Inventor

TOTSUKA AKIO

JP3 patents

Patents

3 patents

US5267848ADec 7, 1993

Apparatus for manufacturing sheets

NIPPON PETROCHEMICALS CO LTD16 citations68

US5401563AMar 28, 1995

Tier sheets

NIPPON PETROCHEMICALS CO LTD9 citations67

US5250246AOct 5, 1993

Method and apparatus for manufacturing sheets

NIPPON PETROCHEMICALS CO LTD4 citations57