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Shigeo Takiyama
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Hyogo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Calcium carbonate filler for resin, and resin composition containin...
Patent number
9,815,953
Issue date
Nov 14, 2017
Maruo Calcium Co., Ltd.
Hidemitsu Kasahara
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Calcium carbonate filler for resin, process for producing the same,...
Patent number
8,975,322
Issue date
Mar 10, 2015
Maruo Calcium Co., Ltd.
Hidemitsu Kasahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Surface-treated calcium carbonate, method for production thereof an...
Patent number
7,341,704
Issue date
Mar 11, 2008
Maruo Calcium Company Limited
Hidemitsu Kasahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Additive comprising porous calcium phosphate for synthetic resins,...
Patent number
6,663,948
Issue date
Dec 16, 2003
Maruo Calcium Company Limited
Shigeo Takiyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Inorganic dispersant, stabilizer for suspension polymerization and...
Patent number
6,482,881
Issue date
Nov 19, 2002
Maruo Calcium Company Limited
Hiroshi Shibata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Synthetic resin additive and synthetic resin composition containing...
Patent number
6,287,530
Issue date
Sep 11, 2001
Maruo Calcium Company Ltd.
Mitsunobu Aoyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fine particles of petaloid porous hydroxyapatite and process for pr...
Patent number
6,033,780
Issue date
Mar 7, 2000
Maruo Calcium Company Limited
Hidehiko Nishioka
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Additive for synthetic resins and a synthetic resin composition
Patent number
5,976,687
Issue date
Nov 2, 1999
Maruo Calcium Company, Ltd.
Hidehiko Nishioka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Additive for synthetic resins and synthetic resin compositions
Patent number
5,844,022
Issue date
Dec 1, 1998
Maruo Calcium Company Limited
Hidehiko Nishioka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
CALCIUM CARBONATE FILLER FOR RESIN, AND RESIN COMPOSITION CONTAININ...
Publication number
20150240040
Publication date
Aug 27, 2015
MARUO CALCIUM CO., LTD.
Hidemitsu Kasahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CALCIUM CARBONATE FILLER FOR RESIN, PROCESS FOR PRODUCING THE SAME,...
Publication number
20140024761
Publication date
Jan 23, 2014
MARUO CALCIUM CO., LTD.
Hidemitsu Kasahara
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Surface-treated calcium carbonate, method for production thereof an...
Publication number
20040092639
Publication date
May 13, 2004
Hidemitsu Kasahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...