Inventor · disambiguated record

Sigeru Yonekawa

Also filed as: YONEKAWA SIGERU

2 granted patents·11 citations·filing 1974–1976

54Inventor score

Technology areasC08F

Files withASAHI CHEMICAL IND1 MINEKAWA SABURO1

Top patents by PatentIndex Score

2 records

0149US4121031AProcess for producing random copolymersMINEKAWA SABURO·Filed 1976·Granted Oct 17, 1978·9 cites·12 claims
0230US3980624AProcess for producing rubbery polymers and copolymers having branched structuresASAHI CHEMICAL IND·Filed 1974·Granted Sep 14, 1976·2 cites·14 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →