Inventor
KATAYAMA MASAKAZU
JP6 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA MASAKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL & SUMIKIN CHEM CO
3 patentsUS9403947B2Aug 2, 2016
Display device, method for manufacturing same, polyimide film for display device supporting bases, and method for producing polyimide film for display device supporting bases
NIPPON STEEL & SUMIKIN CHEM CO8 citations80
US9868823B2Jan 16, 2018
Display device, method for manufacturing same, polyimide film for display device supporting bases, and method for producing polyimide film for display device supporting bases
NIPPON STEEL & SUMIKIN CHEM CO2 citations69
US9695283B2Jul 4, 2017
Display device, method for manufacturing same, polyimide film for display device supporting bases, and method for producing polyimide film for display device supporting bases
NIPPON STEEL & SUMIKIN CHEM CO4 citations69
NIPPON STEEL & SUMITOMO METAL CORP
2 patentsUS10096837B2Oct 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