Inventor · disambiguated record

Masahisa Oka

Also filed as: OKA MASAHISA · OKUMURA JUN

26 granted patents·221 citations·filing 19771998

96Inventor score
Technology areasC07DC12RA61PA61KC07K
Files withBRISTOL MYERS CO18BRISTOL MYERS SQUIBB CO5TAKEDA CHEMICAL INDUSTRIES LTD2WACO PURE CHEMICAL IND1

Top patents by PatentIndex Score

26 records

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