Kunihiko Arakawa

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Inuyama, JA

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Patents Grantslast 30 patents

Information Patent Grant
Film of good tear property on impact
- Patent number 4,045,515
- Issue date Aug 30, 1977
- Toyo Boseki Kabushiki Kaisha
- Tsutomu Isaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Film having good tear property on impact comprising polypropylene a...
- Patent number 3,952,073
- Issue date Apr 20, 1976
- Toyo Boseki Kabushiki Kaisha
- Tsutomu Isaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL