Inventor
SUMIOKA KAZUHIRO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “SUMIOKA KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMIOKA KAZUHIRO
5 patentsUS9325016B2Apr 26, 2016
Porous electrode substrate and process for production thereof, porous electrode substrate precursor sheet, membrane-electrode assembly, and polymer electrolyte fuel cell
SUMIOKA KAZUHIRO0 citations49
US8986907B2Mar 24, 2015
Porous electrode substrate, method for producing the same, membrane electrode assembly, and polymer electrolyte fuel cell
SUMIOKA KAZUHIRO0 citations49
US8574758B2Nov 5, 2013
Porous electrode substrate and method for producing the same
SUMIOKA KAZUHIRO1 citations49
US9871257B2Jan 16, 2018
Porous electrode substrate, method for manufacturing same, membrane electrode assembly, polymer electrolyte fuel cell, precursor sheet, and fibrillar fibers
SUMIOKA KAZUHIRO0 citations46
US9343751B2May 17, 2016
Porous electrode substrate, method for producing the same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell
SUMIOKA KAZUHIRO0 citations38
SEMICONDUCTOR ENERGY LAB
3 patentsUS6866555B2Mar 15, 2005
Display element and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB11 citations73
US7768193B2Aug 3, 2010
Display device incorporating an electrode protection layer exposing the electrode element to an atmosphere
SEMICONDUCTOR ENERGY LAB3 citations62
US7414364B2Aug 19, 2008
Display element and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB0 citations51
MITSUBISHI RAYON CO
3 patentsUS9825304B2Nov 21, 2017
Porous electrode substrate, method for manufacturing same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell
MITSUBISHI RAYON CO2 citations70
US8927173B2Jan 6, 2015
Porous electrode substrate, method for producing the same, membrane electrode assembly, and polymer electrolyte fuel cell
MITSUBISHI RAYON CO3 citations61
US9786923B2Oct 10, 2017
Porous electrode substrate, method for manufacturing same, membrane electrode assembly, polymer electrolyte fuel cell, precursor sheet, and fibrillar fibers
MITSUBISHI RAYON CO0 citations48
MITSUBISHI CHEM CORP
3 patentsUS11777109B2Oct 3, 2023
Hydrophilic porous carbon electrode and manufacturing method of same
MITSUBISHI CHEM CORP0 citations56
US11437629B2Sep 6, 2022
Hydrophilic porous carbon electrode and manufacturing method of same
MITSUBISHI CHEM CORP0 citations56
US9780383B2Oct 3, 2017
Porous electrode substrate and process for production thereof, porous electrode substrate precursor sheet, membrane-electrode assembly, and polymer electrolyte fuel cell
MITSUBISHI CHEM CORP0 citations50