Inventor · disambiguated record
Koichi Ogawa
Also filed as: OGAWA KOICHI
87 granted patents·13 pending applications·2,090 citations·filing 1980–2023
99Inventor score
Top patents by PatentIndex Score
100 records- 0197US7528674B2Mobile radio apparatus capable of adaptive impedance matchingPANASONIC CORP·Filed 2006·Granted May 5, 2009·61 cites·30 claims
- 0294US6806835B2Antenna structure, method of using antenna structure and communication deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Oct 19, 2004·150 cites·31 claims
- 0393US7502592B2Adaptive antenna apparatus provided with controller for controlling to select best demodulated signalPANASONIC CORP·Filed 2005·Granted Mar 10, 2009·25 cites·17 claims
- 0493US6806836B2Helical antenna apparatus provided with two helical antenna elements, and radio communication apparatus provided with same helical antenna apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Oct 19, 2004·86 cites·39 claims
- 0592US9668705B2X-ray tomogram imaging deviceYAMAKAWA TSUTOMU·Filed 2011·Granted Jun 6, 2017·27 cites·23 claims
- 0692US9408579B2Radiation imaging apparatus and phantom used for the sameYAMAKAWA TSUTOMU·Filed 2011·Granted Aug 9, 2016·22 cites·20 claims
- 0792US9389320B2Radiation detector, and radiation imaging apparatus provided with detectorOGAWA KOICHI·Filed 2011·Granted Jul 12, 2016·25 cites·19 claims
- 0891US6985113B2Radio antenna apparatus provided with controller for controlling SAR and radio communication apparatus using the same radio antenna apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 10, 2006·97 cites·18 claims
- 0991US6549169B1Antenna for mobile wireless communications and portable-type wireless apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 15, 2003·75 cites·32 claims
- 1090US6731920B1Portable telephone apparatus and control method thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 4, 2004·42 cites·22 claims
- 1190US4310416APlate type fluid treatment apparatusKURARAY CO·Filed 1980·Granted Jan 12, 1982·77 cites·9 claims
- 1289US6147571ADual-band multilayer bandpass filterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 14, 2000·71 cites·23 claims
- 1388US6211830B1Radio antenna deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Apr 3, 2001·100 cites·20 claims
- 1487US6919845B2Apparatus for measuring specific absorption rate based on near magnetic field for use in radio apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 19, 2005·39 cites·18 claims
- 1586US6906677B2Antenna, antenna device, and radio equipmentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 14, 2005·47 cites·24 claims
- 1686US6320542B1Patch antenna apparatus with improved projection areaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Nov 20, 2001·84 cites·24 claims
- 1786US4700194ASmall antennaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Oct 13, 1987·63 cites·16 claims
- 1884US8891845B2Image processing apparatus and image processing methodTELESYSTEMS CO LTD·Filed 2012·Granted Nov 18, 2014·22 cites·19 claims
- 1983US5526003AAntenna for mobile communicationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jun 11, 1996·65 cites·3 claims
- 2082US9113799B2Radiation imaging apparatus and imaging method using radiationKATSUMATA AKITOSHI·Filed 2010·Granted Aug 25, 2015·20 cites·17 claims
- 2182US9084568B2Radiation imaging apparatus and imaging method using radiationKATSUMATA AKITOSHI·Filed 2010·Granted Jul 21, 2015·23 cites·5 claims
- 2280US7555762B2Clamp mechanism for disk-shaped recording medium and reproducing apparatus for the recording mediumFUJITSU TEN LTD·Filed 2005·Granted Jun 30, 2009·5 cites·4 claims
- 2380US4733440ABelt buckleNIFCO INC·Filed 1987·Granted Mar 29, 1988·61 cites·1 claims
- 2479US7324047B2Adaptive antenna apparatus for selecting adaptive control processing according to detected signal quality and radio communication apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jan 29, 2008·7 cites·21 claims
- 2579US7268564B2Apparatus for measuring specific absorption rate of radio communication apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 11, 2007·24 cites·12 claims
- 2679US7088290B2Dielectric loaded antenna apparatus with inclined radiation surface and array antenna apparatus including the dielectric loaded antenna apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 8, 2006·32 cites·51 claims
- 2779US4323455ACompact type fluid treatment apparatusKURARAY CO·Filed 1980·Granted Apr 6, 1982·41 cites·18 claims
- 2877US9629590B2Radiation imaging apparatus and imaging method using radiationTAKARA TELESYSTEMS CORP·Filed 2015·Granted Apr 25, 2017·5 cites·7 claims
- 2976US6825811B2Display-antenna integral structure and communication apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 30, 2004·26 cites·23 claims
- 3076USD491557SAntennaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 15, 2004·20 cites·1 claims
- 3175US7363642B2Optical disc and remote control deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Apr 22, 2008·14 cites·7 claims
- 3275US7161555B2Dielectric antenna and radio device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 9, 2007·24 cites·31 claims
- 3373US7565666B2Disk autochangerFUJITSU TEN LTD·Filed 2005·Granted Jul 21, 2009·3 cites·11 claims
- 3473US7439918B2Adaptive antenna apparatus including adaptive controller for adaptive controlling at least two antenna elementsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 21, 2008·5 cites·17 claims
- 3573US6680712B2Antenna having a conductive case with an openingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jan 20, 2004·23 cites·26 claims
- 3672US7130591B2Cell phoneMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 31, 2006·23 cites·16 claims
- 3772US7045789B2Radiation detection device for nuclear medicine diagnosis device and detecting method thereforTOSHIBA KK·Filed 2001·Granted May 16, 2006·15 cites·2 claims
- 3872US6177911B1Mobile radio antennaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jan 23, 2001·47 cites·19 claims
- 3971US9231730B2Radio communication deviceYOSHIKAWA YOSHISHIGE·Filed 2011·Granted Jan 5, 2016·3 cites·6 claims
- 4070US8433033B2Panoramic imaging apparatusHARATA YASUO·Filed 2006·Granted Apr 30, 2013·22 cites·11 claims
- 4170US6897814B2Mobile radioMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 24, 2005·21 cites·22 claims
- 4270US6670925B2Inverted F-type antenna apparatus and portable radio communication apparatus provided with the inverted F-type antenna apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 30, 2003·21 cites·40 claims
- 4370US6052357ACompact optical disk apparatus having a swing-motion optical headFUJITSU LTD·Filed 1997·Granted Apr 18, 2000·23 cites·9 claims
- 4469USD490801SAntennaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 1, 2004·15 cites·1 claims
- 4569US6633261B2Antenna and wireless device incorporating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 14, 2003·21 cites·26 claims
- 4666US6486847B1Monopole antennaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 26, 2002·17 cites·22 claims
- 4764US4650742ARecording media with recording layer of two metal layers sandwiching sublimable organic substance layerFUJITSU LTD·Filed 1986·Granted Mar 17, 1987·14 cites·5 claims
- 4863US6590538B1Antenna apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 8, 2003·18 cites·8 claims
- 4962US6917341B2Top-loading monopole antenna apparatus with short-circuit conductor connected between top-loading electrode and grounding conductorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 12, 2005·14 cites·20 claims
- 5062US6600455B2M-shaped antenna apparatus provided with at least two M-shaped antenna elementsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 29, 2003·14 cites·22 claims
Showing the top 50 of 100 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →