Inventor · disambiguated record
David Zenan Li
Also filed as: LI DAVID Z · LI DAVID ZENAN
23 granted patents·6 pending applications·415 citations·filing 2002–2024
95Inventor score
Top patents by PatentIndex Score
29 records- 0198US8409729B2Host materials for phosphorescent OLEDsZENG LICHANG·Filed 2011·Granted Apr 2, 2013·103 cites·18 claims
- 0297US8871361B2Tetradentate platinum complexesXIA CHUANJUN·Filed 2012·Granted Oct 28, 2014·210 cites·12 claims
- 0393US10008677B2Materials for organic light emitting diodeUNIVERSAL DISPLAY CORP·Filed 2013·Granted Jun 26, 2018·7 cites·23 claims
- 0492US10680189B2Materials for organic light emitting diodesUNIVERSAL DISPLAY CORP·Filed 2018·Granted Jun 9, 2020·3 cites·21 claims
- 0592US10199581B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2013·Granted Feb 5, 2019·8 cites·22 claims
- 0692US9590194B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2014·Granted Mar 7, 2017·9 cites·22 claims
- 0791US10381580B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2018·Granted Aug 13, 2019·4 cites·19 claims
- 0889US9502656B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2014·Granted Nov 22, 2016·8 cites·21 claims
- 0987US10991896B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2018·Granted Apr 27, 2021·2 cites·1729 claims
- 1087US2025133952A1Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2024·Application pending·0 cites
- 1185US9755159B2Organic materials for OLEDsUNIVERSAL DISPLAY CORP·Filed 2014·Granted Sep 5, 2017·5 cites·19 claims
- 1284US7074817B2Substituted indole acid derivatives as inhibitors of plasminogen activator inhibitor-1 (PAI-1)WYETH CORP·Filed 2002·Granted Jul 11, 2006·17 cites·22 claims
- 1381US11374180B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2020·Granted Jun 28, 2022·1 cites·20 claims
- 1481US7101903B2Substituted dihydropyrano indole-3,4-dione derivatives as inhibitiors of plasminogen activator inhibitor-1 (PAI-1)WYETH CORP·Filed 2003·Granted Sep 5, 2006·13 cites·19 claims
- 1580US11997918B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2022·Granted May 28, 2024·0 cites·20 claims
- 1680US7056943B2Substituted indole oxo-acetyl amino acetic acid derivatives as inhibitors of plasminogen activator inhibitor-1 (PAI-1)WYETH CORP·Filed 2003·Granted Jun 6, 2006·12 cites·9 claims
- 1779US7411064B21-Heterocyclylalkyl-3-sulfonylazaindole or -azaindazole derivatives as 5-hydroxytryptamine-6 ligandsWYETH CORP·Filed 2006·Granted Aug 12, 2008·3 cites·15 claims
- 1879US7368471B2Substituted indole acid derivatives as inhibitors of plasminogen activator inhibitor-1 (PAI-1)WYETH CORP·Filed 2006·Granted May 6, 2008·3 cites·22 claims
- 1974US12262630B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2021·Granted Mar 25, 2025·0 cites·983 claims
- 2071US7057039B21-heterocyclylalkyl-3-sulfonylazaindole or -azaindazole derivatives as 5-hydroxytryptamine-6 ligandsWYETH CORP·Filed 2003·Granted Jun 6, 2006·4 cites·15 claims
- 2170US7459478B2Substituted dihydropyrano indole-3,4-dione derivatives as inhibitors of plasminogen activator inhibitor-1 (PAI-1)WYETH CORP·Filed 2006·Granted Dec 2, 2008·1 cites·18 claims
- 2266US7160918B2Substituted indole oxo-acetyl amino acetic acid derivatives as inhibitors of plasminogen activator inhibitor (PAI-1)ELOKDAH HASSAN MAHMOUD·Filed 2006·Granted Jan 9, 2007·1 cites·16 claims
- 2361US2008306106A11-heterocyclylalkyl-3-sulfonylazaindole or -azaindazole derivatives as 5-hydroxytryptamine-6 ligandsWYETH CORP·Filed 2008·Application pending·0 cites
- 2460US2008214647A1Substituted indole acid derivatives as inhibitors of plasminogen activator inhibitor-1 (pai-1)WYETH CORP·Filed 2008·Application pending·0 cites
- 2556US9947880B2Organic electroluminescent materials and devicesUNIVERSAL DISPLAY CORP·Filed 2014·Granted Apr 17, 2018·1 cites·20 claims
- 2648US2009181932A1COMPOSITIONS CONTAINING O-SULFATE AND O-PHOSPHATE CONTAINING ARYL SULFONAMIDE DERIVATIVES USEFUL AS beta-AMYLOID INHIBITORSWYETH CORP·Filed 2009·Application pending·0 cites
- 2745US2008188542A1Novel indole polymorphsWYETH CORP·Filed 2008·Application pending·0 cites
- 2839US9735373B2Organic electroluminescent materials and devicesDYATKIN ALEXEY·Filed 2013·Granted Aug 15, 2017·0 cites·25 claims
- 2938US2010273772A1Bisaryl Alkynylamides as Negative Allosteric Modulators of Metabotropic Glutamate Receptor 5 (MGLUR5)WYETH LLC·Filed 2010·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →