C09K 11/0855
Phosphates
Official title: {Phosphates}
C09K11/0855 (Phosphates) appears on 18 US grants and 17 published applications in this corpus.
Search patents in C09K- Granted patents
- 18
- Published applications
- 17
- Assignees
- 20
- Inventors
- 56
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light emitting device13 Jan 2026US 12,527,132 B2Nichia Corporation
- Phosphor composition and method for manufacturing same9 Dec 2025US 12,492,338 B2Nichia Corporation
- Structured phosphate luminophores and structured metal luminophores and their use in the detection of hydroperoxides using chemically-stimulated luminescence23 Jul 2024US 12,043,779 B2University of Kentucky Research Foundation
- Phosphor and semiconductor light emitting device using the same3 May 2022US 11,322,660 B2Panasonic Intellectual Property Management Co., Ltd.
- Aromatic compound and organic electroluminescence device including the same16 Nov 2021US 11,174,427 B2Samsung Display Co., Ltd.
- Light emitting device9 Apr 2026US 2026/0101615 A1Nichia Corporation
- Ultraviolet light emitting element and ultraviolet light irradiation device provided with the same9 Oct 2025US 2025/0316471 A1Shikoh Tech LLC
- Light emitting device16 Nov 2023US 2023/0369547 A1Nichia Corporation
- Phospor composition and method for producing same15 Jun 2023US 2023/0183566 A1Nichia Corporation
- Structured phosphate luminophores and structured metal luminophores and their use in the detection of hydroperoxides using chemically-stimulated luminescence8 Dec 2022US 2022/0389311 A1University of Kentucky Research Foundation
Most cited
By later US patents
- Cool-white fluorescent lamp with phosphor having modified spectral energy distribution to improve luminosity thereof33US 4,075,532 AGeneral Electric Company · 1978
- Fluorescent lamp with superimposed luminescent layers23US 4,088,923 AU. S. Philips Corporation · 1978
- Optimized phosphor system for improved efficacy lighting sources18US 7,119,488 B2GELcore, LLC · 2006
- Light emitting film, luminescent device, method for manufacturing light emitting film and method for manufacturing luminescent device15US 7,923,918 B2Nichia Corporation · 2011
- Method of preparing halophosphate phosphor of controlled particle size5US 3,940,343 AWestinghouse Electric Corp. · 1976