Inventor · disambiguated record
Hiroshi Iwai
Also filed as: IWAI HIROSHI
149 granted patents·17 pending applications·2,601 citations·filing 1974–2022
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD31PANASONIC IP MAN CO LTD27TOSHIBA KK24TOKYO SHIBAURA ELECTRIC CO16PANASONIC CORP12
Top patents by PatentIndex Score
166 records- 0197US7528674B2Mobile radio apparatus capable of adaptive impedance matchingPANASONIC CORP·Filed 2006·Granted May 5, 2009·61 cites·30 claims
- 0294US10981491B2In-vehicle light apparatusPANASONIC IP MAN CO LTD·Filed 2020·Granted Apr 20, 2021·3 cites·7 claims
- 0394US10283776B2Electrode material, and electrode layer, battery, and electrochromic device using the electrode materialTOSHIBA KK·Filed 2015·Granted May 7, 2019·8 cites·12 claims
- 0494US6806835B2Antenna structure, method of using antenna structure and communication deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Oct 19, 2004·150 cites·31 claims
- 0593US7502592B2Adaptive antenna apparatus provided with controller for controlling to select best demodulated signalPANASONIC CORP·Filed 2005·Granted Mar 10, 2009·25 cites·17 claims
- 0693US7196672B2Portable radio communication apparatus provided with a part of a housing operating as an antennaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Mar 27, 2007·12 cites·28 claims
- 0793US6806836B2Helical 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
- 0893US4455740AMethod of manufacturing a self-aligned U-MOS semiconductor deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Jun 26, 1984·103 cites·12 claims
- 0992US11285864B2In-vehicle light apparatusPANASONIC IP MAN CO LTD·Filed 2021·Granted Mar 29, 2022·2 cites·13 claims
- 1092US8000379B2Radio communication apparatusPANASONIC CORP·Filed 2006·Granted Aug 16, 2011·20 cites·23 claims
- 1192US7557761B2Array antenna apparatus having at least two feeding elements and operable in multiple frequency bandsPANASONIC CORP·Filed 2008·Granted Jul 7, 2009·36 cites·13 claims
- 1292US7447530B2Portable radio communication apparatus provided with a boom portion and a part of housing operating as an antennaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Nov 4, 2008·24 cites·6 claims
- 1391US7525493B2Adaptive antenna apparatus including a plurality sets of partial array antennas having different directivitiesPANASONIC CORP·Filed 2007·Granted Apr 28, 2009·29 cites·8 claims
- 1491US6985113B2Radio 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
- 1591US6549169B1Antenna 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
- 1691US5237188ASemiconductor device with nitrided gate insulating filmTOSHIBA KK·Filed 1991·Granted Aug 17, 1993·83 cites·11 claims
- 1791US4523213AMOS Semiconductor device and method of manufacturing the sameVLSI TECHNOLOGY RES ASS·Filed 1982·Granted Jun 11, 1985·88 cites·8 claims
- 1890US6731920B1Portable telephone apparatus and control method thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 4, 2004·42 cites·22 claims
- 1989US5489542AMethod for fabricating semiconductor device in which threshold voltage shift and charge-pumping current are improvedTOSHIBA KK·Filed 1993·Granted Feb 6, 1996·71 cites·34 claims
- 2089US4327476AMethod of manufacturing semiconductor devicesTOKYO SHIBAURA ELECTRIC CO·Filed 1980·Granted May 4, 1982·61 cites·11 claims
- 2188US10744926B2In-vehicle light apparatusPANASONIC IP MAN CO LTD·Filed 2019·Granted Aug 18, 2020·5 cites·8 claims
- 2288US4912379AMulti-phase brushless motor with increased starting torque and reduced torque rippleVICTOR COMPANY OF JAPAN·Filed 1988·Granted Mar 27, 1990·51 cites·24 claims
- 2387US5990516AMOSFET with a thin gate insulating filmTOSHIBA KK·Filed 1995·Granted Nov 23, 1999·56 cites·14 claims
- 2487US3977888AInorganic coating compositions with alkali silicateKANSAI PAINT CO LTD·Filed 1974·Granted Aug 31, 1976·48 cites·7 claims
- 2586US8395862B2Disk drive device with motor coil wiring arrangement to reduce thickness and suppressed torque decreaseWATANABE TAKANORI·Filed 2012·Granted Mar 12, 2013·4 cites·20 claims
- 2686US8213114B2Disk drive hub with motor coil wiring arrangement to reduce thickness and suppressed torque decreaseWATANABE TAKANORI·Filed 2009·Granted Jul 3, 2012·9 cites·19 claims
- 2786US6906677B2Antenna, antenna device, and radio equipmentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 14, 2005·47 cites·24 claims
- 2886US4491486AMethod for manufacturing a semiconductor deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Jan 1, 1985·59 cites·39 claims
- 2986US3930876AInorganic coating compositionMATSUSHITA ELECTRIC WORKS LTD·Filed 1974·Granted Jan 6, 1976·33 cites·7 claims
- 3085US8451557B2Disk drive device having a vibration-reducing elementNAGAI KAZUYOSHI·Filed 2010·Granted May 28, 2013·7 cites·18 claims
- 3184US7009567B2Portable radio communication apparatus provided with a part of a housing operating as an antennaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Mar 7, 2006·31 cites·29 claims
- 3283US8451558B2Disk drive device with appropriate number of combinations of magnetic poles and salient poles to reduce thickness of the disk drive deviceWATANABE TAKANORI·Filed 2011·Granted May 28, 2013·5 cites·17 claims
- 3383US8358484B2Manufacturing method of disk drive device capable of reducing amount of unbalance, disk drive device and subassembly thereofALPHANA TECHNOLOGY CO LTD·Filed 2009·Granted Jan 22, 2013·4 cites·15 claims
- 3482US7589687B2Antenna apparatus provided with antenna element excited through multiple feeding pointsPANASONIC CORP·Filed 2007·Granted Sep 15, 2009·13 cites·8 claims
- 3582US6114911APower amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 5, 2000·49 cites·25 claims
- 3682US4500615AWafer exposure method and apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Feb 19, 1985·31 cites·12 claims
- 3781US11128806B2Camera system and traveling control systemPANASONIC IP MAN CO LTD·Filed 2019·Granted Sep 21, 2021·2 cites·20 claims
- 3881US5041769ADC motor apparatus with an index signal outputVICTOR COMPANY OF JAPAN·Filed 1989·Granted Aug 20, 1991·36 cites·2 claims
- 3981US4418467ASemiconductor wafer with alignment marks and method for manufacturing semiconductor deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Dec 6, 1983·46 cites·12 claims
- 4080US12041382B2Imaging device, imaging system, vehicle running control system, and image processing devicePANASONIC IP MAN CO LTD·Filed 2022·Granted Jul 16, 2024·0 cites·13 claims
- 4179US8050639B2Multi-antenna communication apparatusPANASONIC CORP·Filed 2007·Granted Nov 1, 2011·7 cites·13 claims
- 4279US7324047B2Adaptive 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
- 4378US10957028B2Image generation device, image generation method and recording mediumPANASONIC IP MAN CO LTD·Filed 2017·Granted Mar 23, 2021·2 cites·17 claims
- 4478US10763285B2Image generation devices and image processing systems for converting resolutions of image data captured by image sensors mounted on movable-body apparatusesPANASONIC IP MAN CO LTD·Filed 2019·Granted Sep 1, 2020·2 cites·20 claims
- 4578US6410952B2MOSFET with a thin gate insulating filmTOSHIBA KK·Filed 2001·Granted Jun 25, 2002·13 cites·9 claims
- 4678US4408028AOxidation-curable emulsion composition containing a cellulose derivativeKANSAI PAINT CO LTD·Filed 1980·Granted Oct 4, 1983·15 cites·15 claims
- 4776US11056766B2Antenna apparatusPANASONIC IP MAN CO LTD·Filed 2019·Granted Jul 6, 2021·2 cites·11 claims
- 4876US6825811B2Display-antenna integral structure and communication apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 30, 2004·26 cites·23 claims
- 4976USD491557SAntennaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 15, 2004·20 cites·1 claims
- 5075US10473456B2Driving control system and driving control methodPANASONIC IP MAN CO LTD·Filed 2018·Granted Nov 12, 2019·1 cites·21 claims
Showing the top 50 of 166 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →