Keiji Yokose

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Carburization treatment method
- Patent number 7,575,643
- Issue date Aug 18, 2009
- Dowa Mining Co., Ltd.
- Hisashi Ebihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Carburization treatment method and carburization treatment apparatus
- Patent number 7,276,204
- Issue date Oct 2, 2007
- Dowa Thermotech Co., Ltd.
- Hisashi Ebihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Vacuum heat treatment furnace and method of and apparatus for measu...
- Patent number 7,024,916
- Issue date Apr 11, 2006
- Dowa Mining Co., Ltd.
- Hidetoshi Juryozawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Nitrided maraging steel and method of manufacture thereof
- Patent number 6,733,600
- Issue date May 11, 2004
- Nissan Motor Co., Ltd.
- Yuichi Heishi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Vacuum heat treatment furnace
- Patent number 6,709,629
- Issue date Mar 23, 2004
- Dowa Mining Co., Ltd.
- Hidetoshi Juryozawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and apparatus for carburizing, quenching and tempering
- Patent number 5,868,871
- Issue date Feb 9, 1999
- Dowa Mining Co., Ltd.
- Keiji Yokose
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Carburization treatment method and carburization treatment apparatus
- Publication number 20080073002
- Publication date Mar 27, 2008
- DOWA THERMOTECH CO., LTD.
- Fumitaka Abukawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Vacuum heat treatment furnace and method of and apparatus for measu...
- Publication number 20040149006
- Publication date Aug 5, 2004
- DOWA MINING CO., LTD.
- Hidetoshi Juryozawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Vacuum heat treatment furnace and method of and apparatus for measu...
- Publication number 20020189322
- Publication date Dec 19, 2002
- DOWA MINING CO., LTD.
- Hidetoshi Juryozawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Carburization treatment method and carburization treatment apparatus
- Publication number 20020179186
- Publication date Dec 5, 2002
- Hisashi Ebihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Carburization treatment method and carburization treatment apparatus
- Publication number 20020179187
- Publication date Dec 5, 2002
- Hisashi Ebihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Nitrided maraging steel and method of manufacture thereof
- Publication number 20020014281
- Publication date Feb 7, 2002
- Yuichi Heishi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Keiji Yokose

Person

Patents Grantslast 30 patents

Carburization treatment method

Carburization treatment method and carburization treatment apparatus

Vacuum heat treatment furnace and method of and apparatus for measu...

Nitrided maraging steel and method of manufacture thereof

Vacuum heat treatment furnace

Method and apparatus for carburizing, quenching and tempering

Patents Applicationslast 30 patents

Carburization treatment method and carburization treatment apparatus

Vacuum heat treatment furnace and method of and apparatus for measu...

Vacuum heat treatment furnace and method of and apparatus for measu...

Carburization treatment method and carburization treatment apparatus

Carburization treatment method and carburization treatment apparatus

Nitrided maraging steel and method of manufacture thereof