Takakazu Hirakawa

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Patents Grantslast 30 patents

Information Patent Grant
Polybutylene terephthalate resin composition
- Patent number 8,921,465
- Issue date Dec 30, 2014
- Wintech Polymer Ltd.
- Takakazu Hirakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
POLYBUTYLENE TEREPHTHALATE RESIN COMPOSITION
- Publication number 20130203905
- Publication date Aug 8, 2013
- WinTech Polymer Ltd.
- Takakazu Hirakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FLAME-RETARDANT RESIN COMPOSITION FORMING LASER-TRANSMITTABLE MEMBER
- Publication number 20100233474
- Publication date Sep 16, 2010
- WinTech Polymer Ltd.
- Jun Haruhara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Flame retardant polybutylene terephthalate resin composition
- Publication number 20090124733
- Publication date May 14, 2009
- WinTech Polymer Ltd.
- Jun Haruhara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...