Inventor · disambiguated record
Hirotaka Umezaki
Also filed as: UMEZAKI HIROTAKA
3 granted patents·5 citations·filing 2010–2016
56Inventor score
Top patents by PatentIndex Score
3 records- 0168US8987726B2Organic electroluminescent elementKANEKA CORP·Filed 2014·Granted Mar 24, 2015·2 cites·4 claims
- 0265US8664647B2Organic electroluminescent elementNAGAI NAOMI·Filed 2010·Granted Mar 4, 2014·3 cites·7 claims
- 0336US10026918B2White light emitting organic EL panel and method for producing sameKANEKA CORP·Filed 2016·Granted Jul 17, 2018·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →