Inventor
UMEDA HIROAKI
JP39 patents
⚠️ This page may combine multiple inventors who share the name “UMEDA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JUJO PAPER CO LTD
12 patentsUS5698305ADec 16, 1997
Newsprint paper
JUJO PAPER CO LTD28 citations88
US4759797AJul 26, 1988
Color-developing agent for pressure-sensitive recording
JUJO PAPER CO LTD21 citations82
US4368081AJan 11, 1983
Method for removing residual hydrogen peroxide on a sterilized food package
JUJO PAPER CO LTD21 citations76
US4835134AMay 30, 1989
Color-developing sheet for pressure-sensitive sheets
JUJO PAPER CO LTD8 citations74
US4835135AMay 30, 1989
Color-developing sheet for pressure-sensitive recording sheets
JUJO PAPER CO LTD7 citations74
US4833119AMay 23, 1989
Color-developing sheet for pressure-sensitive recording sheets
JUJO PAPER CO LTD9 citations74
US4806521AFeb 21, 1989
Color-developing agent for pressure-sensitive recording sheet and color-developing sheet thereof
JUJO PAPER CO LTD8 citations74
US4784692ANov 15, 1988
Color-developing agent for pressure-sensitive recording sheet and color-developing sheet thereof
JUJO PAPER CO LTD7 citations74
US4749680AJun 7, 1988
Color-developing agent for pressure-sensitive recording sheet and color-developing sheet therefor
JUJO PAPER CO LTD8 citations74
US4247569AJan 27, 1981
Antibacterial agents
JUJO PAPER CO LTD13 citations69
US4480260AOct 30, 1984
Color-developing sheet for pressure-sensitive recording sheets
JUJO PAPER CO LTD3 citations62
US4473832ASep 25, 1984
Pressure-sensitive recording sheets
JUJO PAPER CO LTD2 citations62
TATSUTA ELECTRIC WIRE & CABLE CO LTD
11 patentsUS11510349B2Nov 22, 2022
Shield package and method of manufacturing shield package
TATSUTA ELECTRIC WIRE & CABLE CO LTD3 citations71
US10893603B2Jan 12, 2021
Heat dissipation substrate, heat dissipation circuit structure body, and method for manufacturing the same
TATSUTA ELECTRIC WIRE & CABLE CO LTD2 citations70
US12016165B2Jun 18, 2024
Shield package
TATSUTA ELECTRIC WIRE & CABLE CO LTD0 citations59
US11185630B2Nov 30, 2021
Liquid leakage detection device
TATSUTA ELECTRIC WIRE & CABLE CO LTD0 citations52
US10259952B2Apr 16, 2019
Conductive coating material for shielding electronic component package and method for producing shielded package
TATSUTA ELECTRIC WIRE & CABLE CO LTD0 citations51
US11191198B2Nov 30, 2021
Shield package
TATSUTA ELECTRIC WIRE & CABLE CO LTD0 citations50
US9420706B2Aug 16, 2016
Multilayer wiring board
TATSUTA ELECTRIC WIRE & CABLE CO LTD0 citations50
US11414554B2Aug 16, 2022
Conductive coating material and production method for shielded package using conductive coating material
TATSUTA ELECTRIC WIRE & CABLE CO LTD0 citations49
US11370926B2Jun 28, 2022
Conductive coating material and production method for shielded package using conductive coating material
TATSUTA ELECTRIC WIRE & CABLE CO LTD0 citations49
US11236227B2Feb 1, 2022
Heat dissipation material adhering composition, heat dissipation material having adhesive, inlay substrate, and method for manufacturing same
TATSUTA ELECTRIC WIRE & CABLE CO LTD0 citations49
US10059083B2Aug 28, 2018
Method of manufacturing resin impregnated material, composite material and copper-clad laminate
TATSUTA ELECTRIC WIRE & CABLE CO LTD0 citations38
TORAY INDUSTRIES
9 patentsUS9553326B2Jan 24, 2017
Aromatic sulfonic acid derivative, sulfonic acid group-containing polymer, block copolymer, polymer electrolyte material, polymer electrolyte form article, and polymer electrolyte fuel cell
TORAY INDUSTRIES2 citations71
US10186725B2Jan 22, 2019
Polymer electrolyte composition and polymer electrolyte membrane, polymer electrolyte membrane with catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell each using the same
TORAY INDUSTRIES1 citations59
US10253147B2Apr 9, 2019
Polymer electrolyte composition, polymer electrolyte membrane using same, catalyst coated membrane, membrane electrode assembly and polymer electrolyte fuel cell
TORAY INDUSTRIES0 citations51
US10243229B2Mar 26, 2019
Polymer electrolyte membrane, catalyst coated membrane, membrane electrode assembly, and polymer electrolyte fuel cell
TORAY INDUSTRIES0 citations51
US10103401B2Oct 16, 2018
Polymer electrolyte composition and polymer electrolyte membrane, polymer electrolyte membrane with catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell each using the same
TORAY INDUSTRIES0 citations51
US10483577B2Nov 19, 2019
Composite polymer electrolyte membrane, and catalyst-coated membrane, membrane electrode assembly, and polymer electrolyte fuel cell using the composite polymer electrolyte membrane
TORAY INDUSTRIES0 citations47
US11545689B2Jan 3, 2023
Electrolyte membrane
TORAY INDUSTRIES0 citations46
US10826098B2Nov 3, 2020
Composite polymer electrolyte membrane, membrane electrode assembly and solid polymer fuel cell using same
TORAY INDUSTRIES0 citations43
US9748593B2Aug 29, 2017
Polymer electrolyte composition, and polymer electrolyte membrane, membrane electrode complex and solid polymer-type fuel cell each produced using same
TORAY INDUSTRIES0 citations38
TATSUTA DENSEN KK
2 patentsIZUHARA DAISUKE
2 patentsUS9126908B2Sep 8, 2015
Aromatic sulfonic acid derivative, sulfonic acid group-containing polymer, block copolymer, polymer electrolyte material, polymer electrolyte form article, and polymer electrolyte fuel cell
IZUHARA DAISUKE7 citations81
US9653745B2May 16, 2017
Block copolymer, manufacturing method therefor, and polymer electrolyte material, molded polymer electrolyte, and solid-polymer fuel cell using said block copolymer
IZUHARA DAISUKE2 citations70