Masamitsu Tsukada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Annular article-wrapping member and method of making same
- Patent number 5,419,933
- Issue date May 30, 1995
- Heisei Polymer Co., Ltd.
- Masamitsu Tsukada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Annular article-wrapping member and method of making same
- Patent number 5,203,137
- Issue date Apr 20, 1993
- Heisei Polymer Co., Ltd.
- Masamitsu Tsukada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Annular article-wrapping member and method of making same
- Patent number 5,186,989
- Issue date Feb 16, 1993
- Heisei Polymer Co., Ltd.
- Masamitsu Tsukada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL