Hirofumi Yamada

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Otsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing polyimide film
- Patent number 6,264,866
- Issue date Jul 24, 2001
- Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
- Hirofumi Yamada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL