Inventor · disambiguated record
Harufumi Mandai
Also filed as: MANDAI HARUFUMI
81 granted patents·2 pending applications·3,788 citations·filing 1978–2008
99Inventor score
Top patents by PatentIndex Score
83 records- 0199US4543553AChip-type inductorMURATA MANUFACTURING CO·Filed 1984·Granted Sep 24, 1985·167 cites·10 claims
- 0298US6028568AChip-antennaMURATA MANUFACTURING CO·Filed 1998·Granted Feb 22, 2000·291 cites·12 claims
- 0396US4990202AMethod of manufacturing an LC composite componentMURATA MANUFACTURING CO·Filed 1989·Granted Feb 5, 1991·85 cites·15 claims
- 0496US4746557ALC composite componentMURATA MANUFACTURING CO·Filed 1986·Granted May 24, 1988·123 cites·14 claims
- 0594US5892489AChip antenna and method of making sameMURATA MANUFACTURING CO·Filed 1997·Granted Apr 6, 1999·149 cites·40 claims
- 0694US5874926AMatching circuit and antenna apparatusMURATA MANUFACTURING CO·Filed 1997·Granted Feb 23, 1999·215 cites·32 claims
- 0794US5073523ADielectric ceramic compositionMURATA MANUFACTURING CO·Filed 1990·Granted Dec 17, 1991·84 cites·1 claims
- 0894US4533931AReduction reoxidation type semiconductor ceramic condenserMURATA MANUFACTURING CO·Filed 1984·Granted Aug 6, 1985·74 cites·10 claims
- 0993US5767811AChip antennaMURATA MANUFACTURING CO·Filed 1996·Granted Jun 16, 1998·129 cites·14 claims
- 1093US5107394ACeramic electronic part and producing method thereofMURATA MANUFACTURING CO·Filed 1991·Granted Apr 21, 1992·89 cites·14 claims
- 1192US6432239B1Method of producing ceramic multilayer substrateMURATA MANUFACTURING CO·Filed 2000·Granted Aug 13, 2002·56 cites·20 claims
- 1292US6222489B1Antenna deviceMURATA MANUFACTURING CO·Filed 2000·Granted Apr 24, 2001·83 cites·7 claims
- 1392US5870066AChip antenna having multiple resonance frequenciesMURANA MFG CO LTD·Filed 1996·Granted Feb 9, 1999·169 cites·23 claims
- 1489US4803453ALaminated transformerMURATA MANUFACTURING CO·Filed 1987·Granted Feb 7, 1989·48 cites·4 claims
- 1588US5815052AHigh-frequency composite components comprising first and second circuits connected in parallel for multi-frequency systemsMURATA MANUFACTURING CO·Filed 1996·Granted Sep 29, 1998·56 cites·20 claims
- 1688US4786888AThermistor and method of producing the sameMURATA MANUFACTURING CO·Filed 1987·Granted Nov 22, 1988·53 cites·17 claims
- 1787US5473293AHigh-frequency switchMURATA MANUFACTURING CO·Filed 1993·Granted Dec 5, 1995·43 cites·9 claims
- 1887US4931354AMultilayer printed circuit boardMURATA MANUFACTURING CO·Filed 1988·Granted Jun 5, 1990·73 cites·6 claims
- 1986US5892490AMeander line antennaMURATA MANUFACTURING CO·Filed 1997·Granted Apr 6, 1999·82 cites·8 claims
- 2086US5726612AChip-type electronic componentMURATA MANUFACTURING CO·Filed 1996·Granted Mar 10, 1998·58 cites·2 claims
- 2185US5585810AAntenna unitMURATA MANUFACTURING CO·Filed 1996·Granted Dec 17, 1996·80 cites·10 claims
- 2285US5146191ADelay line device and a method for producing the sameMURATA MANUFACTURING CO·Filed 1991·Granted Sep 8, 1992·46 cites·15 claims
- 2384US6288680B1Antenna apparatus and mobile communication apparatus using the sameMURATA MANUFACTURING CO·Filed 1998·Granted Sep 11, 2001·75 cites·13 claims
- 2483US6815046B2Method of producing ceramic multilayer substrateMURATA MANUFACTURING CO·Filed 2003·Granted Nov 9, 2004·26 cites·19 claims
- 2583US5797084ARadio communication equipmentMURATA MANUFACTURING CO·Filed 1996·Granted Aug 18, 1998·74 cites·5 claims
- 2683US5495387ARC arrayMURATA MANUFACTURING CO·Filed 1994·Granted Feb 27, 1996·40 cites·9 claims
- 2783US5204301ANon-reduction type dielectric ceramic compositionMURATA MANUFACTURING CO·Filed 1992·Granted Apr 20, 1993·38 cites·4 claims
- 2882US5093986AMethod of forming bump electrodesMURATA MANUFACTURING CO·Filed 1991·Granted Mar 10, 1992·73 cites·8 claims
- 2981US6252778B1Complex electronic componentMURATA MANUFACTURING CO·Filed 1998·Granted Jun 26, 2001·33 cites·12 claims
- 3080US5510802ASurface-mountable antenna unitMURATA MANUFACTURING CO·Filed 1994·Granted Apr 23, 1996·53 cites·47 claims
- 3180US5384434AMultilayer ceramic circuit boardMURATA MANUFACTURING CO·Filed 1993·Granted Jan 24, 1995·79 cites·17 claims
- 3278US6064351AChip antenna and a method for adjusting frequency of the sameMURATA MANUFACTURING CO·Filed 1998·Granted May 16, 2000·54 cites·5 claims
- 3378US5870065AChip antenna having dielectric and magnetic material portionsMURATA MANUFACTURING CO·Filed 1996·Granted Feb 9, 1999·54 cites·56 claims
- 3478US5770986AStripline filter with a stripline-formed parallel capacitorMURATA MANUFACTURING CO·Filed 1995·Granted Jun 23, 1998·28 cites·17 claims
- 3578US5507011AHigh-frequency switch including strip line and two switching diodesMURATA MANUFACTURING CO·Filed 1993·Granted Apr 9, 1996·33 cites·13 claims
- 3677US5187455ADelay line device with adjustable time delayMURATA MANUFACTURING CO·Filed 1991·Granted Feb 16, 1993·32 cites·15 claims
- 3775US6034640AAntenna deviceMURATA MANUFACTURING CO·Filed 1998·Granted Mar 7, 2000·49 cites·10 claims
- 3875US5537123AAntennas and antenna unitsMURATA MANUFACTURING CO·Filed 1995·Granted Jul 16, 1996·47 cites·19 claims
- 3974US6525626B2Duplexer and mobile communication device using the sameMURATA MANUFACTURING CO·Filed 2001·Granted Feb 25, 2003·18 cites·18 claims
- 4070US6556109B2Dual mode band pass filterMURATA MANUFACTURING CO·Filed 2001·Granted Apr 29, 2003·9 cites·19 claims
- 4169US5912647AAntenna unitMURATA MANUFACTURING CO·Filed 1997·Granted Jun 15, 1999·39 cites·11 claims
- 4268US5936593AAntenna apparatus having a spiral conductor and a coating layerMURATA MANUFACTURING CO·Filed 1996·Granted Aug 10, 1999·29 cites·36 claims
- 4367US6052096AChip antennaMURATA MANUFACTURING CO·Filed 1996·Granted Apr 18, 2000·35 cites·12 claims
- 4466US6442399B1Mobile communication apparatusMURATA MANUFACTURING CO·Filed 2000·Granted Aug 27, 2002·18 cites·11 claims
- 4566US6424233B1Complex electronic component with a first multilayer filter having a cavity in which a second filter is mountedMURATA MANUFACTURING CO·Filed 2001·Granted Jul 23, 2002·9 cites·11 claims
- 4666US5530919AMobile communicator with means for attenuating transmitted output toward the userMURATA MANUFACTURING CO·Filed 1994·Granted Jun 25, 1996·35 cites·18 claims
- 4765US5414402AMulti-layer substrateMURATA MANUFACTURING CO·Filed 1993·Granted May 9, 1995·24 cites·4 claims
- 4864US4912450AThermistor and method of producing the sameMURATA MANUFACTURING CO·Filed 1988·Granted Mar 27, 1990·20 cites·7 claims
- 4963US5969680AAntenna device having a radiating portion provided between a wiring substrate and a caseMURATA MANUFACTURING CO·Filed 1997·Granted Oct 19, 1999·30 cites·12 claims
- 5063US5227739AVoltage controlled oscillator having a resonatorMURATA MANUFACTURING CO·Filed 1991·Granted Jul 13, 1993·27 cites·8 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →