Inventor · disambiguated record
Takumi Ishiwaka
Also filed as: ISHIWAKA TAKUMI
9 granted patents·183 citations·filing 1978–1990
89Inventor score
Top patents by PatentIndex Score
9 records- 0192US4647596AMicrocellular polyurethane elastomer and manufacturing method of the sameBRIDGESTONE CORP·Filed 1986·Granted Mar 3, 1987·54 cites·11 claims
- 0292US4221875AFlame resistant polyurethane foam and the method for manufacturing the sameBRIDGESTONE TIRE CO LTD·Filed 1978·Granted Sep 9, 1980·51 cites·8 claims
- 0373US5093378AProcess for producing flexible polyurethane foamBRIDGESTONE CORP·Filed 1989·Granted Mar 3, 1992·19 cites·14 claims
- 0466US4707408ARoll for use in business machineBRIDGESTONE CORP·Filed 1986·Granted Nov 17, 1987·23 cites·4 claims
- 0563US5137931AFoamable phenolic resin composition and process for preparation thereofASAHI ORGANIC CHEM IND·Filed 1990·Granted Aug 11, 1992·21 cites·12 claims
- 0642US4887923APlaten rollBRIDGESTONE CORP·Filed 1987·Granted Dec 19, 1989·6 cites·1 claims
- 0734US4234695AMethod of producing polyurea foamsBRIDGESTONE TIRE CO LTD·Filed 1979·Granted Nov 18, 1980·2 cites·10 claims
- 0829US5008297AMethod for producing phenol resin foams and method of making foamed laminatesBRIDGESTONE CORP·Filed 1989·Granted Apr 16, 1991·7 cites·7 claims
- 0927US4258139AProcess for producing flame-resistant foam resinsBRIDGESTONE TIRE CO LTD·Filed 1979·Granted Mar 24, 1981·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →