C09K 11/701
Chalcogenides
Official title: {Chalcogenides}
C09K11/701 (Chalcogenides) appears on 194 US grants and 243 published applications in this corpus.
Search patents in C09K- Granted patents
- 194
- Published applications
- 243
- Assignees
- 74
- Inventors
- 440
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 3 |
| 2009 | 3 | 4 |
| 2010 | 2 | 7 |
| 2011 | 2 | 2 |
| 2012 | 2 | 1 |
| 2013 | 2 | 4 |
| 2014 | 5 | 4 |
| 2015 | 4 | 9 |
| 2016 | 7 | 13 |
| 2017 | 10 | 22 |
| 2018 | 4 | 23 |
| 2019 | 17 | 21 |
| 2020 | 24 | 26 |
| 2021 | 17 | 34 |
| 2022 | 22 | 23 |
| 2023 | 26 | 21 |
| 2024 | 15 | 9 |
| 2025 | 12 | 7 |
| 2026 | 11 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Uniformly encapsulated nanoparticles, and light emitting material and optoelectronic device including same28 Jul 2026US 12,692,431 B2Nexdot
- Quantum dot and preparation method therefor, quantum dot light-emitting device, and display apparatus14 Jul 2026US 12,680,019 B2Boe Technology Group Co., Ltd.
- Semiconductor nanoparticle complex, semiconductor nanoparticle complex dispersion liquid, semiconductor nanoparticle complex composition, and semiconductor nanoparticle complex cured film14 Jul 2026US 12,681,222 B2Shoei Chemical Inc.
- Quantum dot film layers, quantum dot light emitting devices and manufacturing methods therefor26 May 2026US 12,641,996 B2Beijing BOE Technology Development Co., Ltd.
- Quantum dot-containing polymerizable composition, cured product, wavelength conversion member, backlight unit, and liquid crystal display device12 May 2026US 12,624,279 B2FUJIFILM Corporation
- Quantum dot, and ink composition, light-emitting device, optical member, and apparatus including the same4 Jun 2026US 2026/0152686 A1Samsung Display Co., Ltd.
- Quantum dot, composition for preparing quantum dot composite, quantum dot composite, and display panel12 Mar 2026US 2026/0071116 A1Samsung Display Co., Ltd.
- Uranium-based phosphors and compositions for displays and lighting applications23 Oct 2025US 2025/0326968 A1Edison Innovations, LLC
- Semiconductor nanoparticle complex, semiconductor nanoparticle complex dispersion liquid, semiconductor nanoparticle complex composition, semiconductor nanoparticle complex cured film, and purification method for semiconductor nanoparticle complex9 Oct 2025US 2025/0313750 A1Shoei Chemical Inc.
- Composite material and preparation method thereof, and quantum dot light-emitting device10 Jul 2025US 2025/0223493 A1Guangdong Juhua Research Institute of Advanced Display
Most cited
By later US patents
- Light sources with nanometer-sized VUV radiation-absorbing phosphors490US 6,982,046 B2General Electric Company · 2006
- Fluorescent material and light-emitting device83US 8,169,131 B2Nichia Corporation · 2012
- Methods for encapsulating nanocrystals and resulting compositions58US 8,343,575 B2Nanosys, Inc. · 2013
- Monodisperse core/shell and other complex structured nanocrystals and methods of preparing the same43US 7,767,260 B2Board of Trustees of the University of Arkansas · 2010
- Monodisperse core/shell and other complex structured nanocrystals and methods of preparing the same34US 7,919,012 B2Board of Trustees of the University of Arkansas · 2011