Inventor · disambiguated record
Hiroshi Aiga
Also filed as: AIGA HIROSHI
5 granted patents·39 citations·filing 1973–1988
79Inventor score
Files withMITSUI TOATSU CHEMICALS5
Top patents by PatentIndex Score
5 records- 0175US5342974AHalogenated anthraquinone and their use as near infrared rays absorbing optical filtersMITSUI TOATSU CHEMICALS·Filed 1988·Granted Aug 30, 1994·13 cites·12 claims
- 0263US3955919ADyestuff mixtures and process for dyeing polyester fiber therewithMITSUI TOATSU CHEMICALS·Filed 1973·Granted May 11, 1976·10 cites·5 claims
- 0356US4628091AProcess for producing dianthraquinone-N,N'-dihydrazine and its chlorination productMITSUI TOATSU CHEMICALS·Filed 1984·Granted Dec 9, 1986·6 cites·4 claims
- 0444US4734218ADichroic azo dyestuffs and liquid crystal composition containing said dyestuffsMITSUI TOATSU CHEMICALS·Filed 1985·Granted Mar 29, 1988·8 cites·17 claims
- 0534US4883611ADichroic coloring agents for liquid crystal displaysMITSUI TOATSU CHEMICALS·Filed 1988·Granted Nov 28, 1989·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →