C09K 11/646
Silicates
Official title: {Silicates}
C09K11/646 (Silicates) appears on 99 US grants and 99 published applications in this corpus.
Search patents in C09K- Granted patents
- 99
- Published applications
- 99
- Assignees
- 69
- Inventors
- 233
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 4 |
| 2008 | 3 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 4 |
| 2014 | 2 | 3 |
| 2015 | 0 | 12 |
| 2016 | 7 | 7 |
| 2017 | 12 | 10 |
| 2018 | 7 | 4 |
| 2019 | 3 | 9 |
| 2020 | 8 | 9 |
| 2021 | 11 | 6 |
| 2022 | 3 | 5 |
| 2023 | 3 | 4 |
| 2024 | 3 | 7 |
| 2025 | 2 | 0 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High luminous efficacy phosphor converted white LEDs7 Apr 2026US 12,595,409 B2Bridgelux, Inc.
- Fluoride phosphor and method of producing the same, wavelength conversion member, and light emitting device10 Feb 2026US 12,545,836 B2Nichia Corporation
- Light emitting device13 Jan 2026US 12,527,132 B2Nichia Corporation
- Method for producing fluoride phosphor20 May 2025US 12,305,100 B2Nichia Corporation
- Phosphor plate and light emitting device20 May 2025US 12,310,155 B2Denka Company Limited
- Method for producing aluminosilicate-based phosphor, aluminosilicate-based phosphor, and light-emitting device20 Aug 2026US 2026/0242661 A1University of Yamanashi
- Light emitting device9 Apr 2026US 2026/0101615 A1Nichia Corporation
- A radiation sensing material26 Sep 2024US 2024/0318075 A1Turun Yliopisto
- Fluoride fluorescent body, method for producing same, and light emission apparatus22 Aug 2024US 2024/0279543 A1Nichia Corporation
- Light-emitting material and method for producing the same18 Jul 2024US 2024/0240080 A1Nichia Corporation
Most cited
By later US patents
- Mechanoluminescence material, producing method thereof, and usage thereof41US 7,060,371 B2National Institute of Advanced Industrial Science and Technology · 2006
- Polycarbonate compositions containing conversion material chemistry and having enhanced optical properties, methods of making and articles comprising the same26US 9,287,471 B2Sabic Global Technologies B.V. · 2016
- Transition-metal, glass-ceramic gain media24US 6,297,179 B1Corning Incorporated · 2001
- Compositions for LED light conversions17US 9,719,660 B1Ecosense Lighting Inc. · 2017
- Method of preparing fluoroplogopite phosphor16US 5,306,441 AGTE Products Corporation · 1994