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Toshihiko Oya
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Toyokawa-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Flaskless molding method and a flaskless molding machine
Patent number
8,636,049
Issue date
Jan 28, 2014
Sintokogio, Ltd.
Toshihiko Oya
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Molding machine
Patent number
8,251,124
Issue date
Aug 28, 2012
Sintokogio, Ltd.
Minoru Hirata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Sand-introducing device using air, and method and apparatus for pro...
Patent number
7,784,526
Issue date
Aug 31, 2010
Sintokogio, Ltd.
Hisashi Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Sand-introducing device using air, and method and apparatus for pro...
Patent number
7,762,307
Issue date
Jul 27, 2010
Sintokogio Ltd.
Hisashi Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Flaskless molding machine
Patent number
7,681,624
Issue date
Mar 23, 2010
Sintokogio, Ltd.
Minoru Hirata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Molding machine
Patent number
7,594,531
Issue date
Sep 29, 2009
Sintokogio, Ltd.
Minoru Hirata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of operation for an apparatus for making an upper and a lowe...
Patent number
7,594,532
Issue date
Sep 29, 2009
Sintokogio, Ltd.
Minoru Hirata
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
FLASKLESS MOLDING METHOD AND A FLASKLESS MOLDING MACHINE
Publication number
20130118702
Publication date
May 16, 2013
Toshihiko Oya
B22 - CASTING POWDER METALLURGY
Information
Patent Application
MOLDING MACHINE
Publication number
20100071867
Publication date
Mar 25, 2010
Minoru Hirata
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Sand-introducing device using air, and method and apparatus for pro...
Publication number
20100032124
Publication date
Feb 11, 2010
Sintokogio, Ltd.
Hisashi Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Flaskless molding machine
Publication number
20080289792
Publication date
Nov 27, 2008
Sintokogio, Ltd.
Minoru Hirata
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Molding machine and molding method
Publication number
20080169075
Publication date
Jul 17, 2008
Minoru Hirata
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Sand-introducing device using air, and method and apparatus for pro...
Publication number
20080169083
Publication date
Jul 17, 2008
Hisashi Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Method of operation for an apparatus for making an upper and a lowe...
Publication number
20080135201
Publication date
Jun 12, 2008
Minoru Hirata
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Molding machine
Publication number
20080138457
Publication date
Jun 12, 2008
Minoru Hirata
B22 - CASTING POWDER METALLURGY