Keizou Matsumura

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Resin molding method, die device, and resin molded article
- Patent number 8,668,862
- Issue date Mar 11, 2014
- Panasonic Corporation
- Keizou Matsumura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of manufacturing magnesium alloy molded product, painted str...
- Patent number 6,669,900
- Issue date Dec 30, 2003
- Matsushita Electric Industrial Co., Ltd.
- Koji Matsunaga
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
RESIN MOLDING METHOD, DIE DEVICE, AND RESIN MOLDED ARTICLE
- Publication number 20110300330
- Publication date Dec 8, 2011
- PANASONIC CORPORATION
- Keizou Matsumura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method of manufacturing magnesium alloy molded product, painted str...
- Publication number 20020069940
- Publication date Jun 13, 2002
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Koji Matsunaga
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...