Inventor · disambiguated record
Hiroyuki Hayashida
Also filed as: HAYASHIDA HIROYUKI
22 granted patents·45 citations·filing 1992–2021
91Inventor score
Files withNIPPON STEEL & SUMITOMO METAL CORP4DAIICHI KIGENSO KAGAKU KOGYO3NIPPON STEEL & SUMIKIN CHEM CO3NIPPON STEEL CHEMICAL & MAT CO LTD3TANAKA HIROSHIGE2
Top patents by PatentIndex Score
22 records- 0185US9962684B2Cerium-zirconium-based composite oxide and method for producing sameDAIICHI KIGENSO KAGAKU KOGYO·Filed 2014·Granted May 8, 2018·7 cites·15 claims
- 0281US8795852B2Organic electroluminescent device with host materials having same or similar IP, EA and T1 valuesASARI TOHRU·Filed 2010·Granted Aug 5, 2014·8 cites·6 claims
- 0377US8945726B2Polymer for organic electroluminescent element, and organic electroluminescent element using the sameTANAKA HIROSHIGE·Filed 2011·Granted Feb 3, 2015·4 cites·8 claims
- 0476US12077449B2Alumina-based composite oxide and production method for sameDAIICHI KIGENSO KAGAKU KOGYO·Filed 2021·Granted Sep 3, 2024·0 cites·2 claims
- 0575US10886539B2Catalyst-carrier carbon material, solid-polymer fuel cell catalyst, solid-polymer fuel cell, and method for manufacturing catalyst-carrier carbon materialNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Jan 5, 2021·1 cites·35 claims
- 0672US10032993B2Aromatic heterocyclic compound, manufacturing method thereof, organic semiconductor material, and organic semiconductor deviceNIPPON STEEL & SUMIKIN CHEM CO·Filed 2014·Granted Jul 24, 2018·2 cites·4 claims
- 0771US10096837B2Supporting carbon material for solid polymer fuel cell and catalyst metal particle-supporting carbon materialNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Oct 9, 2018·1 cites·20 claims
- 0869US10003085B2Carbon support material for solid polymer type fuel cell use and metal catalyst particle- supporting carbon material and methods of production of sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Jun 19, 2018·1 cites·13 claims
- 0967US11242264B2Alumina-based composite oxide and production method for sameDAIICHI KIGENSO KAGAKU KOGYO·Filed 2017·Granted Feb 8, 2022·0 cites·7 claims
- 1067US9614172B2Curable composition, cured product, and organic electroluminescence element using sameNIPPON STEEL & SUMIKIN CHEM CO·Filed 2012·Granted Apr 4, 2017·2 cites·8 claims
- 1162US9543526B2Nitrogen-containing aromatic compounds and organic electroluminescent deviceISHIYAMA TAKAYA·Filed 2012·Granted Jan 10, 2017·1 cites·8 claims
- 1254US12057589B2Carbon material for catalyst carrier of polymer electrolyte fuel cell and method of producing the sameNIPPON STEEL CHEMICAL & MAT CO LTD·Filed 2018·Granted Aug 6, 2024·0 cites·20 claims
- 1354US9861959B2Catalyst composition and exhaust gas purifying methodSAKURAI KENJI·Filed 2014·Granted Jan 9, 2018·0 cites·15 claims
- 1451US11302928B2Carbon material for catalyst carrier of polymer electrolyte fuel cell, and method of producing the sameNIPPON STEEL CHEMICAL & MAT CO LTD·Filed 2018·Granted Apr 12, 2022·0 cites·5 claims
- 1549US10103398B2Support carbon material and catalyst for solid polymer type fuel cell useNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Oct 16, 2018·0 cites·6 claims
- 1646US9512131B2Organic semiconductor material for organic transistor, and organic transistor elementNIPPON STEEL & SUMIKIN CHEM CO·Filed 2014·Granted Dec 6, 2016·0 cites·3 claims
- 1745US5241207ASemiconductor device having an interconnected film with tapered edgeTOSHIBA KK·Filed 1992·Granted Aug 31, 1993·18 cites·2 claims
- 1843US12142770B2Carbon material for use as catalyst carrier of polymer electrolyte fuel cell and method of producing the sameNIPPON STEEL CHEMICAL & MAT CO LTD·Filed 2018·Granted Nov 12, 2024·0 cites·4 claims
- 1938US9290692B2Polymer light-emitting material, method for producing the same, and organic electroluminescent deviceTANAKA HIROSHIGE·Filed 2010·Granted Mar 22, 2016·0 cites·5 claims
- 2037US9299934B2Polymer for organic electroluminescent elements, and organic electroluminescent element using cured product of sameNIINA Masashi·Filed 2012·Granted Mar 29, 2016·0 cites·9 claims
- 2132US11889635B2Joined body of joining base material and metal layerWORLD METAL CO LTD·Filed 2020·Granted Jan 30, 2024·0 cites·11 claims
- 2225US9590179B2Curable composition, cured product, and organic electroluminescent element using sameHAYASHIDA HIROYUKI·Filed 2012·Granted Mar 7, 2017·0 cites·7 claims
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