Inventor · disambiguated record

Katuhiko Okamoto

Also filed as: OKAMOTO KATUHIKO

2 granted patents·3 citations·filing 1980–1982

46Inventor score

Technology areasC09B

Files withSUMITOMO CHEMICAL CO2

Top patents by PatentIndex Score

2 records

0138US4450114AProcess for production of sulfuric acid semiestersSUMITOMO CHEMICAL CO·Filed 1982·Granted May 22, 1984·2 cites·3 claims
0231US4351765AProcess for the production of compounds having in the molecule at least one β-sulfatoethyl-sulfone group and at least one sulfonic acid groupSUMITOMO CHEMICAL CO·Filed 1980·Granted Sep 28, 1982·1 cites·11 claims

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