Masaaki Hashi

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Neagarimachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for welding a packing band of thermoplastic resin and a weld...
- Patent number 5,542,239
- Issue date Aug 6, 1996
- Sekisui Jushi Kabushiki Kaisha
- Noboru Fujii
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for producing polyethylene terephthalate packing material
- Patent number 4,451,422
- Issue date May 29, 1984
- Sekisui Jushi Kabushiki Kaisha
- Ryosuki Yui
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL