Inventor

TAKAI YASUO

JP2 patents

Patents

2 patents

US4978484ADec 18, 1990

Method of and apparatus for manufacturing biaxially oriented film

IDEMITSU PETROCHEMICAL CO26 citations87

US4869863ASep 26, 1989

Method of and apparatus for tubularly drawing thermoplastic resin

IDEMITSU PETROCHEMICAL CO8 citations69