Inventor · disambiguated record
Hirosi Yazawa
Also filed as: YAZAWA HIROSI
4 granted patents·146 citations·filing 1974–1983
80Inventor score
Top patents by PatentIndex Score
4 records- 0188US4525317AMethod and apparatus for stretching film or fibrous webNIPPON PETROCHEMICALS CO LTD·Filed 1983·Granted Jun 25, 1985·64 cites·14 claims
- 0284US4434128AMethod and apparatus for stretching thermoplastic polymer filmsNIPPON PETROCHEMICALS CO LTD·Filed 1982·Granted Feb 28, 1984·48 cites·5 claims
- 0372US4489630AMethod and apparatus for slitting thermoplastic filmsNIPPON PETROCHEMICALS CO LTD·Filed 1982·Granted Dec 25, 1984·25 cites·27 claims
- 0441US3950467AMethod for shaping tubular films in downward and wet mannerPOLYMER PROCESSING RES INST·Filed 1974·Granted Apr 13, 1976·9 cites·2 claims
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