C09K 2211/181
Of the alkali metals and alkaline earth metals
Official title: of the alkali metals and alkaline earth metals
C09K2211/181 (Of the alkali metals and alkaline earth metals) appears on 54 US grants and 73 published applications in this corpus.
Search patents in C09K- Granted patents
- 54
- Published applications
- 73
- Assignees
- 61
- Inventors
- 248
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 3 |
| 2004 | 2 | 3 |
| 2005 | 0 | 4 |
| 2006 | 5 | 5 |
| 2007 | 2 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 5 | 6 |
| 2015 | 0 | 5 |
| 2016 | 5 | 7 |
| 2017 | 4 | 7 |
| 2018 | 9 | 3 |
| 2019 | 4 | 5 |
| 2020 | 1 | 3 |
| 2021 | 6 | 3 |
| 2022 | 2 | 4 |
| 2023 | 1 | 1 |
| 2024 | 3 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Perovskite optoelectronic devices and method for manufacturing the same13 Jan 2026US 12,522,680 B2Sn Display Co., Ltd.
- Organic light-emitting device25 Mar 2025US 12,262,629 B2Samsung Display Co., Ltd.
- Composite light-emitting material, production method thereof, and use thereof6 Aug 2024US 12,054,656 B2Beijing Institute of Technology
- Electrochromic device30 Jan 2024US 11,884,882 B2Hayashi Telempu Corporation
- Perovskite optoelectronic devices and method for manufacturing same16 Jan 2024US 11,877,460 B2Sn Display Co., Ltd.
- Method of producing perovskite semiconductor film13 Aug 2026US 2026/0234469 A1NGK Insulators, Ltd.
- Multifunctional optoelectronic device29 May 2025US 2025/0176417 A1LinXole AB
- Dual-Color CsPbBr3 Nanocrystals Prepared by Water4 Jul 2024US 2024/0218245 A1University of Kentucky Research Foundation
- Organic electroluminescent element and electronic device6 Jun 2024US 2024/0188431 A1Idemitsu Kosan Co., Ltd.
- Perovskite optoelectronic devices and method for manufacturing the same9 May 2024US 2024/0155857 A1Sn Display Co., Ltd.
Most cited
By later US patents
- Color stable red-emitting phosphors44US 8,906,724 B2General Electric Company · 2014
- Organic light-emitting device24US 8,911,881 B2Samsung Display Co., Ltd. · 2014
- Metal coordination compound and electroluminescence device22US 6,824,894 B2Canon Kabushiki Kaisha · 2004
- Color stable red-emitting phosphors21US 9,698,314 B2General Electric Company · 2017
- Organic EL device and preparation method14US 6,821,649 B2TDK Corporation · 2004