C09K 2211/187
Of the iron group metals, i.e. fe, co or ni
Official title: of the iron group metals, i.e. Fe, Co or Ni
C09K2211/187 (Of the iron group metals, i.e. fe, co or ni) appears on 75 US grants and 106 published applications in this corpus.
Search patents in C09K- Granted patents
- 75
- Published applications
- 106
- Assignees
- 68
- Inventors
- 240
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 4 |
| 2004 | 4 | 3 |
| 2005 | 2 | 7 |
| 2006 | 5 | 7 |
| 2007 | 4 | 2 |
| 2008 | 1 | 7 |
| 2009 | 4 | 3 |
| 2010 | 1 | 2 |
| 2011 | 1 | 5 |
| 2012 | 2 | 4 |
| 2013 | 5 | 5 |
| 2014 | 2 | 2 |
| 2015 | 4 | 5 |
| 2016 | 2 | 1 |
| 2017 | 4 | 2 |
| 2018 | 3 | 8 |
| 2019 | 7 | 4 |
| 2020 | 1 | 3 |
| 2021 | 4 | 6 |
| 2022 | 3 | 4 |
| 2023 | 4 | 5 |
| 2024 | 5 | 8 |
| 2025 | 2 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Metal complexes, methods, and uses thereof2 Jun 2026US 12,643,919 B2Arizona Board of Regents on behalf of Arizona State University
- Display panel and electronic device with green photoresist made of different types of pigments10 Mar 2026US 12,575,289 B2
- Electrochromic devices having a buffer system18 Mar 2025US 12,252,498 B2Gentex Corporation
- Metal-assisted delayed fluorescent materials as co-host materials for fluorescent OLEDs11 Feb 2025US 12,221,573 B2Arizona Board of Regents on behalf of Arizona State University
- Organic electroluminescent materials and devices12 Nov 2024US 12,144,244 B2Universal Display Corporation
- Organic Electroluminescent Device and Display Device Comprising the Organic Electroluminescent Device30 Apr 2026US 2026/0123176 A1Novaled GmbH
- Printing material including salen compound31 Jul 2025US 2025/0243375 A1Hewlett-Packard Development Company, L. P.
- Metallo-supramolecular polymer, electrochromic device, and method for producing metallo-supramolecular polymer10 Jul 2025US 2025/0223490 A1National Institute for Materials Science
- Metal-assisted delayed fluorescent materials as co-host materials for fluorescent oleds5 Jun 2025US 2025/0179355 A1Arizona Board of Regents on behalf of Arizona State University
- Organic electroluminescent materials and devices10 Apr 2025US 2025/0120303 A1Universal Display Corporation
Most cited
By later US patents
- Metal complexes103US 8,617,723 B2Merck Patent GmbH · 2013
- Metal-assisted delayed fluorescent materials as co-host materials for fluorescent OLEDs79US 9,920,242 B2Arizona Board of Regents on behalf of Arizona State University · 2018
- Metal-assisted delayed fluorescent materials as co-host materials for fluorescent OLEDS60US 10,294,417 B2Arizona Board of Regents on behalf of Arizona State University · 2019
- Electrochromic device59US 6,519,072 B2Nippon Mitsubishi Oil Corporation · 2003
- Copper and nickel dihalide complexes, their preparation and the use thereof32US 4,970,315 ACiba-Geigy Corporation · 1990