Inventor · disambiguated record
Kageyoshi Katakura
Also filed as: KATAKURA KAGEYOSHI
62 granted patents·3 pending applications·3,153 citations·filing 1975–2016
99Inventor score
Files withHITACHI LTD40HITACHI MEDICAL CORP22HITACHI METALS LTD1NATIONAL INSTITUTE OF MARITIME PORT AND AVIATION TECH1NISHIHIRA KEN1
Top patents by PatentIndex Score
65 records- 0199US4865042AUltrasonic irradiation systemHITACHI LTD·Filed 1986·Granted Sep 12, 1989·446 cites·8 claims
- 0297US4683396AComposite ultrasonic transducers and methods for making sameHITACHI LTD·Filed 1984·Granted Jul 28, 1987·89 cites·19 claims
- 0397US4680499APiezoelectric ultrasonic transducer with acoustic matching plateHITACHI LTD·Filed 1986·Granted Jul 14, 1987·155 cites·5 claims
- 0496US5040537AMethod and apparatus for the measurement and medical treatment using an ultrasonic waveHITACHI LTD·Filed 1988·Granted Aug 20, 1991·356 cites·21 claims
- 0595US5158071AUltrasonic apparatus for therapeutical useHITACHI LTD·Filed 1989·Granted Oct 27, 1992·330 cites·3 claims
- 0694US5295485AUltrasonic diagnostic systemHITACHI LTD·Filed 1992·Granted Mar 22, 1994·225 cites·20 claims
- 0792US4254662AMultiple acoustic beamformer step scannerHITACHI MEDICAL CORP·Filed 1978·Granted Mar 10, 1981·63 cites·15 claims
- 0889US5489847ARF probe for MRIHITACHI LTD·Filed 1994·Granted Feb 6, 1996·67 cites·34 claims
- 0989US4811740AUltrasonic diagnosis apparatus capable of probe exchangeHITACHI MEDICAL CORP·Filed 1987·Granted Mar 14, 1989·62 cites·10 claims
- 1088US7018546B2Water treatment method and water treatment deviceHITACHI LTD·Filed 2004·Granted Mar 28, 2006·31 cites·6 claims
- 1187US4692654AUltrasonic transducer of monolithic array typeHITACHI LTD·Filed 1985·Granted Sep 8, 1987·47 cites·18 claims
- 1287US4658176AUltrasonic transducer using piezoelectric compositeHITACHI LTD·Filed 1985·Granted Apr 14, 1987·58 cites·7 claims
- 1387US4566459AUltrasonic diagnosis systemHITACHI LTD·Filed 1984·Granted Jan 28, 1986·205 cites·9 claims
- 1484US4755707AInput deviceHITACHI METALS LTD·Filed 1986·Granted Jul 5, 1988·46 cites·5 claims
- 1584US4628223AComposite ceramic/polymer piezoelectric materialHITACHI LTD·Filed 1984·Granted Dec 9, 1986·43 cites·3 claims
- 1678US4044273AUltrasonic transducerHITACHI LTD·Filed 1975·Granted Aug 23, 1977·30 cites·16 claims
- 1777US4809703AUltrasonic doppler blood flow meterHITACHI MEDICAL CORP·Filed 1987·Granted Mar 7, 1989·39 cites·6 claims
- 1877US4801835AUltrasonic probe using piezoelectric composite materialHITACHI MEDICAL CORP·Filed 1987·Granted Jan 31, 1989·38 cites·7 claims
- 1974US5360007AUltrasonic apparatusHITACHI LTD·Filed 1993·Granted Nov 1, 1994·56 cites·22 claims
- 2070US4751847AUltrasonic velocity meterHITACHI MEDICAL CORP·Filed 1987·Granted Jun 21, 1988·35 cites·8 claims
- 2169US5457996AReceiving beam former and an ultrasonic imaging system using the sameHITACHI MEDICAL CORP·Filed 1993·Granted Oct 17, 1995·36 cites·11 claims
- 2268US4692653AAcoustic transducers utilizing ZnO thin filmHITACHI LTD·Filed 1985·Granted Sep 8, 1987·22 cites·8 claims
- 2367US5415173AUltrasound diagnosis systemHITACHI LTD·Filed 1994·Granted May 16, 1995·42 cites·19 claims
- 2463US5390676AUltrasonic flowmeterHITACHI LTD·Filed 1993·Granted Feb 21, 1995·28 cites·36 claims
- 2561US4604543AMulti-element ultrasonic transducerHITACHI LTD·Filed 1984·Granted Aug 5, 1986·15 cites·18 claims
- 2660US4679176AUltrasonic receiving apparatusHITACHI LTD·Filed 1984·Granted Jul 7, 1987·16 cites·23 claims
- 2759US5591911AUltrasound signal processorHITACHI MEDICAL CORP·Filed 1995·Granted Jan 7, 1997·23 cites·10 claims
- 2858US4995397APulse doppler flow speed meterHITACHI LTD·Filed 1989·Granted Feb 26, 1991·15 cites·9 claims
- 2958US4730494AMethod for examining a surface of a sample by means of ultrasoundHITACHI LTD·Filed 1986·Granted Mar 15, 1988·18 cites·4 claims
- 3057US5515727AUltrasound signal processorHITACHI MEDICAL CORP·Filed 1993·Granted May 14, 1996·20 cites·15 claims
- 3156US4962667AUltrasonic imaging apparatusHITACHI LTD·Filed 1989·Granted Oct 16, 1990·19 cites·9 claims
- 3255US5831168AUltrasound signal processorHITACHI MEDICAL CORP·Filed 1996·Granted Nov 3, 1998·35 cites·28 claims
- 3355US5060652AUltrasonic diagnosis apparatusHITACHI MEDICAL CORP·Filed 1989·Granted Oct 29, 1991·16 cites·8 claims
- 3455US4841491AUltrasonic beam formerHITACHI LTD·Filed 1986·Granted Jun 20, 1989·16 cites·11 claims
- 3554US4905206AUltrasonic doppler flow meterHITACHI MEDICAL CORP·Filed 1989·Granted Feb 27, 1990·17 cites·19 claims
- 3653US4759372AConvex array ultrasonic probeHITACHI MEDICAL CORP·Filed 1986·Granted Jul 26, 1988·15 cites·6 claims
- 3752US5063541ABeam forming method and apparatus therefor in ultrasonic imaging systemHITACHI MEDICAL CORP·Filed 1990·Granted Nov 5, 1991·22 cites·28 claims
- 3852US4736631AUltrasonic probesHITACHI LTD·Filed 1986·Granted Apr 12, 1988·14 cites·7 claims
- 3952US4563898AAcoustic microscopeHITACHI LTD·Filed 1984·Granted Jan 14, 1986·10 cites·8 claims
- 4051US5535747AUltrasonic equipmentHITACHI LTD·Filed 1995·Granted Jul 16, 1996·60 cites·8 claims
- 4151US2007280861A1Water treatment method and water treatment deviceHITACHI LTD·Filed 2005·Application pending·0 cites
- 4250US6224826B1Sterilizing method and apparatusHITACHI LTD·Filed 1999·Granted May 1, 2001·29 cites·13 claims
- 4350US5246006AApparatus for ultrasonic color flow mappingHITACHI MEDICAL CORP·Filed 1991·Granted Sep 21, 1993·20 cites·11 claims
- 4450US4955386APulse doppler flow speed meterHITACHI LTD·Filed 1989·Granted Sep 11, 1990·11 cites·9 claims
- 4549US5109858APulse doppler measuring apparatusHITACHI LTD·Filed 1991·Granted May 5, 1992·19 cites·33 claims
- 4649US5107466AUltrasonic doppler flow meterHITACHI MEDICAL CORP·Filed 1990·Granted Apr 21, 1992·19 cites·5 claims
- 4748US3953823AVelocity measurement apparatus using pulsed ultrasonic wavesHITACHI MEDICAL CORP·Filed 1975·Granted Apr 27, 1976·19 cites·17 claims
- 4847US4974558AUltrasonodiagnostic tomography apparatusHITACHI MEDICAL CORP·Filed 1985·Granted Dec 4, 1990·36 cites·2 claims
- 4947US4884448AUltrasonic doppler meterHITACHI MEDICAL CORP·Filed 1988·Granted Dec 5, 1989·12 cites·3 claims
- 5046US4119939AAcoustic imaging method and apparatusHITACHI MEDICAL CORP·Filed 1977·Granted Oct 10, 1978·7 cites·6 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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