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Emi Mamada
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Gypsum-based embedding material composition for casting
Patent number
9,834,480
Issue date
Dec 5, 2017
Yoshino Gypsum Co., Ltd.
Emi Mamada
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Casting investment composition and casting process using same
Patent number
9,718,121
Issue date
Aug 1, 2017
Yoshino Gypsum Co., Ltd.
Emi Mamada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Casting investment composition and casting process using same
Patent number
9,643,239
Issue date
May 9, 2017
Yoshino Gypsum Co., Ltd.
Emi Mamada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Coloring agent composition and method for producing same
Patent number
9,630,884
Issue date
Apr 25, 2017
Yoshino Gypsum Co., Ltd.
Kenichi Sugano
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
COLORING AGENT COMPOSITION AND METHOD FOR PRODUCING SAME
Publication number
20160200633
Publication date
Jul 14, 2016
YOSHINO GYPSUM CO., LTD.
Kenichi Sugano
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
CASTING INVESTMENT COMPOSITION AND CASTING PROCESS USING SAME
Publication number
20150136350
Publication date
May 21, 2015
YOSHINO GYPSUM CO., LTD.
Emi Mamada
B22 - CASTING POWDER METALLURGY
Information
Patent Application
GYPSUM-BASED EMBEDDING MATERIAL COMPOSITION FOR CASTING
Publication number
20150080207
Publication date
Mar 19, 2015
YOSHINO GYPSUM CO., LTD.
Emi Mamada
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES