P

Inventor

MITSUTA NAOKI

JP45 patents
⚠️ This page may combine multiple inventors who share the name “MITSUTA NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HONDA MOTOR CO LTD

27 patents
US7001929B2Feb 21, 2006

Proton conductive membrane having improved thermal stability

HONDA MOTOR CO LTD50 citations91
US7078121B2Jul 18, 2006

Aromatic sulfonate derivative, polyarylene, sulfonated polyarylene and production method thereof, macromolecular solid electrolyte, and proton conductive membrane

HONDA MOTOR CO LTD13 citations83
US9553324B2Jan 24, 2017

Fuel cell resin frame equipped membrane electrode assembly

HONDA MOTOR CO LTD3 citations73
US10141592B2Nov 27, 2018

Resin-framed membrane electrode assembly for fuel cell

HONDA MOTOR CO LTD2 citations72
US9577276B2Feb 21, 2017

Fuel cell membrane electrode assembly

HONDA MOTOR CO LTD2 citations72
US7867660B2Jan 11, 2011

Fuel cell and method of producing the same

HONDA MOTOR CO LTD5 citations63
US7445866B2Nov 4, 2008

Fuel cell stack

HONDA MOTOR CO LTD5 citations63
US12203455B2Jan 21, 2025

Electrochemical compressor

HONDA MOTOR CO LTD0 citations62
US12095126B2Sep 17, 2024

Method of controlling hydrogen/oxygen producing system and hydrogen/oxygen producing system

HONDA MOTOR CO LTD1 citations62
US9331346B2May 3, 2016

Fuel cell resin frame equipped membrane electrode assembly

HONDA MOTOR CO LTD2 citations62
US7901826B2Mar 8, 2011

Fuel cell

HONDA MOTOR CO LTD3 citations62
US7544433B2Jun 9, 2009

Electrode structure for polymer electrolyte fuel cells, and polymer electrolyte fuel cell using the same

HONDA MOTOR CO LTD2 citations62
US12516422B2Jan 6, 2026

Water electrolysis system and method of activating water electrolysis device

HONDA MOTOR CO LTD0 citations57
US12173699B2Dec 24, 2024

Electrochemical compressor

HONDA MOTOR CO LTD0 citations52
US7494733B2Feb 24, 2009

Electrode structure for solid polymer fuel cell, its production method, and solid polymer fuel cell

HONDA MOTOR CO LTD0 citations52
US7445867B2Nov 4, 2008

Electrode structure for solid-polymer type fuel cell

HONDA MOTOR CO LTD0 citations52
US7981566B2Jul 19, 2011

Membrane electrode assembly and polymer electrolyte fuel cell therewith

HONDA MOTOR CO LTD0 citations49
US7727652B2Jun 1, 2010

Membrane electrode assembly and polymer electrolyte fuel cell therewith

HONDA MOTOR CO LTD0 citations49
US11872526B2Jan 16, 2024

Electrochemical hydrogen compression system

HONDA MOTOR CO LTD0 citations47
US10745813B2Aug 18, 2020

Water electrolysis apparatus

HONDA MOTOR CO LTD0 citations42
US10581091B2Mar 3, 2020

Resin-framed membrane electrode assembly

HONDA MOTOR CO LTD0 citations42
US10243221B2Mar 26, 2019

Resin-framed membrane-electrode assembly for fuel cell and method for manufacturing the same

HONDA MOTOR CO LTD0 citations42
US10128520B2Nov 13, 2018

Fuel cell

HONDA MOTOR CO LTD0 citations41
US9130206B2Sep 8, 2015

Method for manufacturing resin-framed membrane electrode assembly for fuel cell

HONDA MOTOR CO LTD0 citations41
US7871731B2Jan 18, 2011

Fuel cell assembly operating method and fuel cell system

HONDA MOTOR CO LTD0 citations41
US9012105B2Apr 21, 2015

Membrane electrode assembly for fuel cell

HONDA MOTOR CO LTD0 citations39
US10559835B2Feb 11, 2020

Resin-framed membrane-electrode assembly for fuel cell

HONDA MOTOR CO LTD0 citations38

IDEMITSU PETROCHEMICAL CO

11 patents

JSR CORP

4 patents

TANAKA YUKIHITO

1 patent

MITSUTA NAOKI

1 patent

HAMA YUICHIRO

1 patent