C09K 11/7777
Phosphates
Official title: {Phosphates}
C09K11/7777 (Phosphates) appears on 200 US grants and 219 published applications in this corpus.
Search patents in C09K- Granted patents
- 200
- Published applications
- 219
- Assignees
- 112
- Inventors
- 491
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 6 |
| 2002 | 6 | 6 |
| 2003 | 5 | 3 |
| 2004 | 4 | 9 |
| 2005 | 6 | 18 |
| 2006 | 11 | 17 |
| 2007 | 13 | 21 |
| 2008 | 8 | 19 |
| 2009 | 9 | 14 |
| 2010 | 13 | 13 |
| 2011 | 5 | 13 |
| 2012 | 10 | 11 |
| 2013 | 7 | 14 |
| 2014 | 10 | 12 |
| 2015 | 7 | 2 |
| 2016 | 3 | 2 |
| 2017 | 4 | 6 |
| 2018 | 7 | 1 |
| 2019 | 2 | 5 |
| 2020 | 5 | 6 |
| 2021 | 4 | 5 |
| 2022 | 4 | 7 |
| 2023 | 3 | 5 |
| 2024 | 4 | 0 |
| 2025 | 4 | 4 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Luminescent composition29 Apr 2025US 12,286,576 B2Seaborough Materials IP B.V.
- LED lighting apparatus having improved color rendering and LED filament4 Feb 2025US 12,218,290 B2Seoul Semiconductor Co., Ltd.
- Valuable document system14 Jan 2025US 12,194,772 B2Giesecke+Devrient Currency Technology GmbH
- Uranium-based phosphors and compositions for displays and lighting applications14 Jan 2025US 12,195,655 B2Dolby Intellectual Property Licensing, LLC
- Preparation method and use of green fluorescent transparent ceramic11 Jun 2024US 12,006,263 B2Zhejiang University
- Uranium-based phosphors and compositions for displays and lighting applications23 Oct 2025US 2025/0326968 A1Edison Innovations, LLC
- Led lighting apparatus having improved color rendering and led filament15 May 2025US 2025/0160071 A1Seoul Semiconductor Co., Ltd.
- Production method for uv light-emitting body, uv light-emitting body, and uv light source27 Mar 2025US 2025/0104995 A1Hamamatsu Photonics K.K.
- Uranium-based phosphors and compositions for displays and lighting applications20 Mar 2025US 2025/0092309 A1
- Method of manufacturing light emitter, light emitter and ultraviolet light source2 Nov 2023US 2023/0348783 A1Hamamatsu Photonics K.K.
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
- Low-pressure gas discharge lamp with phosphor coating351US 6,734,631 B2Koninklijke Philips Electronics N. V. · 2004
- 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