Inventor · disambiguated record
Seiji Fujiwara
Also filed as: FUJIWARA SEIJI
46 granted patents·11 pending applications·301 citations·filing 2000–2018
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD19SHARP KK14TOSHIBA KK6PANASONIC CORP3CENTRAL GLASS CO LTD2
Top patents by PatentIndex Score
57 records- 0198US7081795B2Predistortion circuit, low-distortion power amplifier, and control methods thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 25, 2006·68 cites·2 claims
- 0293US10043999B2Electroluminescence device, electronic device, and method for manufacturing electroluminescence deviceSHARP KK·Filed 2015·Granted Aug 7, 2018·8 cites·21 claims
- 0390US9871221B2Electroluminescent device having holes for liquid filler flowSHARP KK·Filed 2015·Granted Jan 16, 2018·7 cites·8 claims
- 0489US10479409B2Vehicle-body front structureSUBARU CORP·Filed 2018·Granted Nov 19, 2019·10 cites·18 claims
- 0588US6458413B1Method of manufacturing coated paper for printingOJI PAPER CO·Filed 2000·Granted Oct 1, 2002·22 cites·4 claims
- 0685US10081872B2Hydrogen production system and method for producing hydrogenTOSHIBA KK·Filed 2015·Granted Sep 25, 2018·2 cites·4 claims
- 0785US9957626B2Hydrogen production system and method for producing hydrogenTOSHIBA KK·Filed 2015·Granted May 1, 2018·2 cites·11 claims
- 0885US6545542B2Power amplifier with coupler for cross-coupling amplifiers for reduction of differential frequency componentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 8, 2003·37 cites·24 claims
- 0984US6989713B2Predistortion circuit, low-distortion power amplifier, and control methods thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jan 24, 2006·9 cites·2 claims
- 1076US6902794B2Coated paper for printing and manufacturing method thereofOJI PAPER CO·Filed 2002·Granted Jun 7, 2005·9 cites·5 claims
- 1170US7147680B2Hydrogen purification apparatus and method and fuel cell power generation system and methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 12, 2006·10 cites·3 claims
- 1269US6972621B2Power amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Dec 6, 2005·13 cites·7 claims
- 1368US10227700B2Hydrogen production system and method for producing hydrogenTOSHIBA KK·Filed 2015·Granted Mar 12, 2019·1 cites·4 claims
- 1467US7815891B2Device and method for producing hydrogenTOSHIBA KK·Filed 2007·Granted Oct 19, 2010·2 cites·9 claims
- 1567US7132178B2Hydrogen generator, fuel cell system and control method of hydrogen generatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 7, 2006·7 cites·11 claims
- 1667US6720829B2Distortion-compensated amplifying circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 13, 2004·14 cites·31 claims
- 1767US6710652B2Feedforward amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 23, 2004·15 cites·18 claims
- 1866US10410855B2Cleaning method, method for manufacturing semiconductor device, and plasma treatment deviceSHARP KK·Filed 2016·Granted Sep 10, 2019·1 cites·5 claims
- 1966US7973412B2Semiconductor device using lead-free solder as die bonding material and die bonding material not containing leadPANASONIC CORP·Filed 2008·Granted Jul 5, 2011·4 cites·12 claims
- 2066US7960271B2Semiconductor device and method of manufacturing the samePANASONIC CORP·Filed 2008·Granted Jun 14, 2011·3 cites·10 claims
- 2166US7589402B2Semiconductor module and manufacturing method thereofPANASONIC CORP·Filed 2006·Granted Sep 15, 2009·3 cites·16 claims
- 2265US9997736B2Organic EL deviceSHARP KK·Filed 2015·Granted Jun 12, 2018·1 cites·20 claims
- 2365US9954045B2Electroluminescence device and method for producing sameSHARP KK·Filed 2015·Granted Apr 24, 2018·1 cites·14 claims
- 2465US6590449B2Predistortion circuit, low-distortion power amplifier, and control methods thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 8, 2003·8 cites·10 claims
- 2564US10355055B2Organic EL display deviceSHARP KK·Filed 2015·Granted Jul 16, 2019·1 cites·12 claims
- 2664US9947894B2Sealing film, organic el element, and organic el display deviceSHARP KK·Filed 2015·Granted Apr 17, 2018·1 cites·13 claims
- 2762US9054179B2Wafer processing methodDISCO CORP·Filed 2014·Granted Jun 9, 2015·1 cites·5 claims
- 2861US7046972B2Predistortion linearizer and predistortion distortion compensation method, program, and mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 16, 2006·11 cites·25 claims
- 2958US6728154B2Three-dimensional optical memory medium and process for producing sameCENTRAL GLASS CO LTD·Filed 2001·Granted Apr 27, 2004·3 cites·10 claims
- 3056US6933780B2Predistortion circuit and power amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 23, 2005·8 cites·19 claims
- 3156US6507253B1Delay circuit and feedforward amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 14, 2003·6 cites·12 claims
- 3255US6645893B2Glass suitable for optical functional elements and process for producing sameCENTRAL GLASS CO LTD·Filed 2001·Granted Nov 11, 2003·3 cites·26 claims
- 3354US2008254333A1Steam electrolytic apparatus and steam electrolytic methodTOSHIBA KK·Filed 2008·Application pending·0 cites
- 3453US9653702B2Electroluminescent deviceSHARP KK·Filed 2015·Granted May 16, 2017·0 cites·10 claims
- 3553US2009152106A1High temperature steam electrolyzing deviceTOSHIBA KK·Filed 2008·Application pending·0 cites
- 3652US7279142B2Hydrogen refining apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 9, 2007·0 cites·5 claims
- 3747US6940346B2Feedforward amplifier, communication apparatus, feedforward amplification method, program and mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Sep 6, 2005·5 cites·33 claims
- 3846US2008197465A1Semiconductor device and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2008·Application pending·0 cites
- 3945US6960958B2Predistortion circuit, low-distortion power amplifier, and control methods thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Nov 1, 2005·2 cites·2 claims
- 4045US2003129100A1Hydrogen purification apparatusFiled 2001·Application pending·0 cites
- 4144US11269220B2Polarized-light irradiation device and method for manufacturing liquid crystal display deviceSHARP KK·Filed 2017·Granted Mar 8, 2022·0 cites·3 claims
- 4243US10388904B2Organic el display device and method for producing organic el display deviceSHARP KK·Filed 2015·Granted Aug 20, 2019·0 cites·6 claims
- 4343US2005000825A1Process for efficient hydrogen production by thermochemical water splitting using iodine and sulfur dioxideJAPAN ATOMIC ENERGY RES INST·Filed 2004·Application pending·0 cites
- 4442US10014489B2Electroluminescent device and manufacturing methodSHARP KK·Filed 2015·Granted Jul 3, 2018·0 cites·11 claims
- 4542US8867227B2Electronic componentWATANABE ATSUSHI·Filed 2011·Granted Oct 21, 2014·0 cites·8 claims
- 4642US2003079232A1Transmission device, reception device, repeating device, frequency list transmitting device, transmission system, and transmission/reception systemFiled 2001·Application pending·0 cites
- 4742US2005193771A1Method of forming split phase area inside glassFiled 2003·Application pending·0 cites
- 4841US10333103B2Electroluminescent device and method for producing sameSHARP KK·Filed 2015·Granted Jun 25, 2019·0 cites·7 claims
- 4941US6960957B2Predistortion circuit, low-distortion power amplifier, and control methods thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 1, 2005·1 cites·9 claims
- 5041US6833758B2Power amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 21, 2004·2 cites·11 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →