Sumioka; Kazuhiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sumioka; Kazuhiro.The latest application filed is for "hydrophilic porous carbon electrode and manufacturing method of same".

Company Profile

1.20.22

Sumioka; Kazuhiro - Tokyo JP
Sumioka; Kazuhiro - Aichi JP
Sumioka; Kazuhiro - Toyohashi JP
SUMIOKA; Kazuhiro - Toyohashi-shi JP
Sumioka; Kazuhiro - Fukuoka JP
Sumioka; Kazuhiro - Ootake-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Hydrophilic porous carbon electrode and manufacturing method of same Grant 11,437,629 - Ota , et al. September 6, 2	2022-09-06
Hydrophilic Porous Carbon Electrode And Manufacturing Method Of Same App 20200373588 - OTA; Kyu ; et al.	2020-11-26
Porous Base Material, Porous Electrode, Carbon Fiber Paper, Method For Manufacturing Carbon Fiber Paper, And Method For Manufact App 20190148739 - TATSUNO; Hiroto ; et al.	2019-05-16
Porous electrode substrate, method for manufacturing same, membrane electrode assembly, polymer electrolyte fuel cell, precursor sheet, and fibrillar fibers Grant 9,871,257 - Sumioka , et al. January 16, 2	2018-01-16
Porous electrode substrate, method for manufacturing same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell Grant 9,825,304 - Tatsuno , et al. November 21, 2	2017-11-21
Porous electrode substrate, method for manufacturing same, membrane electrode assembly, polymer electrolyte fuel cell, precursor sheet, and fibrillar fibers Grant 9,786,923 - Sumioka , et al. October 10, 2	2017-10-10
Porous electrode substrate and process for production thereof, porous electrode substrate precursor sheet, membrane-electrode assembly, and polymer electrolyte fuel cell Grant 9,780,383 - Sumioka , et al. October 3, 2	2017-10-03
Porous electrode substrate, method for manufacturing same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell Grant 9,705,137 - Tatsuno , et al. July 11, 2	2017-07-11
Porous Electrode Substrate, Method For Manufacturing Same, Membrane Electrode Assembly, Polymer Electrolyte Fuel Cell, Precursor Sheet, And Fibrillar Fibers App 20170110736 - SUMIOKA; Kazuhiro ; et al.	2017-04-20
Porous Electrode Substrate, Method For Manufacturing Same, Precursor Sheet, Membrane Electrode Assembly, And Polymer Electrolyte Fuel Cell App 20160204443 - TATSUNO; Hiroto ; et al.	2016-07-14
Porous electrode substrate, method for producing the same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell Grant 9,343,751 - Sumioka , et al. May 17, 2	2016-05-17
Porous electrode substrate and process for production thereof, porous electrode substrate precursor sheet, membrane-electrode assembly, and polymer electrolyte fuel cell Grant 9,325,016 - Sumioka , et al. April 26, 2	2016-04-26
Porous Electrode Substrate, Method For Manufacturing Same, And Polymer Electrolyte Fuel Cell App 20160087283 - SUMIOKA; Kazuhiro	2016-03-24
Porous Electrode Substrate And Process For Production Thereof, Porous Electrode Substrate Precursor Sheet, Membrane-electrode Assembly, And Polymer Electrolyte Fuel Cell App 20150280244 - SUMIOKA; Kazuhiro ; et al.	2015-10-01
Porous Electrode Substrate, Method For Manufacturing Same, Membrane-electrode Assembly, And Solid Polymer Fuel Cell App 20150155568 - Sumioka; Kazuhiro	2015-06-04
Porous electrode substrate, method for producing the same, membrane electrode assembly, and polymer electrolyte fuel cell Grant 8,986,907 - Sumioka , et al. March 24, 2	2015-03-24
Porous electrode substrate, method for producing the same, membrane electrode assembly, and polymer electrolyte fuel cell Grant 8,927,173 - Sumioka , et al. January 6, 2	2015-01-06
Porous Electrode Substrate, Method For Manufacturing Same, Precursor Sheet, Membrane Electrode Assembly, And Polymer Electrolyte Fuel Cell App 20130323620 - Tatsuno; Hiroto ; et al.	2013-12-05
Porous Electrode Substrate, Method For Manufacturing Same, Membrane Electrode Assembly, Polymer Electrolyte Fuel Cell, Precursor Sheet, And Fibrillar Fibers App 20130302714 - Sumioka; Kazuhiro ; et al.	2013-11-14
Porous electrode substrate and method for producing the same Grant 8,574,758 - Sumioka , et al. November 5, 2	2013-11-05
Porous Electrode Substrate, Method For Producing The Same, Membrane Electrode Assembly, And Polymer Electrolyte Fuel Cell App 20130273454 - Sumioka; Kazuhiro ; et al.	2013-10-17
Porous Electrode Substrate And Process For Production Thereof, Porous Electrode Substrate Precursor Sheet, Membrane-electrode Assembly, And Polymer Electrolyte Fuel Cell App 20130224625 - Sumioka; Kazuhiro ; et al.	2013-08-29
Porous Electrode Substrate, Method For Producing The Same, Precursor Sheet, Membrane Electrode Assembly, And Polymer Electrolyte Fuel Cell App 20120141911 - Sumioka; Kazuhiro ; et al.	2012-06-07
Porous Electrode Substrate And Method For Producing The Same App 20120115063 - Sumioka; Kazuhiro ; et al.	2012-05-10
Porous Electrode Substrate And Method For Producing The Same App 20120100456 - Sumioka; Kazuhiro ; et al.	2012-04-26
Porous Electrode Substrate, Method For Producing The Same, Membrane Electrode Assembly, And Polymer Electrolyte Fuel Cell App 20110294036 - Sumioka; Kazuhiro ; et al.	2011-12-01
Display device incorporating an electrode protection layer exposing the electrode element to an atmosphere Grant 7,768,193 - Tsutsui , et al. August 3, 2	2010-08-03
Display Element and Method of Manufacturing the Same App 20080315758 - Tsutsui; Tetsuo ; et al.	2008-12-25
Display element and method of manufacturing the same Grant 7,414,364 - Tsutsui , et al. August 19, 2	2008-08-19
Porous Electrode Base Material and Production Method Thereof App 20080038589 - Nakamura; Makoto ; et al.	2008-02-14
Display element and method of manufacturing the same App 20050088089 - Tsutsui, Tetsuo ; et al.	2005-04-28
Display element and method of manufacturing the same Grant 6,866,555 - Tsutsui , et al. March 15, 2	2005-03-15
Display element and method of manufacturing the same App 20020030770 - Tsutsui, Tetsuo ; et al.	2002-03-14

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