted Aug 22, 2000·16 cites·1 claims
- 2371US5528442ADisk player with magazine switched drive sourceNAKAMICHI CORP·Filed 1994·Granted Jun 18, 1996·22 cites·9 claims
- 2470US5682369ATwo-belt disk rotating and transport driveNAKAMICHI CORP·Filed 1995·Granted Oct 28, 1997·19 cites·18 claims
- 2569US5748596ADisk changer/player with disk-edge guide and transfer mechanismNAKAMICHI CORP·Filed 1996·Granted May 5, 1998·21 cites·44 claims
- 2669US5005163ALevel shift circuit of optical disc apparatusNAKAMICHI CORP·Filed 1990·Granted Apr 2, 1991·19 cites·3 claims
- 2769US4583134ACoded control signal to control tape recorderNAKAMICHI CORP·Filed 1981·Granted Apr 15, 1986·14 cites·9 claims
- 2868US6157607ADisk transfer device with disk alignment mechanismNAKAMICHI CORP·Filed 1998·Granted Dec 5, 2000·19 cites·11 claims
- 2968US5631882ADisk changer device for use with a personal computer and control method for sameNAKAMICHI CORP·Filed 1994·Granted May 20, 1997·30 cites·11 claims
- 3068US4414596AMagnetic head assemblyNAKAMICHI CORP·Filed 1981·Granted Nov 8, 1983·13 cites·3 claims
- 3167USD403324SAudio speakerNAKAMICHI CORP·Filed 1998·Granted Dec 29, 1998·14 cites·1 claims
- 3267US5822296ADisk playback deviceNAKAMICHI CORP·Filed 1997·Granted Oct 13, 1998·16 cites·19 claims
- 3366US4342054AInformation read deviceNAKAMICHI CORP·Filed 1980·Granted Jul 27, 1982·13 cites·2 claims
- 3465US5033184AMethod of manufacturing magnetic headNAKAMICHI CORP·Filed 1990·Granted Jul 23, 1991·19 cites·5 claims
- 3563US5881045ACompact changer-type disk playerNAKAMICHI CORP·Filed 1996·Granted Mar 9, 1999·16 cites·59 claims
- 3663US5153867ACartridge shutter actuating device in recording and/or reproducing apparatusNAKAMICHI CORP·Filed 1990·Granted Oct 6, 1992·14 cites·4 claims
- 3762US6603859B1Speaker with drive mechanismNAKAMICHI CORP·Filed 2000·Granted Aug 5, 2003·11 cites·9 claims
- 3861USD435534SDigital audio disc player with radio receiverNAKAMICHI CORP·Filed 1999·Granted Dec 26, 2000·11 cites·1 claims
- 3961US4460934AMagnetic head with full and partial coils for azimuth informationNAKAMICHI CORP·Filed 1982·Granted Jul 17, 1984·10 cites·3 claims
- 4060US5504733ADisk player with carriage and tray transport mechanismNAKAMICHI CORP·Filed 1994·Granted Apr 2, 1996·12 cites·22 claims
- 4160US4434325AVolume control for an audio apparatusNAKAMICHI CORP·Filed 1982·Granted Feb 28, 1984·14 cites·5 claims
- 4259US5878011ADisk transferring deviceNAKAMICHI CORP·Filed 1996·Granted Mar 2, 1999·14 cites·33 claims
- 4359US4788606ATape feed control deviceNAKAMICHI CORP·Filed 1987·Granted Nov 29, 1988·11 cites·3 claims
- 4459US4307427APad abutting device for a magnetic head of a dual capstan type cassette tape recorderNAKAMICHI CORP·Filed 1980·Granted Dec 22, 1981·10 cites·10 claims
- 4558US6301205B1Changer-type disk playback deviceNAKAMICHI CORP·Filed 1997·Granted Oct 9, 2001·13 cites·27 claims
- 4658US4542371AMethod of converting a digital signal into an analog signal and a converter thereforNAKAMICHI CORP·Filed 1982·Granted Sep 17, 1985·13 cites·2 claims
- 4757US6125090ADisk transferring deviceNAKAMICHI CORP·Filed 1996·Granted Sep 26, 2000·12 cites·31 claims
- 4857US5854776AChanger-equipped disc playerNAKAMICHI CORP·Filed 1996·Granted Dec 29, 1998·10 cites·28 claims
- 4957US5594710ADisc player with a disc-securing mechanismNAKAMICHI CORP·Filed 1994·Granted Jan 14, 1997·9 cites·11 claims
- 5057US5063469AComposite magnetic head assembly having reduced cross feed between waiting and reading headsNAKAMICHI CORP·Filed 1989·Granted Nov 5, 1991·12 cites·7 claims
Showing the top 50 of 142 patent records by PatentIndex Score.
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