Inventor · disambiguated record
Hirokazu Takagi
Also filed as: TAKAGI HIROKAZU
43 granted patents·13 pending applications·298 citations·filing 1993–2020
98Inventor score
Top patents by PatentIndex Score
56 records- 0197US10131827B2Working fluid for heat cycle, composition for heat cycle system, and heat cycle systemASAHI GLASS CO LTD·Filed 2016·Granted Nov 20, 2018·36 cites·10 claims
- 0297US9976067B2Composition for heat cycle system, and heat cycle systemASAHI GLASS CO LTD·Filed 2016·Granted May 22, 2018·18 cites·14 claims
- 0397US9957430B2Composition for heat cycle system, and heat cycle systemASAHI GLASS CO LTD·Filed 2016·Granted May 1, 2018·15 cites·15 claims
- 0497US9957429B2Composition for heat cycle system, and heat cycle systemASAHI GLASS CO LTD·Filed 2016·Granted May 1, 2018·17 cites·15 claims
- 0594US10233371B2Composition for heat cycle system, and heat cycle systemASAHI GLASS CO LTD·Filed 2018·Granted Mar 19, 2019·5 cites·15 claims
- 0694US8530711B2Process for producing 2,3,3,3-tetrafluoropropeneKAWAGUCHI SATOSHI·Filed 2011·Granted Sep 10, 2013·12 cites·14 claims
- 0793US11072734B2Composition for heat cycle system, and heat cycle systemAGC INC·Filed 2019·Granted Jul 27, 2021·2 cites·17 claims
- 0893US10392546B2Composition for heat cycle system, and heat cycle systemAGC INC·Filed 2018·Granted Aug 27, 2019·4 cites·14 claims
- 0993US8399722B2Process for producing 2,3,3,3-tetrafluoropropeneKAWAGUCHI SATOSHI·Filed 2011·Granted Mar 19, 2013·9 cites·12 claims
- 1092US8766021B2Process for producing 2,3,3,3-tetrafluoropropeneKAWAGUCHI SATOSHI·Filed 2011·Granted Jul 1, 2014·8 cites·19 claims
- 1192US8569553B2Process for producing 2,3,3,3-tetrafluoropropeneTAKAGI HIROKAZU·Filed 2011·Granted Oct 29, 2013·10 cites·18 claims
- 1291US10418876B2Compressor and heat cycle system for refrigeratorAGC INC·Filed 2018·Granted Sep 17, 2019·6 cites·18 claims
- 1391US8530710B2Process for producing 2,3,3,3-tetrafluoropropeneTAKAGI HIROKAZU·Filed 2011·Granted Sep 10, 2013·11 cites·11 claims
- 1489US10787597B2Working fluid for heat cycle, composition for heat cycle system, and heat cycle systemAGC INC·Filed 2018·Granted Sep 29, 2020·4 cites·20 claims
- 1589US7868755B2Sensor attached IC tag application high voltage equipmentTOSHIBA KK·Filed 2007·Granted Jan 11, 2011·22 cites·12 claims
- 1688US6899899B2Rapidly disintegrable pharmaceutical compositionYAMANOUCHI PHARMA CO LTD·Filed 2002·Granted May 31, 2005·18 cites·7 claims
- 1787US8844913B2Buffering device for the operating mechanism of a switchgear, and method of lubrication thereofOHDA YOSHIAKI·Filed 2010·Granted Sep 30, 2014·6 cites·7 claims
- 1884US8330065B2Switchgear and switchgear operating mechanismOHDA YOSHIAKI·Filed 2010·Granted Dec 11, 2012·7 cites·21 claims
- 1984US7189415B2Rapidly disintegrable pharmaceutical compositionASTELLAS PHARMA INC·Filed 2004·Granted Mar 13, 2007·11 cites·3 claims
- 2083US8420969B2Switchgear and switchgear operating mechanismMARUSHIMA SATOSHI·Filed 2010·Granted Apr 16, 2013·7 cites·19 claims
- 2183US7092007B2Vehicular forward-vision display system decreasing luminance with decreasing vehicle speedDENSO CORP·Filed 2003·Granted Aug 15, 2006·34 cites·7 claims
- 2281US10377686B2Method for producing 1-chloro-2,3,3,3-tetrafluoropropeneAGC INC·Filed 2018·Granted Aug 13, 2019·1 cites·9 claims
- 2371US6803488B2Process for producing fluorinated ketoneASAHI GLASS CO LTD·Filed 2003·Granted Oct 12, 2004·4 cites·1 claims
- 2468US8642820B2Process for producing 1,1-dichloro-2,3,3,3-tetrafluoropropene and 2,3,3,3-tetrafluoropropeneSEKI RYUJI·Filed 2011·Granted Feb 4, 2014·1 cites·12 claims
- 2568US2007014856A1Rapidly disintegrable pharmaceutical compositionASTELLAS PHARMA INC·Filed 2006·Application pending·0 cites
- 2665US11149177B2Working fluid for heat cycleAGC INC·Filed 2019·Granted Oct 19, 2021·0 cites·10 claims
- 2765US6534683B2Process for producing fluorinated alkylamine compoundASAHI GLASS CO LTD·Filed 2002·Granted Mar 18, 2003·3 cites·20 claims
- 2864US11827831B2Fluid composition, refrigerant composition and air conditionerAGC INC·Filed 2019·Granted Nov 28, 2023·0 cites·6 claims
- 2964US11009269B2Heat cycle systemAGC INC·Filed 2019·Granted May 18, 2021·0 cites·11 claims
- 3064US6649853B2Combined type fluid pressure driving apparatusTOSHIBA KK·Filed 2001·Granted Nov 18, 2003·12 cites·15 claims
- 3161US11046630B2Method for producing 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene, and compositionAGC INC·Filed 2020·Granted Jun 29, 2021·0 cites·15 claims
- 3260US7557227B2Process for producing hexafluoropropylene oxideASAHI GLASS CO LTD·Filed 2004·Granted Jul 7, 2009·1 cites·31 claims
- 3359US9570891B2Buffering device for the operating mechanism of a switchgear, and method of lubrication thereofTOSHIBA KK·Filed 2014·Granted Feb 14, 2017·0 cites·2 claims
- 3459US9178339B2Buffering device for the operating mechanism of a switchgear, and method of lubrication thereofTOSHIBA KK·Filed 2014·Granted Nov 3, 2015·0 cites·1 claims
- 3559US9142941B2Buffering device for the operating mechanism of a switchgear, and method of lubrication thereofTOSHIBA KK·Filed 2014·Granted Sep 22, 2015·0 cites·4 claims
- 3659US9136675B2Buffering device for the operating mechanism of a switchgear, and method of lubrication thereofTOSHIBA KK·Filed 2014·Granted Sep 15, 2015·0 cites·5 claims
- 3757US7053326B2Integrated type gas-insulated switching apparatusTOSHIBA KK·Filed 2004·Granted May 30, 2006·8 cites·21 claims
- 3856US11548267B2Heat cycle systemAGC INC·Filed 2019·Granted Jan 10, 2023·0 cites·5 claims
- 3956US2018051198A1Fluid composition, refrigerant composition and air conditionerASAHI GLASS CO LTD·Filed 2017·Application pending·0 cites
- 4054US9193649B2Purifying method and manufacturing method of 2,3,3,3-tetrafluoropropeneASAHI GLASS CO LTD·Filed 2014·Granted Nov 24, 2015·0 cites·12 claims
- 4152US6743999B2Integrated type gas-insulated switching apparatusTOSHIBA KK·Filed 2001·Granted Jun 1, 2004·6 cites·6 claims
- 4252US2018371958A1Heat cycle system and heat cycle method using the sameAGC INC·Filed 2018·Application pending·0 cites
- 4351US7408019B2Fluorinated ether compoundASAHI GLASS CO LTD·Filed 2006·Granted Aug 5, 2008·0 cites·11 claims
- 4450US6969776B2Process for producing fluorinated ketoneASAHI GLASS CO LTD·Filed 2004·Granted Nov 29, 2005·0 cites·23 claims
- 4550US2009163653A1Perfluorocarboxylic acid salt and process for producing itASAHI GLASS CO LTD·Filed 2009·Application pending·0 cites
- 4647US2018363965A1Refrigeration cycle apparatusAGC INC·Filed 2018·Application pending·0 cites
- 4746US2018299175A1Refrigeration cycle deviceASAHI GLASS CO LTD·Filed 2018·Application pending·0 cites
- 4846US2018331436A1Refrigeration cycle deviceAGC INC·Filed 2018·Application pending·0 cites
- 4946US2018320942A1Refrigeration cycle device and heat cycle systemAGC INC·Filed 2018·Application pending·0 cites
- 5046US2019003469A1Heat exchange unitAGC INC·Filed 2018·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →