Inventor · disambiguated record
Yuo-Guo Pan
Also filed as: PAN YUO-GUO
3 granted patents·67 citations·filing 1993–1996
74Inventor score
Files withCLAIROL INC2
Top patents by PatentIndex Score
3 records- 0171US5520707AMethods for dyeing hair with anthraquinone hair dyes having a quaternary ammonium side chainCLAIROL INC·Filed 1995·Granted May 28, 1996·30 cites·5 claims
- 0270US5891200AHair dye compositions containing anthraquinone dyes having a quaternary ammonium side chain and neutral direct dyesFiled 1996·Granted Apr 6, 1999·30 cites·4 claims
- 0360US5420362ASynthesis of 2-methyl-1-naphtholCLAIROL INC·Filed 1993·Granted May 30, 1995·7 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →