Hirofumi Ishibashi

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Chibe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing styrenic resin granulate and shaped article
- Patent number 6,605,242
- Issue date Aug 12, 2003
- Idemitsu Petrochemical Co., Ltd.
- Hirofumi Ishibashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for producing molding material
- Patent number 6,110,406
- Issue date Aug 29, 2000
- Idemitsu Petrochemical Co., Ltd.
- Hirofumi Ishibashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method of producing styrenic resin granulate and shaped article
- Publication number 20020125602
- Publication date Sep 12, 2002
- Idemitsu Petrochemical Co., Ltd.
- Hirofumi Ishibashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL