C09K 11/0805
Chalcogenides
Official title: {Chalcogenides}
C09K11/0805 (Chalcogenides) appears on 173 US grants and 149 published applications in this corpus.
Search patents in C09K- Granted patents
- 173
- Published applications
- 149
- Assignees
- 97
- Inventors
- 375
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 2 |
| 2002 | 2 | 2 |
| 2003 | 7 | 8 |
| 2004 | 5 | 7 |
| 2005 | 3 | 9 |
| 2006 | 11 | 7 |
| 2007 | 5 | 8 |
| 2008 | 4 | 4 |
| 2009 | 9 | 0 |
| 2010 | 2 | 3 |
| 2011 | 1 | 5 |
| 2012 | 2 | 1 |
| 2013 | 2 | 2 |
| 2014 | 5 | 5 |
| 2015 | 3 | 3 |
| 2016 | 3 | 3 |
| 2017 | 2 | 4 |
| 2018 | 3 | 7 |
| 2019 | 5 | 8 |
| 2020 | 7 | 14 |
| 2021 | 8 | 7 |
| 2022 | 10 | 9 |
| 2023 | 8 | 17 |
| 2024 | 7 | 9 |
| 2025 | 4 | 4 |
| 2026 | 8 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electroluminescent element, light-emitting device, and method for producing electroluminescent element15 Sep 2026US 12,740,223 B2Sharp Kabushiki Kaisha
- Light-emitting device and electronic apparatus including the same15 Sep 2026US 12,740,230 B2Samsung Display Co., Ltd.
- Light emitting element and manufacturing method thereof25 Aug 2026US 12,716,025 B2Samsung Display Co., Ltd.
- Thermal barrier coatings21 Jul 2026US 12,686,816 B2General Electric Company
- Light emitting element and manufacturing method thereof5 May 2026US 12,618,005 B2Samsung Display Co., Ltd.
- Semiconductor nanoparticle, production method thereof,electroluminescent device, production method thereof, and display including the same29 Jan 2026US 2026/0033233 A1Samsung Electronics Co., Ltd.
- Composition, light-emitting device using the composition, and electronic apparatus including the light-emitting device19 Jun 2025US 2025/0197719 A1Samsung Display Co., Ltd.
- Light emitting element, display device including the light emitting element, and method of manufacturing the light emitting element1 May 2025US 2025/0136862 A1Samsung Display Co., Ltd.
- Quantum dot and electroluminescent element13 Mar 2025US 2025/0084305 A1Sharp Kabushiki Kaisha
- Quantum-dot-containing composition, light-emitting element, display device, and method for manufacturing quantum-dot-containing composition13 Feb 2025US 2025/0056922 A1Sharp Display Technology Corporation
Most cited
By later US patents
- Luminescent nanoparticles and methods for their preparation226US 6,815,064 B2Quantum Dot Corporation · 2004
- Fluorescent ink compositions comprising functionalized fluorescent nanocrystals142US 6,576,155 B1BioCrystal, Ltd. · 2003
- Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same135US 6,180,029 B2Superior MicroPowders LLC · 2001
- Phosphors having a semiconductor host surrounded by a shell116US 5,985,173 A1999
- Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same110US 6,153,123 ASuperior MicroPowders LLC · 2000