Atsuhiko Ohtsuka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat-shrinkable polyester films
- Patent number 6,447,925
- Issue date Sep 10, 2002
- Toyo Boseki Kabushiki Kaisha
- Norimi Tabota
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL