Inventor
TANUMA TOSHIHIRO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “TANUMA TOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI GLASS CO LTD
16 patentsUS5545777AAug 13, 1996
Process for producing a hydrogen-containing 2,2-difluoropropane
ASAHI GLASS CO LTD53 citations95
US7220508B2May 22, 2007
Solid polymer electrolyte material, liquid composition, solid polymer fuel cell and fluoropolymer
ASAHI GLASS CO LTD31 citations92
US6093483AJul 25, 2000
Alumina sol and recording sheet
ASAHI GLASS CO LTD16 citations92
US5670249ASep 23, 1997
Recording sheet and record
ASAHI GLASS CO LTD24 citations92
US8007953B2Aug 30, 2011
Process for producing membrane/electrode assembly for polymer electrolyte fuel cell
ASAHI GLASS CO LTD10 citations84
US7157176B2Jan 2, 2007
Membrane-electrode assembly for polymer electrolyte fuel cell, and process for its production
ASAHI GLASS CO LTD14 citations84
US5928127AJul 27, 1999
Alumina sol and recording sheet
ASAHI GLASS CO LTD16 citations82
US5264639ANov 23, 1993
Process for producing a 2,2-difluoropropane
ASAHI GLASS CO LTD19 citations82
US6166122ADec 26, 2000
Alumina hydrate coating fluid, recording sheet and recorded product
ASAHI GLASS CO LTD9 citations73
US5227547AJul 13, 1993
Method for producing dichloropentafluoropropanes
ASAHI GLASS CO LTD7 citations72
US5445868AAug 29, 1995
Recording sheet and record
ASAHI GLASS CO LTD18 citations70
US6191327B1Feb 20, 2001
Method for producing dichloropentafluoropropanes
ASAHI GLASS CO LTD4 citations62
US5220084AJun 15, 1993
Method for producing dichloropentafluoropropanes
ASAHI GLASS CO LTD2 citations61
US8043763B2Oct 25, 2011
Solid polymer electrolyte material, liquid composition, solid polymer fuel cell and fluoropolymer
ASAHI GLASS CO LTD0 citations51
US5434321AJul 18, 1995
Method for producing dichloropentafluoropropanes
ASAHI GLASS CO LTD1 citations51
US10035898B2Jul 31, 2018
Method for producing liquid composition, method for producing coating liquid for forming catalyst layer, and method for producing membrane electrode assembly
ASAHI GLASS CO LTD0 citations36
TANUMA TOSHIHIRO
3 patentsUS8535847B2Sep 17, 2013
Membrane/electrode assembly for polymer electrolyte fuel cell
TANUMA TOSHIHIRO5 citations71
US8202570B2Jun 19, 2012
Process for producing membrane/electrode assembly for polymer electrolyte fuel cell and process for producing polymer electrolyte fuel cell
TANUMA TOSHIHIRO4 citations60
US8475967B2Jul 2, 2013
Membrane/electrode assembly for polymer electrolyte fuel cell and process for producing cathode for polymer electrolyte fuel cell
TANUMA TOSHIHIRO1 citations50
AGC INC
3 patentsUS12362366B2Jul 15, 2025
Catalyst layer, membrane electrode assembly for solid polymer fuel cell, and solid polymer fuel cell
AGC INC0 citations62
US10563021B2Feb 18, 2020
Methods for producing liquid composition, coating liquid for catalyst layer and membrane electrode assembly
AGC INC0 citations41
US10547062B2Jan 28, 2020
Polymer electrolyte fuel cell
AGC INC0 citations41
WATAKABE ATSUSHI
2 patentsSHIMODA HIROSHI
2 patentsUS8221919B2Jul 17, 2012
Process for forming catalyst layer, and process for producing membrane/electrode assembly for polymer electrolyte fuel cell
SHIMODA HIROSHI1 citations50
US8999434B2Apr 7, 2015
Process for producing membrane/ electrode assembly for polymer electrolyte fuel cells
SHIMODA HIROSHI0 citations39