C09K 11/7728
Containing europium
Official title: {containing europium}
C09K11/7728 (Containing europium) appears on 2,218 US grants and 2,560 published applications in this corpus.
Search patents in C09K- Granted patents
- 2,218
- Published applications
- 2,560
- Assignees
- 586
- Inventors
- 3,359
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 10 | 0 |
| 1978 | 15 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 18 | 0 |
| 1991 | 20 | 0 |
| 1992 | 12 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 14 | 0 |
| 1996 | 18 | 0 |
| 1997 | 21 | 0 |
| 1998 | 13 | 0 |
| 1999 | 17 | 0 |
| 2000 | 23 | 0 |
| 2001 | 25 | 11 |
| 2002 | 26 | 43 |
| 2003 | 47 | 65 |
| 2004 | 53 | 125 |
| 2005 | 36 | 157 |
| 2006 | 79 | 163 |
| 2007 | 111 | 166 |
| 2008 | 69 | 149 |
| 2009 | 97 | 156 |
| 2010 | 108 | 161 |
| 2011 | 95 | 110 |
| 2012 | 116 | 161 |
| 2013 | 127 | 145 |
| 2014 | 131 | 106 |
| 2015 | 117 | 98 |
| 2016 | 103 | 90 |
| 2017 | 87 | 97 |
| 2018 | 80 | 76 |
| 2019 | 71 | 86 |
| 2020 | 67 | 72 |
| 2021 | 66 | 68 |
| 2022 | 67 | 75 |
| 2023 | 56 | 67 |
| 2024 | 50 | 57 |
| 2025 | 41 | 38 |
| 2026 | 18 | 18 |
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, light-emitting device, illumination device, image display device, and indicator lamp for vehicle22 Sep 2026US 12,742,117 B2Mitsubishi Chemical Corporation
- Light-emitting device and electronic apparatus using same1 Sep 2026US 12,727,299 B2Panasonic Intellectual Property Management Co., Ltd.
- Light emitting device and lighting fixture provided with same18 Aug 2026US 12,709,708 B2Nichia Corporation
- Energy augmentation structures for use with energy emitters and collectors11 Aug 2026US 12,702,861 B2Immunolight, LLC
- Light emitting device24 Sep 2026US 2026/0293383 A1Nichia Corporation
- Process for synthesizing europium-doped strontium magnesium germanate phosphors3 Sep 2026US 2026/0258300 A1Princess Nourah Bint Abdulrahman University
- Phosphor, method for producing a phosphor, use of a phosphor and optoelectronic component27 Aug 2026US 2026/0250573 A1ams-OSRAM International GmbH
- Near-infrared light emitting device, spectroscopic apparatus, and spectroscopy6 Aug 2026US 2026/0227327 A1Panasonic Intellectual Property Management Co., Ltd.
- White led with at least p1f3 light quality16 Jul 2026US 2026/0206376 A1Signify Holding B. V.
Most cited
By later US patents
- Lighting system590US 6,234,648 B1U. S. Philips Corporation · 2001
- Light sources with nanometer-sized VUV radiation-absorbing phosphors490US 6,982,046 B2General Electric Company · 2006
- White light emitting device and white light source module using the same488US 7,959,312 B2Samsung LED Co., Ltd. · 2011
- Light emitting device with phosphor composition440US 6,252,254 B1General Electric Company · 2001
- Solid state illumination system containing a light emitting diode, a light scattering material and a luminescent material380US 6,791,259 B1General Electric Company · 2004