Inventor · disambiguated record
Eiji Okada
Also filed as: OKADA EIJI
34 granted patents·15 pending applications·889 citations·filing 1977–2025
97Inventor score
Files withOKADA EIJI8MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6PANASONIC CORP6SHINANO KENSHI CO6MAZDA MOTOR4
Top patents by PatentIndex Score
49 records- 0194USD385702SElectric toothbrushOKADA EIJI·Filed 1996·Granted Nov 4, 1997·58 cites·1 claims
- 0292USD289576SVacuum cleanerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Apr 28, 1987·41 cites·1 claims
- 0391US6233578B1Method and system for information retrievalNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted May 15, 2001·336 cites·11 claims
- 0490US11433725B2Bushing and vehicle suspension deviceMAZDA MOTOR·Filed 2019·Granted Sep 6, 2022·7 cites·5 claims
- 0590USD307491SCombined electric shaver and cap thereforOKADA EIJI·Filed 1987·Granted Apr 24, 1990·31 cites·1 claims
- 0689US9447725B2Compressor and vacuum machineSHINANO KENSHI CO·Filed 2013·Granted Sep 20, 2016·8 cites·10 claims
- 0787US5709249ALocking structureYAZAKI CORP·Filed 1995·Granted Jan 20, 1998·70 cites·3 claims
- 0881US8002064B2Frame structure of automotive vehicleFORD GLOBAL TECH LLC·Filed 2009·Granted Aug 23, 2011·14 cites·15 claims
- 0981US5421726ATooth-brushing method by an electric toothbrush having a predetermined vibration frequencyFiled 1993·Granted Jun 6, 1995·80 cites·1 claims
- 1078US6546640B2Traverse linearity compensation method and rotational accuracy compensation method of measuring deviceMITUTOYO CORP·Filed 2001·Granted Apr 15, 2003·25 cites·7 claims
- 1178USD375204SElectric toothbrush handleOKADA EIJI·Filed 1994·Granted Nov 5, 1996·19 cites·1 claims
- 1274US11473646B2Bushing and vehicle suspension deviceMAZDA MOTOR·Filed 2019·Granted Oct 18, 2022·2 cites·14 claims
- 1374USD818273SSwitch box for battery-operated toothbrushOKADA EIJI·Filed 2017·Granted May 22, 2018·15 cites·1 claims
- 1474US7017764B2Electrical junction boxYAZAKI CORP·Filed 2003·Granted Mar 28, 2006·17 cites·4 claims
- 1574US6090479AShape-recoverable resin foamed productSEIKISUI CHEMICAL CO LTD·Filed 1998·Granted Jul 18, 2000·39 cites·11 claims
- 1670US10981513B2Center console structureMAZDA MOTOR·Filed 2019·Granted Apr 20, 2021·2 cites·2 claims
- 1770US10122159B2Electric connection boxYAZAKI CORP·Filed 2017·Granted Nov 6, 2018·2 cites·10 claims
- 1870US5617602AMotor-driven toothbrushFiled 1995·Granted Apr 8, 1997·53 cites·5 claims
- 1967US8208590B2Filter circuit, and receiver and electronic device using the same filter circuitOKADA EIJI·Filed 2007·Granted Jun 26, 2012·5 cites·14 claims
- 2066US9217970B2Heater for fixing deviceALPS ELECTRIC CO LTD·Filed 2014·Granted Dec 22, 2015·1 cites·15 claims
- 2164US9490758B2Power amplifierPANASONIC CORP·Filed 2013·Granted Nov 8, 2016·2 cites·12 claims
- 2264USD251441SSteam massagerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Mar 27, 1979·7 cites·1 claims
- 2361US7702052B2Radio-frequency receiver and integrated circuit employed for the receiverPANASONIC CORP·Filed 2006·Granted Apr 20, 2010·2 cites·12 claims
- 2461US5706542AElectrically driven toothbrushFiled 1996·Granted Jan 13, 1998·36 cites·10 claims
- 2560US8339236B2Electric connection boxOKADA EIJI·Filed 2009·Granted Dec 25, 2012·2 cites·10 claims
- 2660US7616939B2Receiver and electronic device using the samePANASONIC CORP·Filed 2006·Granted Nov 10, 2009·1 cites·10 claims
- 2759US11833832B2Liquid storage container and liquid ejection apparatusCANON KK·Filed 2022·Granted Dec 5, 2023·0 cites·15 claims
- 2858US2025250088A1Storage container, manufacturing method of storage container, and reusing method of storage containerCANON KK·Filed 2025·Application pending·0 cites
- 2952USD701537SCompressor or vacuum machineSHINANO KENSHI CO·Filed 2013·Granted Mar 25, 2014·7 cites·1 claims
- 3051US9002439B2Blood vessel wall analyzing device and blood vessel wall analyzing methodOKADA KAZUNORI·Filed 2010·Granted Apr 7, 2015·1 cites·6 claims
- 3151US2023360073A1Information processing devicePsi corp·Filed 2020·Application pending·0 cites
- 3250US2013328439A1Drive deviceSHINANO KENSHI CO·Filed 2013·Application pending·0 cites
- 3349US9709049B2Piston drive deviceSHINANO KENSHI CO·Filed 2015·Granted Jul 18, 2017·0 cites·4 claims
- 3449US2013224051A1Compressor and vacuum machineSHINANO KENSHI CO·Filed 2013·Application pending·0 cites
- 3549US2013189132A1Compressor and vacuum machineSHINANO KENSHI CO·Filed 2012·Application pending·0 cites
- 3648USD391553SSwitch boxOKADA EIJI·Filed 1996·Granted Mar 3, 1998·6 cites·1 claims
- 3745US7872540B2Oscillator device and transmitter module using sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Jan 18, 2011·0 cites·9 claims
- 3845US2010321114A1Amplifier circuit and receiver using the samePANASONIC CORP·Filed 2009·Application pending·0 cites
- 3944US9397615B2Harmonic rejection power amplifierPANASONIC CORP·Filed 2015·Granted Jul 19, 2016·0 cites·6 claims
- 4044US2010022210A1Receiving device and electronic apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Application pending·0 cites
- 4144US2010313754A1Hydrogen purification method, hydrogen separation membrane, and hydrogen purification apparatusMITSUBISHI GAS CHEMICAL CO·Filed 2007·Application pending·0 cites
- 4243US2009054021A1ReceiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 4341US9924425B2Wireless communications system and wireless communication devicePANASONIC CORP·Filed 2015·Granted Mar 20, 2018·0 cites·20 claims
- 4441US2009092541A1Hydrogen Generator and Process for Producing HydrogenTAKAMURA KOKI·Filed 2007·Application pending·0 cites
- 4539US2007206661A1Transmitter, receiver, and transmission/reception systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 4638US2019366935A1Center console structureMAZDA MOTOR·Filed 2019·Application pending·0 cites
- 4737US2012076246A1Automatic gain control device and electronic deviceOKADA EIJI·Filed 2011·Application pending·0 cites
- 4836US2012071127A1Automatic gain control device, receiver, electronic device, and automatic gain control methodTSUKAMOTO SATOSHI·Filed 2011·Application pending·0 cites
- 4932US2012142297A1ReceiverOBA YASUO·Filed 2012·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →