Yoshikazu Hatakeyama

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Niigata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a molded foam article with an integral skin
- Patent number 5,665,285
- Issue date Sep 9, 1997
- Mitsubishi Yuka Badische Co., Ltd.
- Kazuhide Hattori
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing expanded plastics with skin
- Patent number 5,366,674
- Issue date Nov 22, 1994
- Aronkasei Co., Ltd.
- Kazuhide Hattori
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL