Inventor · disambiguated record
Leland Hirsch
Also filed as: HIRSCH LELAND
4 granted patents·1 pending application·163 citations·filing 1995–2019
77Inventor score
Top patents by PatentIndex Score
5 records- 0186US5643341ASystem and method for on-site formulation of personalized color-maintaining shampoo products for individual usersARTEC SYSTEMS GROUP INC·Filed 1996·Granted Jul 1, 1997·92 cites·8 claims
- 0285US10245221B2Stabilized color depositing shampooCeleb LLC·Filed 2018·Granted Apr 2, 2019·3 cites·22 claims
- 0373US5507063ADiffuse edge hair coloring brushFiled 1995·Granted Apr 16, 1996·68 cites·6 claims
- 0454US9889080B2Color depositing shampooCeleb LLC·Filed 2016·Granted Feb 13, 2018·0 cites·28 claims
- 0553US2019224094A1Color depositing shampooCeleb LLC·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →