Inventor · disambiguated record
Hitoshi Tada
Also filed as: TADA HITOSHI
68 granted patents·10 pending applications·1,078 citations·filing 1991–2023
99Inventor score
Files withMURATA MANUFACTURING CO49MITSUBISHI ELECTRIC CORP25OKADA TAKAHIRO1TADA HITOSHI1UNIV KYOTO1
Top patents by PatentIndex Score
78 records- 0197US6556101B1Dielectric resonator, dielectric filter, dielectric duplexer, and communication deviceMURATA MANUFACTURING CO·Filed 2000·Granted Apr 29, 2003·108 cites·12 claims
- 0296US12051847B2Dielectric resonator, dielectric filter, and multiplexerMURATA MANUFACTURING CO·Filed 2022·Granted Jul 30, 2024·6 cites·19 claims
- 0395US6054910ADielectric filter having an inner conductor with two open-circuited inner endsMURATA MANUFACTURING CO·Filed 1999·Granted Apr 25, 2000·85 cites·23 claims
- 0494US12027742B2Distributed constant filter, distributed constant line resonator, and multiplexerMURATA MANUFACTURING CO·Filed 2022·Granted Jul 2, 2024·2 cites·16 claims
- 0593US12368221B2Dielectric filterMURATA MANUFACTURING CO·Filed 2023·Granted Jul 22, 2025·2 cites·20 claims
- 0692US5537082ADielectric resonator apparatus including means for adjusting the degree of couplingMURATA MANUFACTURING CO·Filed 1994·Granted Jul 16, 1996·61 cites·15 claims
- 0788US6384955B2Light modulatorMITSUBISHI ELECTRIC CORP·Filed 2001·Granted May 7, 2002·33 cites·11 claims
- 0884US6778751B2Optical modulator and photonic semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Aug 17, 2004·28 cites·15 claims
- 0983US5572175ACoaxial dielectric resonator apparatus having a plurality of side recesses located on a mount substrateMURATA MANUFACTURING CO·Filed 1995·Granted Nov 5, 1996·45 cites·18 claims
- 1083US5525946ADielectric resonator apparatus comprising a plurality of one-half wavelength dielectric coaxial resonators having open-circuit gaps at ends thereofMURATA MANUFACTURING CO·Filed 1994·Granted Jun 11, 1996·38 cites·10 claims
- 1181US5684902ASemiconductor laser moduleMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Nov 4, 1997·59 cites·2 claims
- 1280US5668822AIntegrated semiconductor laser deviceMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Sep 16, 1997·48 cites·2 claims
- 1378US7390683B2Method of manufacturing a semiconductor device including a slab layer with a periodic air hole structure and a linear defect regionMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Jun 24, 2008·4 cites·9 claims
- 1477US7042014B2Semiconductor deviceUNIV KYOTO·Filed 2004·Granted May 9, 2006·10 cites·27 claims
- 1576US5390205ASemiconductor laserMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Feb 14, 1995·33 cites·19 claims
- 1675US6359529B1Filtering device comprising filters, each having a resonance line, a coupling element coupled to said resonance line, and a switch for short-circuiting said resonance lineMURATA MANUFACTURING CO·Filed 1997·Granted Mar 19, 2002·21 cites·9 claims
- 1774US6455338B1Method of manufacturing an integrated semiconductor laser-modulator deviceMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Sep 24, 2002·39 cites·4 claims
- 1874US5418799ASemiconductor laser element structureMITSUBISHI ELECTRIC CORP·Filed 1993·Granted May 23, 1995·30 cites·10 claims
- 1972US6765457B2Dielectric filter, dielectric duplexer, and communication device having elongated through holesMURATA MANUFACTURING CO·Filed 2002·Granted Jul 20, 2004·10 cites·18 claims
- 2071US6157274ABand elimination filter and duplexerMURATA MANUFACTURING CO·Filed 1998·Granted Dec 5, 2000·19 cites·13 claims
- 2170US6798552B2Semiconductor light modulatorMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Sep 28, 2004·12 cites·12 claims
- 2270US5642084ADielectric filter having respective capacitance gaps flushed with the inner surface of corresponding holesMURATA MANUFACTURING CO·Filed 1994·Granted Jun 24, 1997·16 cites·13 claims
- 2368US5686873AAntenna duplexer having transmit and receive portion formed in a single dielectric blockMURATA MANUFACTURING CO·Filed 1994·Granted Nov 11, 1997·21 cites·4 claims
- 2467US5793267ADielectric block filter having first and second resonator arrays coupled togetherMURATA MANUFACTURING CO·Filed 1996·Granted Aug 11, 1998·19 cites·12 claims
- 2567US5585309AMethod of making semiconductor laserMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Dec 17, 1996·21 cites·8 claims
- 2666US5867076ADielectric resonator and dielectric resonant component having stepped portion and non-conductive inner portionMURATA MANUFACTURING CO·Filed 1997·Granted Feb 2, 1999·18 cites·26 claims
- 2763US5712604ADielectric filter including at least one band elimination filterMURATA MANUFACTURING CO·Filed 1995·Granted Jan 27, 1998·15 cites·18 claims
- 2862US5757835ASemiconductor laser deviceMITSUBISHI ELECTRIC CORP·Filed 1997·Granted May 26, 1998·21 cites·2 claims
- 2961US6008707AAntenna duplexerMURATA MANUFACTURING CO·Filed 1996·Granted Dec 28, 1999·14 cites·11 claims
- 3061US5426658ASemiconductor laser including ridge confining buffer layerMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jun 20, 1995·27 cites·3 claims
- 3160US6226310B1Semiconductor optical deviceMITSUBISHI ELECTRIC CORP·Filed 1998·Granted May 1, 2001·23 cites·4 claims
- 3259US5760666ADielectric resonant component with resist film on the mount substrateMURATA MANUFACTURING CO·Filed 1996·Granted Jun 2, 1998·16 cites·22 claims
- 3359US5696473ADielectric filter having a non-right angle stepped end surfaceMURATA MANUFACTURING CO·Filed 1995·Granted Dec 9, 1997·13 cites·10 claims
- 3459US5629656ADielectric resonator apparatus comprising connection conductors extending between resonators and external surfacesMURATA MANUFACTURING CO·Filed 1994·Granted May 13, 1997·16 cites·13 claims
- 3559US5612654ADielectric filter having stepped resonator holes with offset hole portionsMURATA MANUFACTURING CO·Filed 1995·Granted Mar 18, 1997·13 cites·21 claims
- 3658US6177852B1Dielectric filter, dielectric duplexer, and transceiverMURATA MANUFACTURING CO·Filed 1999·Granted Jan 23, 2001·12 cites·16 claims
- 3758US6014067ADielectric resonator filter having a portion of the outer surface closer to the resonatorsMURATA MANUFACTURING CO·Filed 1997·Granted Jan 11, 2000·7 cites·17 claims
- 3858US5316967AMethod for producing semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1992·Granted May 31, 1994·24 cites·13 claims
- 3956US6353374B1Dielectric filter with recessed end surfaceMURATA MANUFACTURING CO·Filed 2000·Granted Mar 5, 2002·3 cites·20 claims
- 4054US2008226223A1Method of manufacturing a semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2008·Application pending·0 cites
- 4153US7804871B2Semiconductor laserMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Sep 28, 2010·0 cites·9 claims
- 4253US6411177B1Dielectric filter, dielectric duplexer, and communication apparatusMURATA MANUFACTURING CO·Filed 2000·Granted Jun 25, 2002·3 cites·9 claims
- 4351US5786234AMethod of fabricating semiconductor laserMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Jul 28, 1998·16 cites·5 claims
- 4451US5652555ADielectrical filters having resonators at a trap frequency where the even/odd mode impedances are both zeroMURATA MANUFACTURING CO·Filed 1995·Granted Jul 29, 1997·9 cites·6 claims
- 4550US6507250B1Dielectric filter, dielectric duplexer, and communication equipmentMURATA MANUFACTURING CO·Filed 1999·Granted Jan 14, 2003·8 cites·16 claims
- 4649US7756180B2Semiconductor laserMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Jul 13, 2010·0 cites·10 claims
- 4749US6940364B2Dielectric filter, dielectric duplexer, and communication apparatusMURATA MANUFACTURING CO·Filed 2004·Granted Sep 6, 2005·2 cites·13 claims
- 4849US6466109B1Dielectric filter having non-conductive adjusting regionsMURATA MANUFACTURING CO·Filed 2000·Granted Oct 15, 2002·1 cites·18 claims
- 4948US8519501B2Semiconductor light detecting element with grooved substrateTADA HITOSHI·Filed 2012·Granted Aug 27, 2013·0 cites·5 claims
- 5048US5815056ADielectric resonator having an elongated non-conductive resonator gaps and manufacturing method thereofMURATA MANUFACTURING CO·Filed 1994·Granted Sep 29, 1998·9 cites·35 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →