C09K 2211/1003
Carbocyclic compounds
C09K2211/1003 (Carbocyclic compounds) appears on 4,490 US grants and 6,736 published applications in this corpus.
Search patents in C09K- Granted patents
- 4,490
- Published applications
- 6,736
- Assignees
- 948
- Inventors
- 6,559
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 4 |
| 2002 | 6 | 34 |
| 2003 | 25 | 82 |
| 2004 | 61 | 155 |
| 2005 | 51 | 198 |
| 2006 | 72 | 210 |
| 2007 | 92 | 273 |
| 2008 | 81 | 223 |
| 2009 | 106 | 266 |
| 2010 | 160 | 266 |
| 2011 | 208 | 297 |
| 2012 | 180 | 276 |
| 2013 | 212 | 287 |
| 2014 | 226 | 309 |
| 2015 | 282 | 353 |
| 2016 | 260 | 481 |
| 2017 | 311 | 520 |
| 2018 | 378 | 340 |
| 2019 | 366 | 237 |
| 2020 | 289 | 261 |
| 2021 | 207 | 328 |
| 2022 | 184 | 248 |
| 2023 | 200 | 286 |
| 2024 | 207 | 281 |
| 2025 | 187 | 301 |
| 2026 | 128 | 220 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aromatic amine derivative, and organic electroluminescent element using same6 Oct 2026US 12,753,145 B2Idemitsu Kosan Co., Ltd.
- Organic electroluminescent element22 Sep 2026US 12,741,961 B2Nippon Steel Chemical & Material Co., Ltd.
- Organic electroluminescent materials and devices22 Sep 2026US 12,742,114 B2Universal Display Corporation
- Electrochromic composition, anti-peep film, and display device22 Sep 2026US 12,742,989 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Display element22 Sep 2026US 12,745,555 B2Sharp Kabushiki Kaisha
- Organic electroluminescent materials and devices8 Oct 2026US 2026/0308446 A1Universal Display Corporation
- Organic electroluminescent materials and devices8 Oct 2026US 2026/0314250 A1Universal Display Corporation
- Organic electroluminescent materials and devices8 Oct 2026US 2026/0314251 A1Universal Display Corporation
- Composition, light-emitting device, electronic device including the light-emitting device, electronic apparatus including the light-emitting device, and organometallic compound8 Oct 2026US 2026/0314252 A1Samsung Display Co., Ltd.
- Light emitting element, fused polycyclic compound for the same, and electronic apparatus including the same8 Oct 2026US 2026/0314254 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- OLEDs doped with phosphorescent compounds1,989US 6,303,238 B1The Trustees of Princeton University · 2001
- Phosphorescent compounds and devices comprising the same1,017US 6,835,469 B2Universal Display Corporation · 2004
- Luminescent compounds with carbene ligands938US 7,393,599 B2University of Southern California · 2008
- Organic light emitting devices having reduced pixel shrinkage909US 7,087,321 B2Universal Display Corporation · 2006
- 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