C09K 11/617
Silicates
Official title: {Silicates}
C09K11/617 (Silicates) appears on 201 US grants and 260 published applications in this corpus.
Search patents in C09K- Granted patents
- 201
- Published applications
- 260
- Assignees
- 78
- Inventors
- 375
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 0 | 1 |
| 2014 | 4 | 6 |
| 2015 | 6 | 29 |
| 2016 | 10 | 28 |
| 2017 | 22 | 35 |
| 2018 | 29 | 21 |
| 2019 | 23 | 27 |
| 2020 | 24 | 14 |
| 2021 | 19 | 11 |
| 2022 | 12 | 18 |
| 2023 | 17 | 18 |
| 2024 | 8 | 18 |
| 2025 | 14 | 15 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light emitting device and lighting fixture provided with same18 Aug 2026US 12,709,708 B2Nichia Corporation
- Red luminescent material and conversion LED12 May 2026US 12,624,280 B2ams-OSRAM International GmbH
- Method for producing inorganic fluoride luminescent material28 Apr 2026US 12,612,548 B2Nichia Corporation
- Fluoride phosphor and method of producing the same, wavelength conversion member, and light emitting device10 Feb 2026US 12,545,836 B2Nichia Corporation
- Light emission device and light fixture comprising same3 Feb 2026US 12,543,417 B2Nichia Corporation
- White led with at least p1f3 light quality16 Jul 2026US 2026/0206376 A1Signify Holding B. V.
- Fluoride phosphor and light-emitting device2 Jul 2026US 2026/0184987 A1Nichia Corporation
- Red phosphor, preparation method therefor, and use thereof12 Feb 2026US 2026/0042960 A1Jiangsu Bree Optronics Co., Ltd
- Light emitting device comprising a light scattering material layer12 Feb 2026US 2026/0043527 A1Bridgelux, Inc.
- White Light Emitting Devices with Enhanced Color Quality5 Feb 2026US 2026/0040736 A1Bridgelux, Inc.
Most cited
By later US patents
- Red line emitting phosphor materials for use in LED applications112US 7,497,973 B2Lumination LLC · 2009
- Color stable manganese-doped phosphors68US 8,252,613 B1General Electric Company · 2012
- Color stable red-emitting phosphors44US 8,906,724 B2General Electric Company · 2014
- White light-emitting device and illumination device36US 8,890,403 B2Mitsubishi Chemical Corporation · 2014
- Color stable manganese-doped phosphors32US 8,710,487 B2General Electric Company · 2014