Ning-He Wang

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water injection foaming devolatilizing method and apparatus
- Patent number 6,007,749
- Issue date Dec 28, 1999
- The Japan Steel Works, Ltd.
- Ning-He Wang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Water-injection foaming devolatilizing method
- Patent number 5,630,968
- Issue date May 20, 1997
- The Japan Steel Works, Ltd.
- Ning-He Wang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL