Ichiro Kunihiro

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Packaging bag with self-closeable outflow port, and method of manuf...
- Patent number 7,866,886
- Issue date Jan 11, 2011
- Toyo Seikan Kaisha, Ltd.
- Kazuyuki Kurosawa
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Packaging bag with self-closeable outflow port, and method of manuf...
- Publication number 20060072858
- Publication date Apr 6, 2006
- Kazuyuki Kurosawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL