C09K 11/7731
With alkaline earth metals
Official title: {with alkaline earth metals}
C09K11/7731 (With alkaline earth metals) appears on 371 US grants and 391 published applications in this corpus.
Search patents in C09K- Granted patents
- 371
- Published applications
- 391
- Assignees
- 165
- Inventors
- 680
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 3 |
| 2002 | 8 | 15 |
| 2003 | 16 | 17 |
| 2004 | 14 | 32 |
| 2005 | 8 | 31 |
| 2006 | 23 | 29 |
| 2007 | 16 | 38 |
| 2008 | 15 | 34 |
| 2009 | 23 | 23 |
| 2010 | 28 | 17 |
| 2011 | 21 | 18 |
| 2012 | 18 | 14 |
| 2013 | 16 | 22 |
| 2014 | 15 | 20 |
| 2015 | 11 | 11 |
| 2016 | 17 | 10 |
| 2017 | 12 | 9 |
| 2018 | 11 | 6 |
| 2019 | 7 | 10 |
| 2020 | 8 | 8 |
| 2021 | 10 | 3 |
| 2022 | 5 | 5 |
| 2023 | 9 | 8 |
| 2024 | 4 | 4 |
| 2025 | 3 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Photoelectric conversion element and solar cell20 May 2025US 12,310,142 B2Kabushiki Kaisha Toshiba
- High brightness light source comprising a blue laser pumping a green yellow phosphor and a yellow orange superluminescent diode pumping a red phosphor29 Apr 2025US 12,287,087 B2Signify Holding B. V.
- LED lighting apparatus having improved color rendering and LED filament4 Feb 2025US 12,218,290 B2Seoul Semiconductor Co., Ltd.
- Phosphor powder and light emitting device11 Jun 2024US 12,006,459 B2Denka Company Limited
- Wavelength conversion member, and light emitting device using same27 Feb 2024US 11,912,621 B2Nippon Electric Glass Co., Ltd.
- Phosphor powder, phosphor-containing composition, light-emitting element, and light-emitting device26 Jun 2025US 2025/0207022 A1Mitsui Mining & Smelting Co., Ltd.
- Phosphor and method for producing same5 Jun 2025US 2025/0179358 A1Mitsui Mining & Smelting Co., Ltd.
- Led lighting apparatus having improved color rendering and led filament15 May 2025US 2025/0160071 A1Seoul Semiconductor Co., Ltd.
- High brightness light source comprising a blue laser pumping a green yellow phosphor and a yellow orange superluminescent diode pumping a red phosphor6 Mar 2025US 2025/0075881 A1Signify Holding B. V.
- Methods and compositions for enhanced dispersion of phosphor in a polymeric matrix24 Oct 2024US 2024/0352315 A1Board of Regents, The University of Texas System
Most cited
By later US patents
- 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
- Wavelength converted semiconductor light emitting devices252US 7,250,715 B2Philips Lumileds Lighting Company, LLC · 2007
- Tri-color, white light LED lamps196US 6,686,691 B1Lumileds Lighting U.S., LLC · 2004
- Phosphor converted light emitting diode190US 6,417,019 B1Lumileds Lighting U.S., LLC · 2002