Hiroaki NAKAO

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Fuji-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing polyacetal copolymer
- Patent number 9,745,400
- Issue date Aug 29, 2017
- Polyplastics Co., Ltd.
- Hiroaki Nakao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Solid phosphoric acid catalyst, and method for producing trioxane
- Patent number 9,409,159
- Issue date Aug 9, 2016
- Clariant Catalysts (Japan) K.K.
- Hiroaki Nakao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Unstable terminal group decomposer, and stabilized polyacetal resin...
- Patent number 7,928,184
- Issue date Apr 19, 2011
- Polyplastics Co., Ltd.
- Hatsuhiko Harashina
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyacetal (co)polymers
- Patent number 7,030,207
- Issue date Apr 18, 2006
- Polyplastics Co., Ltd.
- Yoshihisa Tajima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING POLYACETAL COPOLYMER
- Publication number 20170114176
- Publication date Apr 27, 2017
- Polyplastics Co., Ltd.
- Hiroaki NAKAO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SOLID PHOSPHORIC ACID CATALYST, AND METHOD FOR PRODUCING TRIOXANE
- Publication number 20160089661
- Publication date Mar 31, 2016
- Clariant Catalysts (Japan) K.K.
- Hiroaki NAKAO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for manufacturing stabilized polyacetal resin, stabilized po...
- Publication number 20080271381
- Publication date Nov 6, 2008
- Polyplastics Co., Ltd.
- Hatsuhiko Harashina
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Unstable Terminal Group Decomposer, and Stabilized Polyacetal Resin...
- Publication number 20080200639
- Publication date Aug 21, 2008
- Hatsuhiko Harashina
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Novel polyacetal (co)polymers
- Publication number 20040138407
- Publication date Jul 15, 2004
- Yoshihisa Tajima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...