Inventor · disambiguated record
Masataka Hiyoshi
Also filed as: HIYOSHI MASATAKA
9 granted patents·2 pending applications·4 citations·filing 2012–2021
77Inventor score
Files withNIPPON STEEL CHEMICAL & MAT CO LTD5NIPPON STEEL & SUMITOMO METAL CORP4NIPPON STEEL & SUMIKIN CHEM CO1TOKUMARU SHINJI1
Top patents by PatentIndex Score
11 records- 0178US11394034B2Support for polymer electrolyte fuel cell catalyst, method of producing support for polymer electrolyte fuel cell catalyst, catalyst layer for polymer electrolyte fuel cell, and fuel cellNIPPON STEEL CHEMICAL & MAT CO LTD·Filed 2018·Granted Jul 19, 2022·1 cites·12 claims
- 0275US10886539B2Catalyst-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
- 0371US10096837B2Supporting 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
- 0469US10003085B2Carbon 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
- 0558US2023395817A1Carbon Material for Polymer Electrolyte Fuel Cell Catalyst Carriers, Catalyst Layer for Polymer Electrolyte Fuel Cells, and Fuel CellNIPPON STEEL CHEMICAL & MAT CO LTD·Filed 2021·Application pending·0 cites
- 0654US12057589B2Carbon 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
- 0751US11302928B2Carbon 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
- 0849US10103398B2Support 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
- 0946US2015352522A1Carbon material for catalyst support useNIPPON STEEL & SUMIKIN CHEM CO·Filed 2014·Application pending·0 cites
- 1043US12142770B2Carbon 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
- 1142US10167199B2Method for manufacturing highly pure silicon, highly pure silicon obtained by this method, and silicon raw material for manufacturing highly pure siliconTOKUMARU SHINJI·Filed 2012·Granted Jan 1, 2019·0 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →