Nobuyasu Ezawa

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrolytic electrode, anode for electrolytic production of ozone,...
- Patent number 9,353,448
- Issue date May 31, 2016
- Tanaka Kikinzoku Kogyo K.K.
- Tsuyoshi Okazaki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Apparatus for recovering platinum group elements
- Patent number 8,366,991
- Issue date Feb 5, 2013
- Dowa Metals & Mining Co., Ltd.
- Koji Yamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method and apparatus for recovering platinum group elements
- Patent number 7,815,706
- Issue date Oct 19, 2010
- Dowa Metals & Mining Co., Ltd.
- Koji Yamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process of recovering platinum group metal
- Patent number 5,252,305
- Issue date Oct 12, 1993
- Tanaka Kikinzoku Kogyo K.K.
- Nobuyasu Ezawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for refining gold and apparatus employed therefor
- Patent number 4,859,293
- Issue date Aug 22, 1989
- Tanaka Kikinzoku Kogyo K.K.
- Mamoru Hirako
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Electrolytic cell employing fluidized bed
- Patent number 4,626,331
- Issue date Dec 2, 1986
- Chlorine Engineers Corp., Ltd.
- Nobutaka Goto
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolyzing method and electrolytic cell employing fluidized bed
- Patent number 4,569,729
- Issue date Feb 11, 1986
- Chlorine Engineers Corp., Ltd.
- Nobutaka Goto
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
ELECTROLYTIC ELECTRODE, ANODE FOR ELECTROLYTIC PRODUCTION OF OZONE,...
- Publication number 20130175165
- Publication date Jul 11, 2013
- Tanaka Kikinzoku Kogyo K.K.
- Tsuyoshi Okazaki
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
APPARATUS FOR RECOVERING PLATINUM GROUP ELEMENTS
- Publication number 20110001279
- Publication date Jan 6, 2011
- DOWA METALS & MINING CO., LTD.
- Koji Yamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for recovering platinum group elements
- Publication number 20060213323
- Publication date Sep 28, 2006
- Koji Yamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method of recovering platinum group element and apparatus therefor
- Publication number 20050166707
- Publication date Aug 4, 2005
- Koji Yamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Nobuyasu Ezawa

Person

Patents Grantslast 30 patents

Electrolytic electrode, anode for electrolytic production of ozone,...

Apparatus for recovering platinum group elements

Method and apparatus for recovering platinum group elements

Process of recovering platinum group metal

Process for refining gold and apparatus employed therefor

Electrolytic cell employing fluidized bed

Electrolyzing method and electrolytic cell employing fluidized bed

Patents Applicationslast 30 patents

ELECTROLYTIC ELECTRODE, ANODE FOR ELECTROLYTIC PRODUCTION OF OZONE,...

APPARATUS FOR RECOVERING PLATINUM GROUP ELEMENTS

Method for recovering platinum group elements

Method of recovering platinum group element and apparatus therefor