C09K 11/73
Also containing alkaline earth metals
Official title: also containing alkaline earth metals
C09K11/73 (Also containing alkaline earth metals) appears on 19 US grants and 15 published applications in this corpus.
Search patents in C09K- Granted patents
- 19
- Published applications
- 15
- Assignees
- 21
- Inventors
- 60
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 3 |
| 2020 | 0 | 0 |
| 2021 | 3 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- White light source including LED and phosphors4 Mar 2025US 12,245,445 B2Seoul Semiconductor Co., Ltd.
- White light source including LED and phosphors24 Jan 2023US 11,563,155 B2Seoul Semiconductor Co., Ltd.
- Phosphor5 Jul 2022US 11,377,593 B2Koito Manufacturing Co., Ltd.
- Europium-activated alkaline-earth chloroapatite phosphor and light-emitting device thereof10 Aug 2021US 11,084,979 B2Toshiba Materials Co., Ltd.
- White light source including LED and phosphors23 Mar 2021US 10,957,826 B2Kabushiki Kaisha Toshiba
- White light source including led and phosphors29 May 2025US 2025/0176328 A1Seoul Semiconductor Co., Ltd.
- Oxide fluorescent material, light emitting device, and method for producing oxide fluorescent material15 Feb 2024US 2024/0052240 A1Nichia Corporation
- White light source including led and phosphors25 May 2023US 2023/0163257 A1Seoul Semiconductor Co., Ltd.
- White light source including led and phosphors20 May 2021US 2021/0151638 A1Kabushiki Kaisha Toshiba
- Phosphor19 Dec 2019US 2019/0382657 A1Koito Manufacturing Co., Ltd.
Most cited
By later US patents
- Tb- or Eu-containing fluorophosphate fluorescent glass22US 5,635,109 ASumita Optical Glass, Inc. · 1997
- White light source including LED and phosphors10US 10,957,826 B2Kabushiki Kaisha Toshiba · 2021
- Fluorescent lamp alkaline earth halophosphate phosphor with protective NaCs.sub.2 PrCl.sub.6 coating10US 4,243,909 AGTE Laboratories Incorporated · 1981
- Fluorescent lamp for use in liquid analysis10US 4,251,750 AGTE Products Corporation · 1981
- Red phosphors for use in high CRI fluorescent lamps10US 6,965,193 B2General Electric Company · 2005