Inventor · disambiguated record
Eishi Tanaka
Also filed as: TANAKA EIJI · TANAKA EISHI
6 granted patents·55 citations·filing 1985–2003
81Inventor score
Top patents by PatentIndex Score
6 records- 0178US4931420ATemperature history indicator and its manufacturing methodMITSUI TOATSU CHEMICALS·Filed 1987·Granted Jun 5, 1990·37 cites·17 claims
- 0276US7595184B2Nitrile hydratase variantMITSUI CHEMICALS INC·Filed 2003·Granted Sep 29, 2009·5 cites·12 claims
- 0349US4735744ANovel benzoquinone derivatives and production process thereof as well as use as color-developers suitable for recording materialsMITSUI TOATSU CHEMICALS·Filed 1985·Granted Apr 5, 1988·5 cites·5 claims
- 0443US4963449AP-amino substituted tetraphenylthiophenes and electrophotographic photoreceptors containing themMITSUI TOATSU CHEMICALS·Filed 1988·Granted Oct 16, 1990·4 cites·13 claims
- 0541US5023343AP-amino substituted tetraphenylthiophenes and electrophotographic photoreceptors containing themMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jun 11, 1991·1 cites·7 claims
- 0629US6011119AResin composition for electrophotographic toner, and tonerMITSUI CHEMICALS INC·Filed 1996·Granted Jan 4, 2000·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →