Fumitaka Abukawa

Person

Yokohama, 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
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
Information Patent Grant
Cementation method of metals
- Patent number 5,795,406
- Issue date Aug 18, 1998
- Dowa Mining Co., Ltd.
- Toshiyuki Kawamura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Apparatus for steel hardening and process therefor
- Patent number 5,795,538
- Issue date Aug 18, 1998
- Dowa Mining Co., Ltd.
- Fumitaka Abukawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Gas carburizing method and apparatus
- Patent number 4,950,334
- Issue date Aug 21, 1990
- Mitsubishi Jidosha Kogyo Kabushiki Kaisha
- Nobuo Nishioka
- 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...

Fumitaka Abukawa

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...

Vacuum heat treatment furnace

Method and apparatus for carburizing, quenching and tempering

Cementation method of metals

Apparatus for steel hardening and process therefor

Gas carburizing method and apparatus

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