C09K 11/7721
Aluminates
Official title: {Aluminates}
C09K11/7721 (Aluminates) appears on 46 US grants and 54 published applications in this corpus.
Search patents in C09K- Granted patents
- 46
- Published applications
- 54
- Assignees
- 48
- Inventors
- 163
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 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 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 5 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 2 | 5 |
| 2011 | 3 | 2 |
| 2012 | 2 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 3 | 5 |
| 2018 | 2 | 0 |
| 2019 | 1 | 2 |
| 2020 | 3 | 2 |
| 2021 | 2 | 6 |
| 2022 | 4 | 4 |
| 2023 | 2 | 6 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light emitting device, headlight, and vehicle comprising same2 Jun 2026US 12,648,271 B2Nichia Corporation
- Ceramic composition and method for manufacturing ceramic composition7 Apr 2026US 12,595,412 B2Shinko Electric Idustries Co., Ltd.
- Color wheel24 Feb 2026US 12,560,800 B2LG Electronics Inc.
- Light emission device and light fixture comprising same3 Feb 2026US 12,543,417 B2Nichia Corporation
- Reusable photoluminescent apparatus, methods, and systems15 Jul 2025US 12,359,117 B2Nyoka Design Corp.
- Reusable photoluminescent apparatus, methods, and systems28 Nov 2024US 2024/0392182 A1Nyoka Design Corp.
- Phosphor, wavelength conversion device, illumination device, and projector28 Nov 2024US 2024/0392189 A1Seiko Epson Corporation
- Light emitting device, headlight, and vehicle comprising same11 Jul 2024US 2024/0234648 A1Nichia Corporation
- Phosphor and light source device17 Aug 2023US 2023/0257649 A1TDK Corporation
- Light conversion device with high uniformity27 Jul 2023US 2023/0236063 A1Analytik Jena US LLC
Most cited
By later US patents
- Long persistent phosphors and persistent energy transfer technique225US 6,953,536 B2University of Georgia Research Foundation, Inc. · 2005
- High-luminosity stress-luminescent material28US 6,280,655 B1Japan as represented by Secretary of Agency of Industrial Science and Technology · 2001
- Thin film electro-luminescence device20US 6,074,575 AMitsui Mining & Smelting Co., Ltd. · 2000
- Luminescent aluminates and mercury vapor discharge lamp containing the same16US 4,150,321 AU. S. Philips Corporation · 1979
- Color stable phosphors for LED lamps and methods for preparing them14US 8,593,062 B2General Electric Company · 2013