Inventor · disambiguated record

Katsuhiko Shimakawa

Also filed as: SHIMAKAWA KATSUHIKO

2 granted patents·52 citations·filing 1984–1984

64Inventor score

Technology areasC09K C10L

Files withNIKKA CHEMICAL IND CO LTD1 NIKKA CHEMICAL INDUSTRY CO1

Top patents by PatentIndex Score

2 records

0174US4539012APitch-containing compositionNIKKA CHEMICAL IND CO LTD·Filed 1984·Granted Sep 3, 1985·38 cites·21 claims
0260US4565546ACondensation product and use thereof as dispersant for pitch in water slurryNIKKA CHEMICAL INDUSTRY CO·Filed 1984·Granted Jan 21, 1986·14 cites·20 claims

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