C09K 2211/185
Of the platinum group, i.e. os, ir, pt, ru, rh or pd
Official title: of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd
C09K2211/185 (Of the platinum group, i.e. os, ir, pt, ru, rh or pd) appears on 2,608 US grants and 4,143 published applications in this corpus.
Search patents in C09K- Granted patents
- 2,608
- Published applications
- 4,143
- Assignees
- 404
- Inventors
- 3,109
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 3 |
| 2002 | 5 | 16 |
| 2003 | 6 | 29 |
| 2004 | 19 | 58 |
| 2005 | 25 | 108 |
| 2006 | 36 | 112 |
| 2007 | 41 | 126 |
| 2008 | 39 | 89 |
| 2009 | 58 | 135 |
| 2010 | 94 | 127 |
| 2011 | 92 | 137 |
| 2012 | 81 | 125 |
| 2013 | 89 | 130 |
| 2014 | 111 | 139 |
| 2015 | 141 | 201 |
| 2016 | 138 | 263 |
| 2017 | 159 | 323 |
| 2018 | 214 | 236 |
| 2019 | 206 | 189 |
| 2020 | 188 | 196 |
| 2021 | 144 | 202 |
| 2022 | 112 | 194 |
| 2023 | 168 | 279 |
| 2024 | 163 | 326 |
| 2025 | 155 | 224 |
| 2026 | 119 | 176 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Organic electroluminescent materials and devices6 Oct 2026US 12,757,626 B2Universal Display Corporation
- Light-emitting device including organometallic compound, electronic device including the light-emitting device, and the organometallic compound6 Oct 2026US 12,757,627 B2Samsung Display Co., Ltd.
- Organic light-emitting device and apparatus including the same6 Oct 2026US 12,757,632 B2Samsung Display Co., Ltd.
- Organic electroluminescent materials and devices29 Sep 2026US 12,751,198 B2Universal Display Corporation
- Spiro-cyclometalated iridium emitters for OLED applications22 Sep 2026US 12,741,982 B2The University of Hong Kong
- Organic electroluminescent materials and devices8 Oct 2026US 2026/0308446 A1Universal Display Corporation
- Organic electroluminescent material and device thereof8 Oct 2026US 2026/0314158 A1Beijing Summer Sprout Technology Co., Ltd.
- Organic electroluminescent materials and devices8 Oct 2026US 2026/0314249 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
Most cited
By later US patents
- OLEDs doped with phosphorescent compounds1,989US 6,303,238 B1The Trustees of Princeton University · 2001
- Complexes with tridentate ligands1,471US 7,279,704 B2Universal Display Corporation · 2007
- Organic light emitting materials and devices1,135US 6,687,266 B1Universal Display Corporation · 2004
- Phosphorescent compounds and devices comprising the same1,017US 6,835,469 B2Universal Display Corporation · 2004
- OLEDs utilizing multidentate ligand systems1,005US 7,332,232 B2Universal Display Corporation · 2008