Inventor · disambiguated record
Akira Kotone
Also filed as: KOTONE AKIRA · WATANABE KOICHI
3 granted patents·21 citations·filing 1974–1978
65Inventor score
Technology areasC09B
Top patents by PatentIndex Score
3 records- 0188US4218432AColoring agent and a composition including the same for coloring toilet bowl flushing waterYAMAMOTO KAGAKU GOSEI KK·Filed 1978·Granted Aug 19, 1980·17 cites·19 claims
- 0240US3951941ATrisazo compounds containing a diphenyl-tetrazinyl componentSAKAI CHEMICAL INDUSTRY CO·Filed 1974·Granted Apr 20, 1976·2 cites·3 claims
- 0337US3965087ATrisazo dye containing a diphenylenesulfone structureSAKAI CHEMICAL INDUSTRY CO·Filed 1974·Granted Jun 22, 1976·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →