Inventor · disambiguated record
Natsuko Ishida
Also filed as: ISHIDA NATSUKO
4 granted patents·1 pending application·7 citations·filing 2002–2021
62Inventor score
Top patents by PatentIndex Score
5 records- 0152US7419727B2Organic electroluminescent deviceHAYASHIBARA BIOCHEM LAB·Filed 2004·Granted Sep 2, 2008·5 cites·4 claims
- 0244US2021251854A1Oil-in-water type solid cosmetic material and cosmetic productTOKIWA CORP·Filed 2021·Application pending·0 cites
- 0338US7514158B2Coumarin compoundHAYASHIBARA BIOCHEM LAB·Filed 2002·Granted Apr 7, 2009·0 cites·7 claims
- 0435US7252892B2Organic electroluminescence deviceTOYOTA JIDOSHOKKI KK·Filed 2002·Granted Aug 7, 2007·0 cites·7 claims
- 0534US7338720B2Organic electroluminescent elementTOYOTA JIDOSHOKKI KK·Filed 2002·Granted Mar 4, 2008·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →