Hidetoshi Juryozawa

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Tokyo, JP

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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
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...

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...