Inventor · disambiguated record
Haruhiko Yusa
Also filed as: AKUTSU HUMIO · YUSA HARUHIKO
11 granted patents·124 citations·filing 1974–1989
90Inventor score
Files withKUREHA CHEMICAL IND CO LTD11
Top patents by PatentIndex Score
11 records- 0184US4897462AProcess for producing rubber-based graft copolymersKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Jan 30, 1990·46 cites·5 claims
- 0257US4275178APowdery graft-copolymer compositionKUREHA CHEMICAL IND CO LTD·Filed 1979·Granted Jun 23, 1981·13 cites·8 claims
- 0354US4287312AProcess for producing a graft-copolymer and blends therewithKUREHA CHEMICAL IND CO LTD·Filed 1979·Granted Sep 1, 1981·8 cites·9 claims
- 0453US3959408AVinyl chloride resins blended with two step graft resinsKUREHA CHEMICAL IND CO LTD·Filed 1974·Granted May 25, 1976·13 cites·4 claims
- 0551US4607080AThermoplastic resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Aug 19, 1986·11 cites·2 claims
- 0645US4268636AVinyl chloride resin composition with processing aidKUREHA CHEMICAL IND CO LTD·Filed 1979·Granted May 19, 1981·9 cites·7 claims
- 0740US4337324AVinyl chloride resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1981·Granted Jun 29, 1982·7 cites·7 claims
- 0838US4442262AComposition of polyester-block copolymerKUREHA CHEMICAL IND CO LTD·Filed 1981·Granted Apr 10, 1984·7 cites·12 claims
- 0935US4857592APolyvinyl chloride resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Aug 15, 1989·4 cites·4 claims
- 1035US4206290AFire retardant resinous compositionsKUREHA CHEMICAL IND CO LTD·Filed 1978·Granted Jun 3, 1980·4 cites·14 claims
- 1130US4345043AVinyl chloride resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1980·Granted Aug 17, 1982·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →