Inventor

OSAKI DAISUKE

JP2 patents

Patents

2 patents

US6720067B2Apr 13, 2004

Polypropylene base porous film and production process for the same

TOKUYAMA CORP20 citations89

US6472445B1Oct 29, 2002

Polypropylene base porous film and production process for the same

TOKUYAMA CORP11 citations70