C09K 11/621
Chalcogenides
Official title: {Chalcogenides}
C09K11/621 (Chalcogenides) appears on 282 US grants and 388 published applications in this corpus.
Search patents in C09K- Granted patents
- 282
- Published applications
- 388
- Assignees
- 160
- Inventors
- 784
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 4 |
| 2002 | 4 | 3 |
| 2003 | 8 | 9 |
| 2004 | 6 | 8 |
| 2005 | 3 | 15 |
| 2006 | 13 | 9 |
| 2007 | 6 | 24 |
| 2008 | 7 | 9 |
| 2009 | 18 | 14 |
| 2010 | 5 | 9 |
| 2011 | 3 | 8 |
| 2012 | 9 | 9 |
| 2013 | 10 | 13 |
| 2014 | 8 | 5 |
| 2015 | 6 | 7 |
| 2016 | 3 | 14 |
| 2017 | 11 | 14 |
| 2018 | 5 | 13 |
| 2019 | 11 | 18 |
| 2020 | 19 | 26 |
| 2021 | 18 | 25 |
| 2022 | 12 | 12 |
| 2023 | 16 | 32 |
| 2024 | 19 | 35 |
| 2025 | 20 | 30 |
| 2026 | 13 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- I-III-VI based quantum dots and fabrication method thereof29 Sep 2026US 12,747,388 B2Samsung SDI.Co., Ltd.
- Semiconductor nanoparticle-including silver, indium, galium, and sulfur, color conversion panel including the same, and electronic device including the same25 Aug 2026US 12,716,027 B2Samsung Display Co., Ltd.
- Display panel and electronic apparatus including the same25 Aug 2026US 12,720,994 B2Samsung Display Co., Ltd.
- Semiconductor nanoparticle, and color conversion panel and electronic device including the same7 Jul 2026US 12,674,094 B2Samsung Display Co., Ltd.
- Electroluminescent device and a display device including the same2 Jun 2026US 12,648,292 B2Samsung Display Co., Ltd.
- Fluorescent body powder, fluorescent body resin composition, fluorescent body, light-emitting element, and light-emitting device17 Sep 2026US 2026/0275189 A1Mitsui Mining & Smelting Co., Ltd.
- Compounds27 Aug 2026US 2026/0250572 A1
- Quantum dot and electronic apparatus including same13 Aug 2026US 2026/0239851 A1Samsung Display Co., Ltd.
- Quantum dot, quantum dot-containing sheet and method of manufacturing the same, and backlight device or display device6 Aug 2026US 2026/0226345 A1Toppan Holdings Inc.
- Quantum Dot, Electronic Apparatus and Electronic Equipment Including the Quantum Dot, and Method of Preparing Quantum Dot30 Jul 2026US 2026/0223526 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- Light emission device and method utilizing multiple emitters and multiple phosphors291US 7,564,180 B2Cree, Inc. · 2009
- Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same135US 6,180,029 B2Superior MicroPowders LLC · 2001
- Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same110US 6,153,123 ASuperior MicroPowders LLC · 2000
- Electrocatalyst powders, methods for producing powders and devices fabricated from same88US 6,660,680 B1Superior MicroPowders LLC · 2003
- Coated nickel-containing powders, methods and apparatus for producing such powders and devices fabricated from same85US 7,384,447 B2Cabot Corporation · 2008