Inventor
HIYOSHI MASATAKA
JP9 patents
⚠️ This page may combine multiple inventors who share the name “HIYOSHI MASATAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL & SUMITOMO METAL CORP
4 patentsUS10886539B2Jan 5, 2021
Catalyst-carrier carbon material, solid-polymer fuel cell catalyst, solid-polymer fuel cell, and method for manufacturing catalyst-carrier carbon material
NIPPON STEEL & SUMITOMO METAL CORP1 citations60
US10103398B2Oct 16, 2018
Support carbon material and catalyst for solid polymer type fuel cell use
NIPPON STEEL & SUMITOMO METAL CORP0 citations50
US10096837B2Oct 9, 2018
Supporting carbon material for solid polymer fuel cell and catalyst metal particle-supporting carbon material
NIPPON STEEL & SUMITOMO METAL CORP1 citations48
US10003085B2Jun 19, 2018
Carbon support material for solid polymer type fuel cell use and metal catalyst particle- supporting carbon material and methods of production of same
NIPPON STEEL & SUMITOMO METAL CORP1 citations48
NIPPON STEEL CHEMICAL & MAT CO LTD
4 patentsUS11394034B2Jul 19, 2022
Support 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 cell
NIPPON STEEL CHEMICAL & MAT CO LTD1 citations59
US12142770B2Nov 12, 2024
Carbon material for use as catalyst carrier of polymer electrolyte fuel cell and method of producing the same
NIPPON STEEL CHEMICAL & MAT CO LTD0 citations48
US12057589B2Aug 6, 2024
Carbon material for catalyst carrier of polymer electrolyte fuel cell and method of producing the same
NIPPON STEEL CHEMICAL & MAT CO LTD0 citations48
US11302928B2Apr 12, 2022
Carbon material for catalyst carrier of polymer electrolyte fuel cell, and method of producing the same
NIPPON STEEL CHEMICAL & MAT CO LTD0 citations48