Inventor · disambiguated record
Ryozo Sakata
Also filed as: SAKATA RYOZO · YOSHIDA MASAKO
4 granted patents·97 citations·filing 1977–1979
79Inventor score
Files withBRIDGESTONE TIRE CO LTD4
Top patents by PatentIndex Score
4 records- 0188US4205136AProcess for producing a rigid polyurethane foam having excellent flame retardance and low-smoke developmentBRIDGESTONE TIRE CO LTD·Filed 1979·Granted May 27, 1980·42 cites·15 claims
- 0268US4189541AMethod for producing heat resistant and flame resistant polyisocyanurate foams using little or no organosilicone surfactantBRIDGESTONE TIRE CO LTD·Filed 1978·Granted Feb 19, 1980·15 cites·12 claims
- 0368US4145318AExcellent flame-and smoke-retardant non-shrinkable polyurethane foamBRIDGESTONE TIRE CO LTD·Filed 1977·Granted Mar 20, 1979·21 cites·16 claims
- 0447US4292353AUrethane modified polyisocyanurate foam surfaced with aluminum foil or sheetBRIDGESTONE TIRE CO LTD·Filed 1978·Granted Sep 29, 1981·19 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →