Hirosi Yazawa

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Kunitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for stretching film or fibrous web
- Patent number 4,525,317
- Issue date Jun 25, 1985
- Nippon Petrochemicals, Co., Ltd.
- Tokio Okada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for slitting thermoplastic films
- Patent number 4,489,630
- Issue date Dec 25, 1984
- Nippon Petrochemicals Co Ltd.
- Tokio Okada
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Method and apparatus for stretching thermoplastic polymer films
- Patent number 4,434,128
- Issue date Feb 28, 1984
- Nippon Petrochemicals Co., Ltd.
- Tokio Okada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL