Inventor · disambiguated record
Kazuo Hirota
Also filed as: HIROTA KAZUO
41 granted patents·9 pending applications·1,420 citations·filing 1981–2022
98Inventor score
Files withG C DENTAL IND CORP18HITACHI LTD15MITSUBISHI HEAVY IND LTD11IWASAKI AKIHISA1KAWASHITA RIMPEI1
Top patents by PatentIndex Score
50 records- 0195US5962550ADental filling resin compositionG C DENTAL IND CORP·Filed 1998·Granted Oct 5, 1999·149 cites·13 claims
- 0294US5063257ADental glass ionomer cement compositionsG C DENTAL IND CORP·Filed 1989·Granted Nov 5, 1991·257 cites·13 claims
- 0393US4952272AMethod of manufacturing probing head for testing equipment of semi-conductor large scale integrated circuitsHITACHI LTD·Filed 1989·Granted Aug 28, 1990·105 cites·20 claims
- 0491US4549042ALitz wire for degreasing skin effect at high frequencyHITACHI LTD·Filed 1982·Granted Oct 22, 1985·54 cites·13 claims
- 0588US6756421B1Dental glass ionomer cement compositionG C DENTAL IND CORP·Filed 2000·Granted Jun 29, 2004·38 cites·4 claims
- 0687US4673772AElectronic circuit device and method of producing the sameHITACHI LTD·Filed 1985·Granted Jun 16, 1987·77 cites·12 claims
- 0786US6174935B1Dental adhesive kitG C DENTAL IND CORP·Filed 1998·Granted Jan 16, 2001·90 cites·3 claims
- 0885US6355585B1Glass powder for glass ionomer cementG C DENTAL IND CORP·Filed 2000·Granted Mar 12, 2002·18 cites·5 claims
- 0985US4374936ALiquid of acrylic copolymer and tetrahydrofurantetracarboxylic acid for setting dental cementsG C DENTAL IND CORP·Filed 1981·Granted Feb 22, 1983·54 cites·8 claims
- 1082US6264472B1Method for setting dental glass ionomer cementG C DENTAL IND CORP·Filed 2000·Granted Jul 24, 2001·15 cites·9 claims
- 1182US5491301AShielding method and circuit board employing the sameHITACHI LTD·Filed 1993·Granted Feb 13, 1996·73 cites·12 claims
- 1282US4342677AFluorocomplex salt-containing liquid for setting dental cementsG C DENTAL IND CORP·Filed 1981·Granted Aug 3, 1982·47 cites·5 claims
- 1381US5406027AMounting structure and electronic device employing the sameHITACHI LTD·Filed 1991·Granted Apr 11, 1995·64 cites·10 claims
- 1480US4775592AFluoroaluminosilicate glass powder for dental glass ionomer cementG C DENTAL IND CORP·Filed 1986·Granted Oct 4, 1988·61 cites·7 claims
- 1578US4900697AGlass powders for dental glass ionomer cementsG C DENTAL IND CORP·Filed 1988·Granted Feb 13, 1990·52 cites·6 claims
- 1675US4647600ADental cement compositionsG C DENTAL IND CORP·Filed 1986·Granted Mar 3, 1987·47 cites·5 claims
- 1774US11462335B2Supporting force inspection device and supporting force inspection methodMITSUBISHI HEAVY IND LTD·Filed 2018·Granted Oct 4, 2022·1 cites·14 claims
- 1872US10935232B2Vibration damping structure for heat-transfer tube bundleMITSUBISHI HEAVY IND LTD·Filed 2017·Granted Mar 2, 2021·1 cites·10 claims
- 1970US10990712B2Contact force evaluation methodMITSUBISHI HEAVY IND LTD·Filed 2017·Granted Apr 27, 2021·2 cites·9 claims
- 2070US5761049AInductance cancelled condenser implemented apparatusHITACHI LTD·Filed 1995·Granted Jun 2, 1998·24 cites·14 claims
- 2170US4652593ADental aluminate cement compositionsG C DENTAL IND CORP·Filed 1986·Granted Mar 24, 1987·38 cites·4 claims
- 2269US8800783B2Polyamide hollow fiber membrane, and production method thereofMATSUYAMA HIDETO·Filed 2009·Granted Aug 12, 2014·3 cites·8 claims
- 2368US4591384ADental cement compositionsG C DENTAL IND CORP·Filed 1984·Granted May 27, 1986·25 cites·9 claims
- 2457US12287045B2Measurement method for steam valve and measurement device for steam valveMITSUBISHI HEAVY IND LTD·Filed 2022·Granted Apr 29, 2025·0 cites·10 claims
- 2555US4524824ADental cementG C DENTAL IND CORP·Filed 1983·Granted Jun 25, 1985·17 cites·6 claims
- 2653US4685622APiece gun for sprayingMEIJI KIKAI SEISAKUSYO CO LTD·Filed 1985·Granted Aug 11, 1987·28 cites·5 claims
- 2752US5249100AElectronic circuit device provided with a ceramic substrate having lead pins bonded thereto by solderHITACHI LTD·Filed 1990·Granted Sep 28, 1993·22 cites·9 claims
- 2852US4632824ACompositions applied in the mouthG C DENTAL IND CORP·Filed 1984·Granted Dec 30, 1986·12 cites·4 claims
- 2952US2015219332A1Heat exchanger tube vibration suppression device and steam generatorMITSUBISHI HEAVY IND LTD·Filed 2013·Application pending·0 cites
- 3050US4725925ACircuit boardHITACHI LTD·Filed 1984·Granted Feb 16, 1988·12 cites·6 claims
- 3147US12510186B2Steam valve and power generation systemMITSUBISHI HEAVY IND LTD·Filed 2022·Granted Dec 30, 2025·0 cites·11 claims
- 3247US5173120ACoating apparatus having a partitioned coating chamberMITSUBISHI HEAVY IND LTD·Filed 1991·Granted Dec 22, 1992·13 cites·6 claims
- 3347US4592015AMagnetic bubble memory moduleHITACHI LTD·Filed 1984·Granted May 27, 1986·6 cites·9 claims
- 3446US8903032B2Structure for suppressing flow vibration of instrumentation guide tubeUDA NOBUKI·Filed 2008·Granted Dec 2, 2014·0 cites·5 claims
- 3546US2015289956A1Method for manufacturing one-piece dental implantG C DENTAL IND CORP·Filed 2013·Application pending·0 cites
- 3645US12270335B2Piping support structure, intake duct, and gas turbineMITSUBISHI HEAVY IND LTD·Filed 2022·Granted Apr 8, 2025·0 cites·12 claims
- 3744US2002044912A1Composition for remineralization of a toothG C DENTAL IND CORP·Filed 2001·Application pending·0 cites
- 3843US10654329B2Amphibious vehicleMITSUBISHI HEAVY IND LTD·Filed 2018·Granted May 19, 2020·0 cites·5 claims
- 3942US4663737AMagnetic bubble memory unitHITACHI LTD·Filed 1984·Granted May 5, 1987·4 cites·20 claims
- 4040US2012128114A1Nuclear fuel storage rack connection structure and connection method thereofIWASAKI AKIHISA·Filed 2011·Application pending·0 cites
- 4140US2019293482A1Self-excited vibration evaluation methodMITSUBISHI HEAVY IND LTD·Filed 2017·Application pending·0 cites
- 4239US2002039957A1Glass ionomer-based fluoride applying materialG C DENTAL IND CORP·Filed 2001·Application pending·0 cites
- 4337US2014014295A1Steam generatorUMEHARA RYUICHI·Filed 2012·Application pending·0 cites
- 4437US2014053555A1Heat transfer tube repairing apparatus and method and steam generatorMITSUBISHI HEAVY IND LTD·Filed 2013·Application pending·0 cites
- 4536US4972369AMagnetic bubble memory module with interconnection memberHITACHI LTD·Filed 1989·Granted Nov 20, 1990·4 cites·4 claims
- 4636US4592014AMagnetic bubble memory deviceHITACHI LTD·Filed 1984·Granted May 27, 1986·2 cites·15 claims
- 4735US4975871AMagnetic bubble memory module with interconnection memberHITACHI LTD·Filed 1988·Granted Dec 4, 1990·4 cites·15 claims
- 4832US2009074523A1Deep-Hole Drilling ApparatusKAWASHITA RIMPEI·Filed 2007·Application pending·0 cites
- 4929US4694423AMagnetic bubble memory moduleHITACHI LTD·Filed 1986·Granted Sep 15, 1987·1 cites·9 claims
- 5028US4730271AMagnetic field confirming case with inclined portions for magnetic bubble memory moduleHITACHI LTD·Filed 1986·Granted Mar 8, 1988·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →