C09K 11/562
Chalcogenides
Official title: {Chalcogenides}
C09K11/562 (Chalcogenides) appears on 873 US grants and 1,124 published applications in this corpus.
Search patents in C09K- Granted patents
- 873
- Published applications
- 1,124
- Assignees
- 365
- Inventors
- 1,796
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 4 |
| 2002 | 3 | 7 |
| 2003 | 15 | 13 |
| 2004 | 11 | 28 |
| 2005 | 10 | 27 |
| 2006 | 22 | 36 |
| 2007 | 17 | 36 |
| 2008 | 23 | 31 |
| 2009 | 23 | 44 |
| 2010 | 21 | 66 |
| 2011 | 37 | 54 |
| 2012 | 36 | 27 |
| 2013 | 34 | 39 |
| 2014 | 30 | 37 |
| 2015 | 31 | 51 |
| 2016 | 33 | 44 |
| 2017 | 49 | 60 |
| 2018 | 38 | 59 |
| 2019 | 46 | 52 |
| 2020 | 47 | 60 |
| 2021 | 44 | 89 |
| 2022 | 48 | 74 |
| 2023 | 71 | 80 |
| 2024 | 60 | 56 |
| 2025 | 49 | 34 |
| 2026 | 26 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Quantum dot device and electronic device22 Sep 2026US 12,742,116 B2Samsung Display Co., Ltd.
- Display panel and electronic apparatus including the same25 Aug 2026US 12,720,994 B2Samsung Display Co., Ltd.
- Multifunctional magnetic-optical nanoparticles11 Aug 2026US 12,704,507 B2Korea University Research and Business Foundation
- Uniformly encapsulated nanoparticles, and light emitting material and optoelectronic device including same28 Jul 2026US 12,692,431 B2Nexdot
- Quantum dot light-emitting diode and fabrication method thereof21 Jul 2026US 12,690,322 B2Tcl Technology Group Corporation
- Method for manufacturing quantum dot, quantum dot, and electronic apparatus including the quantum dot8 Oct 2026US 2026/0314160 A1Samsung Display Co., Ltd.
- Method for producing semiconductor quantum dots17 Sep 2026US 2026/0275188 A1The Trustees of Princeton University
- Quantum dot composition, light-emitting device, electronic apparatus, and electronic equipment13 Aug 2026US 2026/0239871 A1Samsung Display Co., Ltd.
- Ink composition30 Jul 2026US 2026/0223590 A1Samsung Display Co., Ltd.
- Production method of a wide-area nanocrystal film23 Jul 2026US 2026/0209450 A1Bilkent Universitesi Ulusal Nanoteknoloji Arastirma Merkezi
Most cited
By later US patents
- Semiconductor nanocrystal probes for biological applications and process for making and using such probes437US 6,207,392 B1The Regents of the University of California · 2001
- Quantum dot white and colored light emitting diodes330US 6,501,091 B1Hewlett-Packard Company · 2002
- Luminescent nanoparticles and methods for their preparation226US 6,815,064 B2Quantum Dot Corporation · 2004
- Quantum dot white and colored light-emitting devices190US 6,803,719 B1Massachusetts Institute of Technology · 2004
- Highly luminescent color selective nanocrystalline materials171US 6,861,155 B2Massachusetts Institute of Technology · 2005