Inventor · disambiguated record
Kanji Kawakami
Also filed as: KAWAKAMI KANJI · KOHZUMA TAISAKU
33 granted patents·1 pending application·1,172 citations·filing 1978–2013
98Inventor score
Files withHITACHI LTD30HITACHI INT ELECTRIC INC1NITTO ELECTRIC IND CO1PANASONIC IP MAN CO LTD1TAKAHASHI TADAYOSHI1
Top patents by PatentIndex Score
34 records- 0197US4216477ANozzle head of an ink-jet printing apparatus with built-in fluid diodesHITACHI LTD·Filed 1979·Granted Aug 5, 1980·99 cites·14 claims
- 0296US4257274ACapacitive pressure sensorHITACHI LTD·Filed 1979·Granted Mar 24, 1981·90 cites·11 claims
- 0394US4291293ASemiconductor absolute pressure transducer assembly and methodHITACHI LTD·Filed 1979·Granted Sep 22, 1981·68 cites·10 claims
- 0492US5245493AMagnetic information storage apparatus including magnetic head and method for making magnetic headHITACHI LTD·Filed 1990·Granted Sep 14, 1993·68 cites·22 claims
- 0592US4322980ASemiconductor pressure sensor having plural pressure sensitive diaphragms and methodHITACHI LTD·Filed 1979·Granted Apr 6, 1982·77 cites·19 claims
- 0691US4773060AOptical information recording deviceHITACHI LTD·Filed 1985·Granted Sep 20, 1988·44 cites·16 claims
- 0791US4689652AImage sensorHITACHI LTD·Filed 1985·Granted Aug 25, 1987·79 cites·10 claims
- 0889US4760102APorous polytetrafluoroethylene materialNITTO ELECTRIC IND CO·Filed 1986·Granted Jul 26, 1988·76 cites·14 claims
- 0989US4556807APressure transducer with temperature compensation circuitHITACHI LTD·Filed 1983·Granted Dec 3, 1985·50 cites·5 claims
- 1088US4233848AStrain gauge pressure transducer apparatus having an improved impedance bridgeHITACHI LTD·Filed 1978·Granted Nov 18, 1980·36 cites·10 claims
- 1187US5079662ACompound magnetic head having a recording head and a reproducing magnetoresitive head integrated thereinHITACHI LTD·Filed 1989·Granted Jan 7, 1992·40 cites·3 claims
- 1287US4418372AMagnetic rotary encoderHITACHI LTD·Filed 1980·Granted Nov 29, 1983·36 cites·21 claims
- 1383US9502698B2Non-aqueous electrolyte batteryPANASONIC IP MAN CO LTD·Filed 2013·Granted Nov 22, 2016·3 cites·11 claims
- 1482US4337665ASemiconductor pressure detector apparatus with zero-point temperature compensationHITACHI LTD·Filed 1980·Granted Jul 6, 1982·36 cites·11 claims
- 1582US4295115ASemiconductor absolute pressure transducer assembly and methodHITACHI LTD·Filed 1979·Granted Oct 13, 1981·44 cites·13 claims
- 1681US4503394AMagnetoresistive sensor having a closed domain structure and electrode biasingHITACHI LTD·Filed 1982·Granted Mar 5, 1985·24 cites·13 claims
- 1780US4670969AMethod of making silicon diaphragm pressure sensorHITACHI LTD·Filed 1985·Granted Jun 9, 1987·44 cites·8 claims
- 1878US4949209AThin-film magnetic head having special input/output terminal backing connection and method of fabricating the sameHITACHI LTD·Filed 1988·Granted Aug 14, 1990·23 cites·26 claims
- 1975US4558238APressure transducer using integrated circuit elementsHITACHI LTD·Filed 1983·Granted Dec 10, 1985·30 cites·6 claims
- 2073US4633099AFeedback circuit for a semiconductor active element sensorHITACHI LTD·Filed 1983·Granted Dec 30, 1986·21 cites·5 claims
- 2171US4665282ATablet type coordinate input apparatus using elastic waveHITACHI LTD·Filed 1985·Granted May 12, 1987·47 cites·20 claims
- 2270US5541789AMagnetic recording apparatus with magnetic head on slider having applied load larger than buoyant force acting on slider so that gap between magnetic head and magnetic disk is smaller than total thickness of protective layer and lubricating layer on diskHITACHI LTD·Filed 1995·Granted Jul 30, 1996·23 cites·12 claims
- 2365US5128821AFlying head slider and magnetic disk unit employing sameHITACHI LTD·Filed 1990·Granted Jul 7, 1992·16 cites·19 claims
- 2463US4861398AMethod for making a thin film magnetic headHITACHI LTD·Filed 1987·Granted Aug 29, 1989·21 cites·6 claims
- 2560US4591780AConstant current source device having a ratio metricity between supply voltage and output currentHITACHI LTD·Filed 1983·Granted May 27, 1986·15 cites·9 claims
- 2658US4511878APressure sensor with improved semiconductor diaphragmHITACHI LTD·Filed 1983·Granted Apr 16, 1985·15 cites·8 claims
- 2756US5307214AMagnetic recording apparatusHITACHI LTD·Filed 1992·Granted Apr 26, 1994·11 cites·13 claims
- 2850US5719729AMagnetic head and recording and reproducing apparatus having an arrangement for improving coincidence between a magnetic center of a read head and physical center of a write headHITACHI LTD·Filed 1992·Granted Feb 17, 1998·8 cites·4 claims
- 2950US4604899ASemiconductor-type pressure transducerHITACHI LTD·Filed 1984·Granted Aug 12, 1986·11 cites·6 claims
- 3050US2008166631A1Flat organic electrolyte secondary batteryTAKAHASHI TADAYOSHI·Filed 2008·Application pending·0 cites
- 3149US4263884AElectronic fuel feed systemHITACHI LTD·Filed 1978·Granted Apr 28, 1981·8 cites·7 claims
- 3244US6861992B2AntennaHITACHI INT ELECTRIC INC·Filed 2001·Granted Mar 1, 2005·4 cites·15 claims
- 3337US5251083AFlying head slider and method of producing the sameHITACHI LTD·Filed 1992·Granted Oct 5, 1993·3 cites·20 claims
- 3434US5671107ALarge capacity magnetic disc apparatus with a particular relationship between pole thickness, saturated flux density, and recording wavelengthHITACHI LTD·Filed 1995·Granted Sep 23, 1997·2 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →