C09K 11/572
Chalcogenides
Official title: {Chalcogenides}
C09K11/572 (Chalcogenides) appears on 149 US grants and 148 published applications in this corpus.
Search patents in C09K- Granted patents
- 149
- Published applications
- 148
- Assignees
- 114
- Inventors
- 402
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 3 |
| 2003 | 5 | 6 |
| 2004 | 0 | 10 |
| 2005 | 4 | 9 |
| 2006 | 9 | 8 |
| 2007 | 6 | 12 |
| 2008 | 9 | 6 |
| 2009 | 4 | 16 |
| 2010 | 2 | 11 |
| 2011 | 5 | 7 |
| 2012 | 6 | 5 |
| 2013 | 4 | 5 |
| 2014 | 6 | 1 |
| 2015 | 5 | 6 |
| 2016 | 2 | 6 |
| 2017 | 6 | 2 |
| 2018 | 3 | 4 |
| 2019 | 4 | 7 |
| 2020 | 2 | 5 |
| 2021 | 4 | 3 |
| 2022 | 5 | 3 |
| 2023 | 2 | 7 |
| 2024 | 11 | 4 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for synchronized light and sound emissions24 Feb 2026US 12,563,648 B2Agency for Science, Technology and Research
- Inorganic TFEL display element and manufacturing method17 Jun 2025US 12,336,063 B2Lumineq Oy
- Display element and method for manufacturing a display element8 Apr 2025US 12,273,967 B2Lumineq Oy
- Planar inverted perovskite solar cell3 Dec 2024US 12,157,678 B1King Fahd University of Petroleum and Minerals
- Mesoscopic inverted perovskite solar cell19 Nov 2024US 12,145,858 B1King Fahd University of Petroleum and Minerals
- Inorganic tfel display element and manufacturing method24 Oct 2024US 2024/0357717 A1Lumineq Oy
- Method of Forming an Alkaline-Earth Metal Selenide and/or Sulfide Compound17 Oct 2024US 2024/0343976 A1City University of Hong Kong
- Device and Method for Synchronized Light and Sound Emissions29 Aug 2024US 2024/0287380 A1Agency for Science, Technology and Research
- Phosphor, light emitting device, lighting device, image display device, indicator lamp for vehicles1 Aug 2024US 2024/0258468 A1Mitsubishi Chemical Corporation
- Electronic device7 Sep 2023US 2023/0284480 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- Encapsulated quantum sized doped semiconductor particles and method of manufacturing same168US 6,048,616 APhilips Electronics N. A. Corporation · 2000
- Manganese doped upconversion luminescence nanoparticles136US 7,008,559 B2Nomadics, Inc. · 2006
- Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same135US 6,180,029 B2Superior MicroPowders LLC · 2001
- Method of growing a ZnS:Mn phosphor layer for use in thin-film electroluminescent components132US 6,113,977 APlanar International Oy · 2000
- Method of manufacturing encapsulated doped particles127US 5,525,377 AU. S. Philips Corporation · 1996