C09K 2211/1033
With oxygen
Official title: with oxygen
C09K2211/1033 (With oxygen) appears on 790 US grants and 1,172 published applications in this corpus.
Search patents in C09K- Granted patents
- 790
- Published applications
- 1,172
- Assignees
- 248
- Inventors
- 1,842
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 6 | 5 |
| 2003 | 6 | 17 |
| 2004 | 10 | 33 |
| 2005 | 13 | 33 |
| 2006 | 10 | 44 |
| 2007 | 22 | 44 |
| 2008 | 12 | 41 |
| 2009 | 23 | 48 |
| 2010 | 33 | 52 |
| 2011 | 36 | 44 |
| 2012 | 34 | 36 |
| 2013 | 30 | 34 |
| 2014 | 43 | 55 |
| 2015 | 33 | 58 |
| 2016 | 43 | 86 |
| 2017 | 55 | 82 |
| 2018 | 56 | 71 |
| 2019 | 50 | 45 |
| 2020 | 55 | 51 |
| 2021 | 44 | 37 |
| 2022 | 32 | 47 |
| 2023 | 40 | 64 |
| 2024 | 35 | 73 |
| 2025 | 32 | 34 |
| 2026 | 31 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aromatic amine derivative, and organic electroluminescent element using same6 Oct 2026US 12,753,145 B2Idemitsu Kosan Co., Ltd.
- Organic electroluminescent materials and devices6 Oct 2026US 12,757,626 B2Universal Display Corporation
- Organic electroluminescent materials and devices15 Sep 2026US 12,740,310 B2Universal Display Corporation
- Light-emitting device and electronic apparatus including the same15 Sep 2026US 12,740,314 B2Samsung Display Co., Ltd.
- Organic electroluminescent materials and devices25 Aug 2026US 12,715,874 B2Universal Display Corporation
- Indenonaphthopyrans Having Perfluoroalkyl Substituted Aryl / Heteroaryl Sulfide at Position-1124 Sep 2026US 2026/0286217 A1Transitions Optical, Inc.
- Organic electroluminescent materials and devices24 Sep 2026US 2026/0293513 A1UDC Ireland Limited
- Organic electroluminescent materials and devices17 Sep 2026US 2026/0282733 A1Universal Display Corporation
- Organic electroluminescent materials and devices13 Aug 2026US 2026/0239870 A1Universal Display Corporation
- Organic electroluminescent materials and devices6 Aug 2026US 2026/0226051 A1Universal Display Corporation
Most cited
By later US patents
- OLEDs doped with phosphorescent compounds1,989US 6,303,238 B1The Trustees of Princeton University · 2001
- Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such solid films and devices701US 5,910,854 ADonnelly Corporation · 1999
- Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such films and devices331US 6,245,262 B1Donnelly Corporation · 2001
- Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such solid films and devices299US 6,420,036 B1Donnelly Corporation · 2002
- Organometallic complexes as phosphorescent emitters in organic LEDs235US 6,830,828 B2The Trustees of Princeton University · 2004