C09K 11/643
With alkaline earth metals
Official title: {with alkaline earth metals}
C09K11/643 (With alkaline earth metals) appears on 126 US grants and 139 published applications in this corpus.
Search patents in C09K- Granted patents
- 126
- Published applications
- 139
- Assignees
- 80
- Inventors
- 257
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 4 |
| 2002 | 4 | 5 |
| 2003 | 8 | 4 |
| 2004 | 4 | 10 |
| 2005 | 4 | 13 |
| 2006 | 11 | 9 |
| 2007 | 3 | 14 |
| 2008 | 4 | 9 |
| 2009 | 9 | 6 |
| 2010 | 5 | 4 |
| 2011 | 4 | 1 |
| 2012 | 5 | 3 |
| 2013 | 2 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 5 |
| 2017 | 5 | 5 |
| 2018 | 4 | 5 |
| 2019 | 5 | 14 |
| 2020 | 4 | 5 |
| 2021 | 8 | 2 |
| 2022 | 4 | 1 |
| 2023 | 3 | 7 |
| 2024 | 0 | 6 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light emitting device13 Jan 2026US 12,527,132 B2Nichia Corporation
- Reusable photoluminescent apparatus, methods, and systems15 Jul 2025US 12,359,117 B2Nyoka Design Corp.
- Phosphor and light-emitting equipment using phosphor11 Jul 2023US 11,697,765 B2Citizen Electronics Co., Ltd.
- Phosphor and conversion LED28 Mar 2023US 11,613,697 B2OSRAM Opto Semiconductors GmbH
- Wide color gamut light-emitting element21 Mar 2023US 11,611,020 B2Seoul Semiconductor Co., Ltd.
- Light emitting device9 Apr 2026US 2026/0101615 A1Nichia Corporation
- Grout or caulk with phosphorescence8 May 2025US 2025/0145525 A1
- Self-illumination vehicle canopy12 Dec 2024US 2024/0410535 A1Textron Inc.
- Reusable photoluminescent apparatus, methods, and systems28 Nov 2024US 2024/0392182 A1Nyoka Design Corp.
- Phosphor and method for producing phosphor11 Jul 2024US 2024/0228875 A9Sumitomo Chemical Company, Limited
Most cited
By later US patents
- Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same135US 6,180,029 B2Superior MicroPowders LLC · 2001
- Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same110US 6,153,123 ASuperior MicroPowders LLC · 2000
- Aerosol method and apparatus, particulate products, and electronic devices made therefrom76US 6,338,809 B12002
- Red line emitting phosphors for use in led applications68US 7,648,649 B2Lumination LLC · 2010
- Phosphorescent synthetic resin material method for production thereof, and formed article48US 5,607,621 AYKK Corporation · 1997