C09K 11/7735
Germanates
Official title: {Germanates}
C09K11/7735 (Germanates) appears on 49 US grants and 49 published applications in this corpus.
Search patents in C09K- Granted patents
- 49
- Published applications
- 49
- Assignees
- 27
- Inventors
- 105
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 4 |
| 2006 | 2 | 4 |
| 2007 | 1 | 2 |
| 2008 | 2 | 7 |
| 2009 | 5 | 4 |
| 2010 | 3 | 5 |
| 2011 | 5 | 2 |
| 2012 | 7 | 4 |
| 2013 | 2 | 3 |
| 2014 | 3 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Red-luminescent phosphor with long afterglow and fabrication method thereof14 Apr 2026US 12,600,906 B2Nano and Advanced Materials Institute Limited
- Light emitting device and lighting system having the same11 Jun 2024US 12,009,348 B2Seoul Semiconductor Co., Ltd.
- Persistent luminescent nanoparticle and articles comprising the same16 Jan 2024US 11,873,431 B2Thomas Jefferson University
- Light emitting device and lighting system having the same3 May 2022US 11,322,484 B2Seoul Semiconductor Co., Ltd.
- Luminescent layer and light-emitting semiconductor device25 Jun 2019US RE47,453 E1Panasonic Corporation
- Process for synthesizing europium-doped strontium magnesium germanate phosphors3 Sep 2026US 2026/0258300 A1Princess Nourah Bint Abdulrahman University
- Persistent Luminescent Nanoparticle and Articles Comprising the Same18 Apr 2024US 2024/0124766 A1Thomas Jefferson University
- Red-luminescent phosphor with long afterglow and fabrication method thereof23 Mar 2023US 2023/0090990 A1Nano and Advanced Materials Institute Limited
- Persistent Luminescent Nanoparticle and Articles Comprising the Same20 Oct 2022US 2022/0333005 A1Thomas Jefferson University
- Light emitting device and lighting system having the same18 Aug 2022US 2022/0262776 A1Seoul Semiconductor Co., Ltd.
Most cited
By later US patents
- Long persistent phosphorescence phosphor185US 5,839,718 AKasei Optonix, Ltd. · 1998
- Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device126US 7,023,019 B2Matsushita Electric Industrial Co., Ltd. · 2006
- Light source using a yellow-to-red-emitting phosphor94US 6,649,946 B2OSRAM Opto Semiconductors GmbH · 2003
- Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device64US 7,422,504 B2Matsushita Electric Industrial Co., Ltd. · 2008
- Light emitting device53US 7,554,129 B2Seoul Semiconductor Co., Ltd. · 2009