Naokazu KUMAGAI

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Methanation reaction catalyst, method for producing methanation rea...
- Patent number 10,343,147
- Issue date Jul 9, 2019
- Hitachi Zosen Corporation
- Koji Hashimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst for methanation of carbon oxides, preparation method of th...
- Patent number 9,731,278
- Issue date Aug 15, 2017
- Hitachi Zosen Corporation
- Koji Hashimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst for methanation of carbon oxides, preparation method of th...
- Patent number 9,732,010
- Issue date Aug 15, 2017
- Hitachi Zosen Corporation
- Koji Hashimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst for methanation of carbon oxides, preparation method of th...
- Patent number 9,617,196
- Issue date Apr 11, 2017
- Hitachi Zosen Corporation
- Koji Hashimoto
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Anode for electrochemical reaction
- Patent number 7,914,653
- Issue date Mar 29, 2011
- Koji Hashimoto
- Koji Hashimoto
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Oxygen evolution electrode
- Patent number 7,811,426
- Issue date Oct 12, 2010
- Daiki Ataka Engineering Co., Ltd.
- Koji Hashimoto
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Oxygen evolution electrode
- Patent number 7,803,260
- Issue date Sep 28, 2010
- Daiki Ataka Engineering Co., Ltd.
- Koji Hashimoto
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process and apparatus for supplying metal ions to alloy electroplat...
- Patent number 6,056,862
- Issue date May 2, 2000
- Daiki Engineering Co., Ltd.
- Naokazu Kumagai
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Highly durable electrodes for electrolysis and a method for prepara...
- Patent number 5,593,556
- Issue date Jan 14, 1997
- Daiki Engineering Co., Ltd.
- Naokazu Kumagai
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Surface activated alloy electrodes and process for preparing them
- Patent number 4,964,967
- Issue date Oct 23, 1990
- Daiki Engineering Co., Ltd.
- Koji Hashimoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Methods for preparation of overlaid amorphous alloy layers
- Patent number 4,772,773
- Issue date Sep 20, 1988
- Daiki Engineering Co., Ltd.
- Koji Hashimoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Surface activated amorphous and supersaturated solid solution alloy...
- Patent number 4,770,949
- Issue date Sep 13, 1988
- Daiki Engineering Co., Ltd.
- Koji Hashimoto
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
METHANATION REACTION CATALYST, METHOD FOR PRODUCING METHANATION REA...
- Publication number 20170209851
- Publication date Jul 27, 2017
- Hitachi Zosen Corporation
- Koji HASHIMOTO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CATALYST FOR METHANATION OF CARBON OXIDES, PREPARATION METHOD OF TH...
- Publication number 20170166492
- Publication date Jun 15, 2017
- Hitachi Zosen Corporation
- Koji HASHIMOTO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CATALYST FOR METHANATION OF CARBON OXIDES, PREPARATION METHOD OF TH...
- Publication number 20170165643
- Publication date Jun 15, 2017
- Hitachi Zosen Corporation
- Koji HASHIMOTO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CATALYST FOR METHANATION OF CARBON OXIDES, PREPARATION METHOD OF TH...
- Publication number 20090042998
- Publication date Feb 12, 2009
- Daiki Ataka Engineering Co., Ltd.
- Koji HASHIMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Anode for electrochemical reaction
- Publication number 20080149476
- Publication date Jun 26, 2008
- Daiki Ataka Engineering Co., Ltd.
- Koji Hashimoto
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Oxygen evolution electrode
- Publication number 20080116065
- Publication date May 22, 2008
- Daiki Ataka Engineering Co., Ltd.
- Koji Hashimoto
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Oxygen evolution electrode
- Publication number 20080116064
- Publication date May 22, 2008
- Daiki Ataka Engineering Co., Ltd.
- Koji Hashimoto
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Naokazu KUMAGAI

Person

Patents Grantslast 30 patents

Methanation reaction catalyst, method for producing methanation rea...

Catalyst for methanation of carbon oxides, preparation method of th...

Catalyst for methanation of carbon oxides, preparation method of th...

Catalyst for methanation of carbon oxides, preparation method of th...

Anode for electrochemical reaction

Oxygen evolution electrode

Oxygen evolution electrode

Process and apparatus for supplying metal ions to alloy electroplat...

Highly durable electrodes for electrolysis and a method for prepara...

Surface activated alloy electrodes and process for preparing them

Methods for preparation of overlaid amorphous alloy layers

Surface activated amorphous and supersaturated solid solution alloy...

Patents Applicationslast 30 patents

METHANATION REACTION CATALYST, METHOD FOR PRODUCING METHANATION REA...

CATALYST FOR METHANATION OF CARBON OXIDES, PREPARATION METHOD OF TH...

CATALYST FOR METHANATION OF CARBON OXIDES, PREPARATION METHOD OF TH...

CATALYST FOR METHANATION OF CARBON OXIDES, PREPARATION METHOD OF TH...

Anode for electrochemical reaction

Oxygen evolution electrode

Oxygen evolution electrode