P

Inventor

YAZAWA HIROSI

JP4 patents
⚠️ This page may combine multiple inventors who share the name “YAZAWA HIROSI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON PETROCHEMICALS CO LTD

3 patents
US4525317AJun 25, 1985

Method and apparatus for stretching film or fibrous web

NIPPON PETROCHEMICALS CO LTD64 citations94
US4434128AFeb 28, 1984

Method and apparatus for stretching thermoplastic polymer films

NIPPON PETROCHEMICALS CO LTD48 citations91
US4489630ADec 25, 1984

Method and apparatus for slitting thermoplastic films

NIPPON PETROCHEMICALS CO LTD25 citations81

POLYMER PROCESSING RES INST

1 patent
US3950467AApr 13, 1976

Method for shaping tubular films in downward and wet manner

POLYMER PROCESSING RES INST9 citations71