Teruyuki Iwai

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for manufacturing biaxially oriented film
- Patent number 4,978,484
- Issue date Dec 18, 1990
- Idemitsu Petrochemical Co., Ltd.
- Masao Takashige
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of and apparatus for tubularly drawing thermoplastic resin
- Patent number 4,869,863
- Issue date Sep 26, 1989
- Idemitsu Petrochemical Co., Ltd.
- Teruyuki Iwai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL