Inventor · disambiguated record
Ralph R. Roberts
Also filed as: ROBERTS RALPH R
22 granted patents·19 pending applications·1,291 citations·filing 1980–2024
97Inventor score
Files with3M INNOVATIVE PROPERTIES CO313M INNOVATIVE PROPERTIES COMPANY4ROBERTS RALPH R2COLEY PHARM GROUP INC1SAMSUNG DISPLAY CO LTD1
Top patents by PatentIndex Score
41 records- 0199US7166010B2Buffer layers for organic electroluminescent devices and methods of manufacture and use3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Jan 23, 2007·107 cites·14 claims
- 0299US6683088B2Sulfonamido ether substituted imidazoquinolines3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Jan 27, 2004·363 cites·26 claims
- 0399US6677347B2Sulfonamido ether substituted imidazoquinolines3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Jan 13, 2004·366 cites·26 claims
- 0498US7132429B2Sulfonamido ether substituted imidazoquinolines3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Nov 7, 2006·66 cites·2 claims
- 0594US7442760B2Electroactive polymers3M INNOVATIVE PROPERTIES CO·Filed 2006·Granted Oct 28, 2008·21 cites·20 claims
- 0694US6005137AHalogenated acrylates and polymers derived therefrom3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted Dec 21, 1999·85 cites·18 claims
- 0793US6664111B2Fluorescence based oxygen sensor systems3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Dec 16, 2003·61 cites·21 claims
- 0892US7442421B2Electroluminescent materials and methods of manufacture and use3M INNOVATIVE PROPERTIES CO·Filed 2007·Granted Oct 28, 2008·15 cites·2 claims
- 0989US7648645B2Pre-polymer formulations for liquid crystal displays3M INNOVATIVE PROPERTIES CO·Filed 2006·Granted Jan 19, 2010·15 cites·23 claims
- 1087US7241512B2Electroluminescent materials and methods of manufacture and use3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Jul 10, 2007·42 cites·13 claims
- 1187US7094902B2Electroactive polymers3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Aug 22, 2006·25 cites·6 claims
- 1284US8562145B2Display system and method for projection onto non-planar surfacesROBERTS RALPH R·Filed 2011·Granted Oct 22, 2013·7 cites·15 claims
- 1380US6362379B2Method of making chlorofluoroethers3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Mar 26, 2002·7 cites·2 claims
- 1479US6313245B1Halogenated acrylates and polymers derived therefrom3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Nov 6, 2001·15 cites·4 claims
- 1578US7445825B2Donor sheet having a polymerizable, amorphous matrix with electrically active material disposed therein3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Nov 4, 2008·16 cites·7 claims
- 1674US7282275B2Materials for organic electronic devices3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Oct 16, 2007·20 cites·31 claims
- 1771US7192657B2Ethynyl containing electron transport dyes and compositions3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Mar 20, 2007·4 cites·42 claims
- 1869US8179587B2Electrochromic deviceWEBER BRIAN T·Filed 2008·Granted May 15, 2012·4 cites·12 claims
- 1969US4297683AVandal alarm system for parking metersROBERTS RALPH R·Filed 1980·Granted Oct 27, 1981·33 cites·8 claims
- 2069US2025059328A1Curable Precursor of an Adhesive Composition3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Application pending·0 cites
- 2168US7271406B2Electron transport agents for organic electronic devices3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Sep 18, 2007·13 cites·47 claims
- 2268US2025001734A1Polyimide adhesive composition comprising maleimide moieties and amine compound, articles and methods3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Application pending·0 cites
- 2367US2025179339A1High temperature stable curable bonding compositions3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 2464US2008306252A1Sulfonamido ether substituted imidazoquinolinesCOLEY PHARM GROUP INC·Filed 2008·Application pending·0 cites
- 2559US7929106B2Liquid crystal display comprising a void region and method of manufacturing same3M INNOVATIVE PROPERTIES CO·Filed 2007·Granted Apr 19, 2011·1 cites·12 claims
- 2659US2005148620A1Sulfonamido ether substituted imidazoquinolines3M INNOVATIVE PROPERTIES CO·Filed 2005·Application pending·0 cites
- 2758US2013164875A1Buffer layers for organic electroluminescent devices and methods of manufacture and useSAMSUNG DISPLAY CO LTD·Filed 2013·Application pending·0 cites
- 2857US2008026135A1Electron transport agents for organic electronic devices3M INNOVATIVE PROPERTIES CO·Filed 2007·Application pending·0 cites
- 2957US2004097542A1Sulfonamido ether substituted imidazoquinolines3M INNOVATIVE PROPERTIES CO·Filed 2003·Application pending·0 cites
- 3055US2007079927A1Buffer layers for organic electroluminescent devices and methods of manufacture and use3M INNOVATIVE PROPERTIES CO·Filed 2006·Application pending·0 cites
- 3151US2007107835A1Ethynyl containing electron transport dyes and compositions3M INNOVATIVE PROPERTIES CO·Filed 2006·Application pending·0 cites
- 3248US2023279271A1Thermoset adhesive composition, composite article, and method of making the same3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 3345US6288266B1Halogenated acrylates and polymers derived therefrom3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Sep 11, 2001·5 cites·11 claims
- 3445US2014218695A1Orthogonally disposed projection surfaces3M INNOVATIVE PROPERTIES CO·Filed 2013·Application pending·0 cites
- 3545US2014210322A1Point of purchase system having transparent displays3M INNOVATIVE PROPERTIES CO·Filed 2013·Application pending·0 cites
- 3644US2004004433A1Buffer layers for organic electroluminescent devices and methods of manufacture and use3M INNOVATIVE PROPERTIES CO·Filed 2002·Application pending·0 cites
- 3743US2014132909A1Switchable transparent display3M INNOVATIVE PROPERTIES CO·Filed 2012·Application pending·0 cites
- 3843US2006008577A1Method and materials for patterning of a polymerizable, amorphous matrix with electrically active material disposed therein3M INNOVATIVE PROPERTIES CO·Filed 2005·Application pending·0 cites
- 3942US2013033650A1Display system and method for projection onto multiple surfaces3M INNOVATIVE PROPERTIES CO·Filed 2011·Application pending·0 cites
- 4042US2014132883A1Optical stack including light extraction layer and polymer dispersed liquid crystal layer3M INNOVATIVE PROPERTIES CO·Filed 2012·Application pending·0 cites
- 4138US2004062947A1Organic electroluminescent compositionsFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Ralph R. Roberts files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →