Ryoichi Hiroi

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Tokushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Compatibilizing agent for polymer alloy, polymer alloy, and master...
- Patent number 8,258,242
- Issue date Sep 4, 2012
- Otsuka Chemical Co., Ltd.
- Ryoichi Hiroi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Layered titanic acid, lamellar titanic acid, lamellar titanium oxid...
- Patent number 7,455,826
- Issue date Nov 25, 2008
- Otsuka Chemical Co., Ltd.
- Akiyoshi Inubushi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Biodegradable resin composition
- Patent number 7,223,831
- Issue date May 29, 2007
- Otsuka Chemical Co., Ltd.
- Minoru Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
COMPATIBILIZING AGENT FOR POLYMER ALLOY, POLYMER ALLOY, AND MASTER...
- Publication number 20090326153
- Publication date Dec 31, 2009
- Ryoichi Hiroi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Biodegradable resin composition
- Publication number 20060089420
- Publication date Apr 27, 2006
- Minoru Yamamoto
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Layered titanic acid, lamellar titanic acid, lamellar titanium oxid...
- Publication number 20040234447
- Publication date Nov 25, 2004
- Akiyoshi Inubushi
- B82 - NANO-TECHNOLOGY