Tsutomu Kawashima

Person

Ikoma, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fuel-cell cell
- Patent number 12,126,030
- Issue date Oct 22, 2024
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Shuzo Tsuchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas diffusion layer, membrane electrode assembly, fuel cell, and ma...
- Patent number 11,984,607
- Issue date May 14, 2024
- Panasonic Holdings Corporation
- Tsutomu Kawashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel battery
- Patent number 11,515,542
- Issue date Nov 29, 2022
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Tsutomu Kawashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel battery cell, fuel battery, and method of manufacturing fuel b...
- Patent number 11,489,174
- Issue date Nov 1, 2022
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yoko Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Positive electrode for air battery
- Patent number 11,276,861
- Issue date Mar 15, 2022
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Koichi Sawada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel cell
- Patent number 11,108,055
- Issue date Aug 31, 2021
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yoko Kasai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas diffusion layer for fuel battery, membrane electrode assembly,...
- Patent number 10,978,716
- Issue date Apr 13, 2021
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Tsutomu Kawashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel cell and method for manufacturing fuel cell
- Patent number 10,923,742
- Issue date Feb 16, 2021
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Takeshi Minamiura
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Polymer electrolyte fuel cells and production method thereof
- Patent number 10,847,826
- Issue date Nov 24, 2020
- Panasonic Intelletual Property Management Co., Ltd.
- Yoko Kasai
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Gas diffusion layer for fuel cell, method for manufacturing said la...
- Patent number 10,707,494
- Issue date Jul 7, 2020
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Tsutomu Kawashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel cell gas diffusion layer and method of manufacturing same
- Patent number 10,326,148
- Issue date Jun 18, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Takeou Okanishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel cell module, fuel cell stack, and method for producing fuel ce...
- Patent number 10,326,150
- Issue date Jun 18, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yoshifumi Taguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrolyte membrane for solid polymer fuel cells, membrane electro...
- Patent number 9,419,301
- Issue date Aug 16, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Masahiro Mori
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Electrode-membrane-frame assembly for fuel cell, polyelectrolyte fu...
- Patent number 8,642,230
- Issue date Feb 4, 2014
- Panasonic Corporation
- Tsutomu Kawashima
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fuel cell and method for manufacturing same
- Patent number 8,361,673
- Issue date Jan 29, 2013
- Panasonic Corporation
- Tsutomu Kawashima
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fuel-cell stack and fuel cell
- Patent number 7,632,589
- Issue date Dec 15, 2009
- Panasonic Corporation
- Tsutomu Kawashima
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Plasma display panel and heat sink
- Patent number 5,990,618
- Issue date Nov 23, 1999
- Matsushita Electric Industrial Co., Ltd.
- Makoto Morita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma display panel, method of fabricating the same, and display a...
- Patent number 5,831,374
- Issue date Nov 3, 1998
- Matsushita Electric Industrial Co., Ltd.
- Makoto Morita
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL, AND FUEL CELL
- Publication number 20220359899
- Publication date Nov 10, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- Shinichiro IMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL
- Publication number 20220336834
- Publication date Oct 20, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- Takeshi MINAMIURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL
- Publication number 20220149409
- Publication date May 12, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- Hitoshi ISHIMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL-CELL CELL
- Publication number 20220052351
- Publication date Feb 17, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- Shuzo TSUCHIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL BATTERY
- Publication number 20210408554
- Publication date Dec 30, 2021
- Panasonic Intellectual Property Management Co., Ltd.
- TSUTOMU KAWASHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GAS DIFFUSION LAYER, MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL, AND MA...
- Publication number 20210391583
- Publication date Dec 16, 2021
- PANASONIC CORPORATION
- Tsutomu KAWASHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL BATTERY CELL, FUEL BATTERY, AND METHOD OF MANUFACTURING FUEL B...
- Publication number 20210359313
- Publication date Nov 18, 2021
- Panasonic Intellectual Property Management Co., Ltd.
- YOKO YAMAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GAS DIFFUSION LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL BATTERY
- Publication number 20210313652
- Publication date Oct 7, 2021
- Panasonic Intellectual Property Management Co., Ltd.
- TSUTOMU KAWASHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GAS DIFFUSION LAYER FOR FUEL BATTERY, MEMBRANE ELECTRODE ASSEMBLY,...
- Publication number 20190379064
- Publication date Dec 12, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- TSUTOMU KAWASHIMA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POSITIVE ELECTRODE FOR AIR BATTERY
- Publication number 20190252688
- Publication date Aug 15, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- Koichi SAWADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING FUEL CELL MODULE
- Publication number 20190252694
- Publication date Aug 15, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- YOSHIFUMI TAGUCHI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
FUEL CELL
- Publication number 20190115602
- Publication date Apr 18, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- YOKO KASAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVE ELECTRODE FOR AIR BATTERY
- Publication number 20190081375
- Publication date Mar 14, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- KOICHI SAWADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL
- Publication number 20190006696
- Publication date Jan 3, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- MIYUKI YOSHIMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GAS DIFFUSION LAYER FOR FUEL CELL, METHOD FOR MANUFACTURING SAID LA...
- Publication number 20180301711
- Publication date Oct 18, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- TSUTOMU KAWASHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYMER ELECTROLYTE FUEL CELLS AND PRODUCTION METHOD THEREOF
- Publication number 20180233760
- Publication date Aug 16, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- YOKO KASAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL AND METHOD FOR MANUFACTURING FUEL CELL
- Publication number 20170373329
- Publication date Dec 28, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- TAKESHI MINAMIURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL MODULE, FUEL CELL STACK, AND METHOD FOR PRODUCING FUEL CE...
- Publication number 20170229718
- Publication date Aug 10, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- YOSHIFUMI TAGUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL GAS DIFFUSION LAYER, FUEL CELL, AND METHOD FOR MANUFACTUR...
- Publication number 20170179498
- Publication date Jun 22, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- MASASHI SHOJI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
GAS DIFFUSION LAYER FOR FUEL CELL, FUEL CELL, AND FORMATION METHOD...
- Publication number 20170162878
- Publication date Jun 8, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- SHINICHIRO IMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUEL CELL GAS DIFFUSION LAYER AND METHOD OF MANUFACTURING SAME
- Publication number 20140329167
- Publication date Nov 6, 2014
- PANASONIC CORPORATION
- Takeou Okanishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROLYTE MEMBRANE FOR SOLID POLYMER FUEL CELLS, MEMBRANE ELECTRO...
- Publication number 20130273455
- Publication date Oct 17, 2013
- Masahiro Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEPARATOR FOR POLYMER ELECTROLYTE FUEL CELL, AND POLYMER ELECTROLYT...
- Publication number 20130216939
- Publication date Aug 22, 2013
- PANASONIC CORPORATION
- Kazuhito HATOH
- G01 - MEASURING TESTING
Information Patent Application
FUEL CELL AND METHOD FOR MANUFACTURING SAME
- Publication number 20110236792
- Publication date Sep 29, 2011
- Tsutomu Kawashima
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ELECTRODE-MEMBRANE-FRAME ASSEMBLY FOR FUEL CELL, POLYELECTROLYTE FU...
- Publication number 20080305384
- Publication date Dec 11, 2008
- Tsutomu KAWASHIMA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fuel-Cell Stack And Fuel Cell
- Publication number 20080113243
- Publication date May 15, 2008
- Tsutomu Kawashima
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Separator for polymer electrolyte fuel cell, polymer electrolyte fu...
- Publication number 20050287415
- Publication date Dec 29, 2005
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Kazuhito Hatoh
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fuel-cell separator, production of the same, and fuel cell
- Publication number 20030027030
- Publication date Feb 6, 2003
- Matsushita Electric Industrial Co., Ltd.
- Tsutomu Kawashima
- H01 - BASIC ELECTRIC ELEMENTS

Tsutomu Kawashima

Person

Patents Grantslast 30 patents

Fuel-cell cell

Gas diffusion layer, membrane electrode assembly, fuel cell, and ma...

Fuel battery

Fuel battery cell, fuel battery, and method of manufacturing fuel b...

Positive electrode for air battery

Fuel cell

Gas diffusion layer for fuel battery, membrane electrode assembly,...

Fuel cell and method for manufacturing fuel cell

Polymer electrolyte fuel cells and production method thereof

Gas diffusion layer for fuel cell, method for manufacturing said la...

Fuel cell gas diffusion layer and method of manufacturing same

Fuel cell module, fuel cell stack, and method for producing fuel ce...

Electrolyte membrane for solid polymer fuel cells, membrane electro...

Electrode-membrane-frame assembly for fuel cell, polyelectrolyte fu...

Fuel cell and method for manufacturing same

Fuel-cell stack and fuel cell

Plasma display panel and heat sink

Plasma display panel, method of fabricating the same, and display a...

Patents Applicationslast 30 patents

MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL, AND FUEL CELL

MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL

MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL

FUEL-CELL CELL

FUEL BATTERY

GAS DIFFUSION LAYER, MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL, AND MA...

FUEL BATTERY CELL, FUEL BATTERY, AND METHOD OF MANUFACTURING FUEL B...

GAS DIFFUSION LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL BATTERY

GAS DIFFUSION LAYER FOR FUEL BATTERY, MEMBRANE ELECTRODE ASSEMBLY,...

POSITIVE ELECTRODE FOR AIR BATTERY

METHOD FOR PRODUCING FUEL CELL MODULE

FUEL CELL

POSITIVE ELECTRODE FOR AIR BATTERY

FUEL CELL

GAS DIFFUSION LAYER FOR FUEL CELL, METHOD FOR MANUFACTURING SAID LA...

POLYMER ELECTROLYTE FUEL CELLS AND PRODUCTION METHOD THEREOF

FUEL CELL AND METHOD FOR MANUFACTURING FUEL CELL

FUEL CELL MODULE, FUEL CELL STACK, AND METHOD FOR PRODUCING FUEL CE...

FUEL CELL GAS DIFFUSION LAYER, FUEL CELL, AND METHOD FOR MANUFACTUR...

GAS DIFFUSION LAYER FOR FUEL CELL, FUEL CELL, AND FORMATION METHOD...

FUEL CELL GAS DIFFUSION LAYER AND METHOD OF MANUFACTURING SAME

ELECTROLYTE MEMBRANE FOR SOLID POLYMER FUEL CELLS, MEMBRANE ELECTRO...

SEPARATOR FOR POLYMER ELECTROLYTE FUEL CELL, AND POLYMER ELECTROLYT...

FUEL CELL AND METHOD FOR MANUFACTURING SAME

ELECTRODE-MEMBRANE-FRAME ASSEMBLY FOR FUEL CELL, POLYELECTROLYTE FU...

Fuel-Cell Stack And Fuel Cell

Separator for polymer electrolyte fuel cell, polymer electrolyte fu...

Fuel-cell separator, production of the same, and fuel cell