C09K 2211/1059
Containing three nitrogen atoms as heteroatoms
Official title: containing three nitrogen atoms as heteroatoms
C09K2211/1059 (Containing three nitrogen atoms as heteroatoms) appears on 1,077 US grants and 1,579 published applications in this corpus.
Search patents in C09K- Granted patents
- 1,077
- Published applications
- 1,579
- Assignees
- 246
- Inventors
- 1,975
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 3 |
| 2003 | 3 | 10 |
| 2004 | 6 | 25 |
| 2005 | 8 | 34 |
| 2006 | 8 | 49 |
| 2007 | 17 | 49 |
| 2008 | 14 | 31 |
| 2009 | 19 | 55 |
| 2010 | 29 | 53 |
| 2011 | 35 | 64 |
| 2012 | 38 | 77 |
| 2013 | 46 | 82 |
| 2014 | 60 | 89 |
| 2015 | 75 | 113 |
| 2016 | 84 | 141 |
| 2017 | 99 | 131 |
| 2018 | 99 | 100 |
| 2019 | 95 | 67 |
| 2020 | 75 | 70 |
| 2021 | 57 | 67 |
| 2022 | 45 | 53 |
| 2023 | 58 | 83 |
| 2024 | 44 | 61 |
| 2025 | 40 | 41 |
| 2026 | 22 | 31 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Organic electroluminescent materials and devices29 Sep 2026US 12,751,198 B2Universal Display Corporation
- Organometallic compound, light-emitting device including the same, electronic apparatus including the light-emitting device, and electronic device including the light-emitting device8 Sep 2026US 12,733,392 B2Samsung Display Co., Ltd.
- Light-emitting device including organometallic compound, electronic apparatus including the light-emitting device, and the organometallic compound18 Aug 2026US 12,713,828 B2Samsung Display Co., Ltd.
- Organic light-emitting device and electronic apparatus including the same4 Aug 2026US 12,698,439 B2Samsung Display Co., Ltd.
- Light-emitting element and aromatic compound for the same28 Jul 2026US 12,696,681 B2Samsung Display Co., Ltd.
- Organic electroluminescent materials and devices8 Oct 2026US 2026/0314251 A1Universal Display Corporation
- Organic compound and organic electroluminescent device using same17 Sep 2026US 2026/0282646 A1Solus Advanced Materials Co., Ltd.
- Organic electroluminescent materials and devices17 Sep 2026US 2026/0282733 A1Universal Display Corporation
- Light-Emitting Element10 Sep 2026US 2026/0265605 A1Semiconductor Energy Laboratory Co.Ltd.
- Metal complex and organic electroluminescent device3 Sep 2026US 2026/0262438 A1Shenzhen University
Most cited
By later US patents
- Luminescent compounds with carbene ligands938US 7,393,599 B2University of Southern California · 2008
- Aggregate organic light emitting diode devices with improved operational stability206US 7,175,922 B2Eastman Kodak Company · 2007
- Compound for use in organic electroluminescent device and organic electroluminescent device195US 7,993,760 B2Nippon Steel Chemical Co., Ltd. · 2011
- Fluorescence and delayed fluorescence-type organic light-emitting material and element194US 8,993,129 B2Kyushu University, National University Corporation · 2015
- Phosphorescent OLEDs with exciton blocking layer183US 7,597,967 B2Eastman Kodak Company · 2009