Inventor

HASHI MASAAKI

JP2 patents

Patents

2 patents

US4451422AMay 29, 1984

Method for producing polyethylene terephthalate packing material

SEKISUI JUSHI KK15 citations65

US5542239AAug 6, 1996

Method for welding a packing band of thermoplastic resin and a welded band resulting therefrom

SEKISUI JUSHI KK5 citations57