Inventor · disambiguated record
Yoshikazu Umemoto
Also filed as: UMEMOTO YOSHIKAZU
3 granted patents·1 pending application·4 citations·filing 2006–2012
55Inventor score
Top patents by PatentIndex Score
4 records- 0172US8114956B2Polymer having unit obtained by condensation of difluorocyclopentanedione ring and aromatic ring, organic thin film using the same, and organic thin film deviceIE YUTAKA·Filed 2008·Granted Feb 14, 2012·2 cites·13 claims
- 0270US7932347B2Polymer comprising unit comprising fluorocyclopentane ring fused with aromatic ring and organic thin film and organic thin film element both comprising the sameSUMITOMO CHEMICAL CO·Filed 2006·Granted Apr 26, 2011·2 cites·19 claims
- 0340US9617468B2Luminescent composition and light-emitting element using said compositionASADA KOHEI·Filed 2011·Granted Apr 11, 2017·0 cites·12 claims
- 0440US2014183414A1Polymer compound and light emitting device using sameUMEMOTO YOSHIKAZU·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →