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Hiroaki Tsukiji
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Yokosuda-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Backrest of the chair and adaptation device for the same
Patent number
8,251,454
Issue date
Aug 28, 2012
Okamura Corporation
Hiroaki Tsukiji
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Backrest device in a chair
Patent number
8,191,970
Issue date
Jun 5, 2012
Okamura Corporation
Ryo Igarashi
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Patents Applications
last 30 patents
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Patent Application
BACKREST OF THE CHAIR AND ADAPTATION DEVICE FOR THE SAME
Publication number
20100237679
Publication date
Sep 23, 2010
OKAMURA CORPORATION
Hiroaki Tsukiji
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
BACKREST DEVICE IN A CHAIR
Publication number
20090127914
Publication date
May 21, 2009
Ryo Igarashi
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...