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C09K 11/7421

With alkaline earth metals

Official title: {with alkaline earth metals}

C09K11/7421 (With alkaline earth metals) appears on 22 US grants and 26 published applications in this corpus.

Search patents in C09K

Granted patents: 22
Published applications: 26
Assignees: 15
Inventors: 48
Latest grant: 13 Oct 2015

Filings by year

C09K 11/7421: granted patents and published applications per publication year
Year	Granted patents	Published applications
1992	1	0
1993	0	0
1994	0	0
1995	0	0
1996	0	0
1997	0	0
1998	0	0
1999	1	0
2000	2	0
2001	0	0
2002	0	0
2003	0	0
2004	0	0
2005	0	3
2006	0	4
2007	0	2
2008	2	0
2009	1	3
2010	0	1
2011	1	3
2012	3	2
2013	2	3
2014	7	3
2015	2	1
2016	0	0
2017	0	0
2018	0	0
2019	0	0
2020	0	0
2021	0	0
2022	0	0
2023	0	1

By publication year. Applications have been published since 2001.

Recent patents

White phosphors, methods of making white phosphors, white light emitting LEDS, methods of making white light emitting LEDS, and light bulb structures13 Oct 2015US 9,157,584 B2University of Georgia Research Foundation, Inc.
White phosphors, methods of making white phosphors, white light emitting LEDs, methods of making white light emitting LEDs, and light bulb structures21 Apr 2015US 9,011,717 B2University of Georgia Research Foundation, Inc.
White light emitting diode (LED) lighting device driven by pulse current11 Nov 2014US 8,883,525 B2Sichuan Sunfor Light Co., Ltd.
White light emitting diode (LED) lighting device driven by pulse current4 Nov 2014US 8,877,527 B2Sichuan Sunfor Light Co., Ltd.
White light emitting diode (LED) lighting device driven by pulse current4 Nov 2014US 8,878,199 B2Sichuan Sunfor Light Co., Ltd.

Most cited

By later US patents