Assignee
AIWA CO
JP·56 granted patents·2 pending applications·1,040 citations·filing 1978–2002
Top patents by PatentIndex Score
58 records- 0197US5539456AVideo camera and camera system with white balance controlAIWA CO·Filed 1994·Granted Jul 23, 1996·77 cites·6 claims
- 0296USD350961SEarphoneAIWA CO·Filed 1992·Granted Sep 27, 1994·54 cites·1 claims
- 0396USD350351SMini-disk playerAIWA CO·Filed 1992·Granted Sep 6, 1994·55 cites·1 claims
- 0492US6417109B1Chemical-mechanical etch (CME) method for patterned etching of a substrate surfaceAIWA CO·Filed 2000·Granted Jul 9, 2002·58 cites·22 claims
- 0589US6227477B1Data storage cassette and data recording and reproducing deviceAIWA CO·Filed 1998·Granted May 8, 2001·86 cites·12 claims
- 0685US5410225AVideo camera and camera system employing aperture controlAIWA CO·Filed 1992·Granted Apr 25, 1995·27 cites·5 claims
- 0785US5270828ARecording and reproducing method and apparatus utilizing a signal format for simplifying special operations and assisting efficient signal processingAIWA CO·Filed 1991·Granted Dec 14, 1993·72 cites·3 claims
- 0883US6633443B1Peak shift correction circuit and magnetic storage medium playback apparatusAIWA CO·Filed 1995·Granted Oct 14, 2003·50 cites·34 claims
- 0982US6417989B1Multiple-gap magnetic thin-film head with improved read/write coil arrangementAIWA CO·Filed 2000·Granted Jul 9, 2002·16 cites·25 claims
- 1080US6529449B1Magneto-optical head involving solid immersion lens with two-layer heat-dispersive coilAIWA CO·Filed 2000·Granted Mar 4, 2003·15 cites·10 claims
- 1180US5889933AAdaptive power failure recoveryAIWA CO·Filed 1997·Granted Mar 30, 1999·88 cites·23 claims
- 1273US4577239AVideo tape recorder usable with different types of tape cassettesAIWA CO·Filed 1981·Granted Mar 18, 1986·29 cites·1 claims
- 1370US4337533AFront loading type record playerAIWA CO·Filed 1980·Granted Jun 29, 1982·24 cites·17 claims
- 1469US6549508B1Turntable and disk driving deviceAIWA CO·Filed 2000·Granted Apr 15, 2003·8 cites·13 claims
- 1569US5811355AEnhanced chemical-mechanical polishing (E-CMP) method of forming a planar surface on a thin film magnetic head to avoid pole recessionAIWA CO·Filed 1996·Granted Sep 22, 1998·22 cites·17 claims
- 1669USD395424SData storage systemAIWA CO·Filed 1996·Granted Jun 23, 1998·19 cites·1 claims
- 1766US5938845AUniform heat distribution apparatus and method for electroless nickel plating in fabrication of thin film head gapsAIWA CO·Filed 1995·Granted Aug 17, 1999·26 cites·17 claims
- 1865US5940956AChemical-mechanical contouring (CMC) method for forming a contoured surfaceAIWA CO·Filed 1996·Granted Aug 24, 1999·16 cites·30 claims
- 1964USD396721SRadio receiverAIWA CO·Filed 1997·Granted Aug 4, 1998·15 cites·1 claims
- 2060US6166879AThin film magnetic head with contoured surfaceAIWA CO·Filed 1999·Granted Dec 26, 2000·13 cites·17 claims
- 2160US5872748AAuto changerAIWA CO·Filed 1997·Granted Feb 16, 1999·21 cites·9 claims
- 2259US5864522AAuto disc changerAIWA CO·Filed 1995·Granted Jan 26, 1999·18 cites·24 claims
- 2355US6562251B1Chemical-mechanical contouring (CMC) method for forming a contoured surface using a stair-step etchAIWA CO·Filed 2000·Granted May 13, 2003·13 cites·13 claims
- 2454US6093453AElectroless plating methodAIWA CO·Filed 1999·Granted Jul 25, 2000·14 cites·23 claims
- 2551US6000654ASlidable tape drive assemblyAIWA CO·Filed 1998·Granted Dec 14, 1999·11 cites·10 claims
- 2650US6172831B1Method of recording/reproducing digital signal on magnetic recording medium through helical scanning by using read-after-write function and apparatus for carrying out the sameAIWA CO·Filed 1999·Granted Jan 9, 2001·11 cites·10 claims
- 2750US5449467AProcess for purifying waterAIWA CO·Filed 1993·Granted Sep 12, 1995·15 cites·7 claims
- 2849US6324397B1Portable terminal equipmentAIWA CO·Filed 1997·Granted Nov 27, 2001·22 cites·6 claims
- 2948US6172834B1System and method for adjusting the speed of tapeAIWA CO·Filed 1998·Granted Jan 9, 2001·9 cites·24 claims
- 3048US6091581AThin film magnetic head including a separately deposited diamond-like carbon gap structure and magnetic control wellsAIWA CO·Filed 1997·Granted Jul 18, 2000·9 cites·34 claims
- 3146US5398062AVideo camera and camera system having an electronic viewfinder portraying image informationAIWA CO·Filed 1992·Granted Mar 14, 1995·10 cites·6 claims
- 3245US6411808B1Portable terminal equipmentAIWA CO·Filed 1997·Granted Jun 25, 2002·18 cites·15 claims
- 3343US5592220ACamera apparatus having a self-timer functionAIWA CO·Filed 1995·Granted Jan 7, 1997·12 cites·12 claims
- 3441US5548325AVideo camera with device generating a shutter pulse for a camera or the likeAIWA CO·Filed 1994·Granted Aug 20, 1996·7 cites·8 claims
- 3541US2002095245A1Electronic deviceAIWA CO·Filed 2001·Application pending·0 cites
- 3638US6236869B1Portable terminal equipmentAIWA CO·Filed 1997·Granted May 22, 2001·14 cites·10 claims
- 3738USD395290SBus cover for data storage subsystemsAIWA CO·Filed 1996·Granted Jun 16, 1998·5 cites·1 claims
- 3838US5694064APeak detection circuit and magnetic storage medium playback apparatusAIWA CO·Filed 1995·Granted Dec 2, 1997·5 cites·15 claims
- 3936US6058080ADisc-position display for auto disc changerAIWA CO·Filed 1995·Granted May 2, 2000·3 cites·15 claims
- 4036US4167026AInformation reproducing and recording apparatus for recording on tape from a phonograph recordAIWA CO·Filed 1978·Granted Sep 4, 1979·6 cites·2 claims
- 4134US5915060ALight pipe arrayAIWA CO·Filed 1997·Granted Jun 22, 1999·9 cites·19 claims
- 4232US5548451ARecording and reproducing method and apparatus for a digital audio signal and a digital video signalAIWA CO·Filed 1994·Granted Aug 20, 1996·3 cites·8 claims
- 4331US6442121B1Optical pickup dust-proofing structureAIWA CO·Filed 1998·Granted Aug 27, 2002·2 cites·8 claims
- 4429US6341108B1Audio reproducing deviceAIWA CO·Filed 1997·Granted Jan 22, 2002·6 cites·24 claims
- 4527US6430701B1Data recording and reproducing method and apparatus using plurality of data recording and reproducing units, and computer-readable recording mediumAIWA CO·Filed 1998·Granted Aug 6, 2002·8 cites·10 claims
- 4627US5787005AMethod and apparatus for signal threshold adjustment that compensates for signal asymmetryAIWA CO·Filed 1996·Granted Jul 28, 1998·3 cites·25 claims
- 4727US2002059057A1Device for reproducing information recorded on a recording medium, method for recording information recorded on a recording medium and method for displaying the informationAIWA CO·Filed 2002·Application pending·0 cites
- 4826US5838958AAutomatic track following sync timingAIWA CO·Filed 1996·Granted Nov 17, 1998·0 cites·20 claims
- 4926USD389467SExpansion unit for data storage subsystemsAIWA CO·Filed 1996·Granted Jan 20, 1998·1 cites·1 claims
- 5025US6031921ALoudspeaker unitAIWA CO·Filed 1998·Granted Feb 29, 2000·5 cites·6 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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