C09K 11/7737
Phosphates
Official title: {Phosphates}
C09K11/7737 (Phosphates) appears on 269 US grants and 315 published applications in this corpus.
Search patents in C09K- Granted patents
- 269
- Published applications
- 315
- Assignees
- 118
- Inventors
- 631
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 1 |
| 2003 | 3 | 6 |
| 2004 | 6 | 15 |
| 2005 | 4 | 21 |
| 2006 | 8 | 22 |
| 2007 | 12 | 28 |
| 2008 | 11 | 21 |
| 2009 | 7 | 37 |
| 2010 | 18 | 25 |
| 2011 | 26 | 20 |
| 2012 | 25 | 20 |
| 2013 | 19 | 19 |
| 2014 | 20 | 12 |
| 2015 | 8 | 6 |
| 2016 | 9 | 5 |
| 2017 | 7 | 8 |
| 2018 | 8 | 7 |
| 2019 | 6 | 5 |
| 2020 | 5 | 4 |
| 2021 | 7 | 6 |
| 2022 | 2 | 6 |
| 2023 | 5 | 8 |
| 2024 | 7 | 6 |
| 2025 | 3 | 6 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Halophosphate phosphor, manufacturing method thereof, and light-emitting device21 Jul 2026US 12,686,818 B2Nichia Corporation
- System and method for selected pump LEDs with multiple phosphors23 Jun 2026US 12,666,769 B2Korrus, Inc.
- Oxide fluorescent material, light emitting device, and method for producing oxide fluorescent material28 Apr 2026US 12,612,549 B2Nichia Corporation
- Nitridophosphate phosphors for solid state lighting and method of production1 Jul 2025US 12,344,785 B2Lumileds LLC
- White light source including LED and phosphors4 Mar 2025US 12,245,445 B2Seoul Semiconductor Co., Ltd.
- Nitride phosphor and light emitting device12 Mar 2026US 2026/0075993 A1Nichia Corporation
- Red-emitting phosphors having small particle size, processes for preparing and devices thereof13 Nov 2025US 2025/0346807 A1
- Aircraft with passenger cabin6 Nov 2025US 2025/0340779 A1Stg Aerospace Limited
- Phosphor compositions and devices thereof11 Sep 2025US 2025/0282993 A1
- Red-emitting nitridophosphate phosphor and white phosphor-converted led19 Jun 2025US 2025/0197722 A1Lumileds LLC
Most cited
By later US patents
- Light sources with nanometer-sized VUV radiation-absorbing phosphors490US 6,982,046 B2General Electric Company · 2006
- Phosphor blends and backlight sources for liquid crystal displays333US 6,809,781 B2General Electric Company · 2004
- Phosphor converted light emitting device182US 6,717,353 B1Lumileds Lighting U.S., LLC · 2004
- White light emitting phosphor blend for LED devices171US 6,501,100 B1General Electric Company · 2002
- Phosphor blends for generating white light from near-UV/blue light-emitting devices145US 6,685,852 B2General Electric Company · 2004