Inventor · disambiguated record
Takaya Ishiyama
Also filed as: ISHIYAMA TAKAYA
4 granted patents·9 citations·filing 2010–2012
65Inventor score
Top patents by PatentIndex Score
4 records- 0177US9343685B2Organic electroluminescent elementKAI TAKAHIRO·Filed 2011·Granted May 17, 2016·4 cites·6 claims
- 0277US8945726B2Polymer for organic electroluminescent element, and organic electroluminescent element using the sameTANAKA HIROSHIGE·Filed 2011·Granted Feb 3, 2015·4 cites·8 claims
- 0362US9543526B2Nitrogen-containing aromatic compounds and organic electroluminescent deviceISHIYAMA TAKAYA·Filed 2012·Granted Jan 10, 2017·1 cites·8 claims
- 0438US9290692B2Polymer light-emitting material, method for producing the same, and organic electroluminescent deviceTANAKA HIROSHIGE·Filed 2010·Granted Mar 22, 2016·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →