C09K 11/677
Germanates
Official title: {Germanates}
C09K11/677 (Germanates) appears on 7 US grants and 4 published applications in this corpus.
Search patents in C09K- Granted patents
- 7
- Published applications
- 4
- Assignees
- 5
- Inventors
- 18
- Latest grant
- 20 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Red phosphor, preparation method thereof and light-emitting device prepared therefrom20 Jun 2023US 11,680,203 B2Grirem Advanced Materials Co., Ltd.
- Fluoride fluorescent material, light emitting device, and method for producing fluoride fluorescent material16 Nov 2021US 11,174,430 B2Nichia Corporation
- Phosphor, light emitting device, and method for producing phosphor7 Apr 2020US 10,611,956 B2Denka Company Limited
- Radiological system employing phosphors of different densities22 Nov 1994US 5,367,172 AE. I. Du Pont de Nemours and Company
- Phosphor composition and X-ray intensifying screen exhibiting peak emission in the ultraviolet22 Dec 1992US 5,173,611 AEastman Kodak Company
- Red phosphor, preparation method thereof and light-emitting device prepared therefrom27 May 2021US 2021/0155848 A1Grirem Advanced Materials Co., Ltd.
- Fluoride fluorescent material, light emitting device, and method for producing fluoride fluorescent material2 Jul 2020US 2020/0208050 A1Nichia Corporation
- Fluorophore, light-emitting device, and method for manufacturing fluorophore15 Mar 2018US 2018/0072946 A1Denka Company Limited
- Compounds and solid state apparatus having electroluminescent properties19 Aug 2004US 2004/0159903 A1
Most cited
By later US patents
- X-ray intensifying screen with enhanced emission16US 5,095,218 AEastman Kodak Company · 1992
- Phosphor composition and X-ray intensifying screen capable of emitting principally in the spectral region of native silver halide sensitivity5US 5,112,700 AEastman Kodak Company · 1992
- Phosphor composition and X-ray intensifying screen exhibiting peak emission in the ultraviolet2US 5,173,611 AEastman Kodak Company · 1992
- Radiological system employing phosphors of different densities2US 5,367,172 AE. I. Du Pont de Nemours and Company · 1994