C09K 11/7783
Containing two or more rare earth metals one of which being europium
Official title: {containing two or more rare earth metals one of which being europium}
C09K11/7783 (Containing two or more rare earth metals one of which being europium) appears on 1,059 US grants and 1,079 published applications in this corpus.
Search patents in C09K- Granted patents
- 1,059
- Published applications
- 1,079
- Assignees
- 500
- Inventors
- 2,315
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 20 | 0 |
| 1991 | 14 | 0 |
| 1992 | 19 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 16 | 0 |
| 1996 | 16 | 0 |
| 1997 | 13 | 0 |
| 1998 | 16 | 0 |
| 1999 | 16 | 0 |
| 2000 | 26 | 0 |
| 2001 | 23 | 14 |
| 2002 | 12 | 27 |
| 2003 | 34 | 40 |
| 2004 | 32 | 65 |
| 2005 | 29 | 66 |
| 2006 | 45 | 75 |
| 2007 | 39 | 85 |
| 2008 | 41 | 59 |
| 2009 | 35 | 87 |
| 2010 | 39 | 72 |
| 2011 | 51 | 53 |
| 2012 | 53 | 50 |
| 2013 | 47 | 70 |
| 2014 | 53 | 44 |
| 2015 | 42 | 37 |
| 2016 | 29 | 36 |
| 2017 | 29 | 34 |
| 2018 | 24 | 26 |
| 2019 | 17 | 26 |
| 2020 | 25 | 20 |
| 2021 | 23 | 20 |
| 2022 | 23 | 22 |
| 2023 | 17 | 15 |
| 2024 | 18 | 11 |
| 2025 | 12 | 18 |
| 2026 | 11 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Luminescent ink and ceramic product with a label printed with luminescent ink22 Sep 2026US 12,742,087 B2AsociacióN De InvestigacióN De Las Industrias Ceramicas (Aice)
- Phosphor powder, wavelength conversion body, and light emitting device15 Sep 2026US 12,735,639 B2Denka Company Limited
- Energy augmentation structures for use with energy emitters and collectors11 Aug 2026US 12,702,861 B2Immunolight, LLC
- Ultrabright luminescent lanthanide nanoparticles comprising terbium, with longer excited-state lifetime11 Aug 2026US 12,703,825 B2Centre National De La Recherche Scientifique
- Method for the antimicrobial protection of hides during the tanning process which includes a biocidal composition and a luminescent additive allowing the identification thereof11 Aug 2026US 12,703,887 B2Ancor TecnolóGica Canaria, S.L.
- Phosphor, light emitting device, lighting device, image display device, and indicator lamp for vehicles8 Oct 2026US 2026/0314126 A1Mitsubishi Chemical Corporation
- Phosphor, method for producing a phosphor, use of a phosphor and optoelectronic component27 Aug 2026US 2026/0250573 A1ams-OSRAM International GmbH
- Curable and flowable luminescent epoxy coating composition9 Jul 2026US 2026/0193475 A1Imam Abdulrahman Bin Faisal University
- Nanophotonic purcell enhanced metamaterial scintillator9 Apr 2026US 2026/0098974 A1The Board of Trustees of the Leland Stanford Junior University
- Monolithic structures and methods of use thereof26 Feb 2026US 2026/0054257 A1
Most cited
By later US patents
- Method to operate an incoherently emitting radiation source having at least one dielectrically impeded electrode583US 5,604,410 APatent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · 1997
- Light sources with nanometer-sized VUV radiation-absorbing phosphors490US 6,982,046 B2General Electric Company · 2006
- Light emitting device with phosphor composition440US 6,252,254 B1General Electric Company · 2001
- Red emitting phosphor materials for use in LED and LCD applications337US 7,358,542 B2Lumination LLC · 2008
- Phosphors containing boron and metals of Group IIIA and IIIB268US 7,128,849 B2General Electric Company · 2006