Inventor
Robert W. Walters
Inventor
Export, PA, US
Overview
Patents· 51 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere18%
H10KOrganic electric solid-state devices13%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium12%
H05BElectric heating10%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
G02BOptical elements, systems or apparatus5%
H01LSemiconductor devices5%
C07DHeterocyclic compounds4%
PatentTitleYear
10,978,649Organic electroluminescent materials and devices202110,749,121Organic electroluminescent materials and devices202010,501,477Photochromic thienochromene compounds201910,403,831Organic electroluminescent materials and devices201910,381,579Stability OLED materials and devices201910,158,090Organic electroluminescent materials and devices20189,893,306'Organic electroluminescent materials and devices'20189,722,193'Organic electroluminescent materials and devices'20179,548,462'Organic electroluminescent materials and devices'20179,281,483'Organic electroluminescent materials and devices'20169,128,343'Method of making an optical element having an electrochromic apodized aperture'20159,065,063'Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof'20159,051,344'Stability OLED materials and devices'20159,028,728'Photochromic materials that include indeno-fused naphthopyrans'20158,889,864'Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof'20148,766,529'Metal complexes of cyclometallated imidazo[1,2-ƒ]phenanthridine and diimidazo[1,2-a:1\',2\'-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof'20148,734,033'Optical mechanism with indexing stage with at least one fixed diameter apodized aperture and method of making same'20148,691,988'Metal complexes of cyclometallated imidazo (1,2-f) phenanthridine (1,2-a:1′, 2′-c),quinazoline ligands and isoelectronic and benzannulated analogs thereof'20148,647,538'Photochromic compounds having at least two photochromic moieties'20148,608,988'Curable photochromic compositions and optical articles prepared therefrom'20138,383,249'Complexes with tridentate ligands'20138,373,919'Optical element having an apodized aperture'20138,142,909'Blue phosphorescent imidazophenanthridine materials'20128,067,100'Complexes with tridentate ligands'20117,915,415'Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof'20117,902,374'Stability OLED materials and devices'20117,795,430'Reversibly reducible metal complexes as electron transporting materials for OLEDs'20107,655,323'OLEDs utilizing macrocyclic ligand systems'20107,582,365'Reversibly reducible metal complexes as electron transporting materials for OLEDs'20097,560,056'Photochromic contact lenses and methods of manufacturing'20097,557,208'Naphthols useful for preparing indeno-fused photochromic naphthopyrans'20097,534,505'Organometallic compounds for use in electroluminescent devices'20097,517,982'Naphthols useful for preparing indeno-fused photochromic naphthopyrans'20097,445,855'Cationic metal-carbene complexes'20087,429,426'Organometallic compounds for use in electroluminescent devices'20087,368,072'Photochromic contact lenses and methods of manufacturing'20087,332,232'OLEDs utilizing multidentate ligand systems'20087,279,704'Complexes with tridentate ligands'20077,262,295'Indeno-fused photochromic naphthopyrans, naphthols and photochromic articles'20077,166,357'Photochromic articles that activate behind ultraviolet radiation blocking transparencies and methods for preparation'20077,011,897'Organic light emitting materials and devices'20066,916,554'Organic light emitting materials and devices'20056,858,327'Organic light emitting materials and devices'20056,602,603'Poly(meth)acrylic photochromic coating'20036,555,028'Polymeric matrix compatibilized naphthopyrans'20036,436,525'Polyanhydride photochromic coating composition and photochromic articles'20026,268,055'Photochromic epoxy resin coating composition and articles having such a coating'20016,187,444'Photochromic polyurethane coating and articles having such a coating'20016,150,430'Process for adhering a photochromic coating to a polymeric substrate'20006,025,026'Process for producing an adherent polymeric layer on polymeric substrates and articles produced thereby'20004,211,153'Carton erecting apparatus'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Based in Caldwell, NJ, US· patent location history
2000–2019Patents assigned to TRANSITIONS OPTICAL INC (11)· patent assignee history
2000–2002Based in Pittsburgh, PA, US· patent location history
2001–2015Patents assigned to PPG IND OHIO INC (8)· patent assignee history
2003–2021Based in Export, PA, US· patent location history
2005–2021Patents assigned to UNIVERSAL DISPLAY CORP (30)· patent assignee history
2007–2009Based in Westmoreland County, PA, US· patent location history
2008–2010Patents assigned to UNIV SOUTHERN CALIFORNIA (6)· patent assignee history
2011–2015Patents assigned to WALTERS ROBERT W (10)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIVERSAL DISPLAY CORP | 30 | 2005–2021 |
| TRANSITIONS OPTICAL INC | 11 | 2000–2019 |
| WALTERS ROBERT Wself | 10 | 2011–2015 |
| PPG IND OHIO INC | 8 | 2001–2015 |
| UNIV SOUTHERN CALIFORNIA | 6 | 2008–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Export, Pennsylvania, US | 42 | 2003–2021 |
| Pittsburgh, Pennsylvania, US | 5 | 2000–2002 |
| Westmoreland County, Pennsylvania, US | 3 | 2007–2009 |
| Caldwell, New Jersey, US | 1 | 1980 |