C09K 11/582
Chalcogenides
Official title: {Chalcogenides}
C09K11/582 (Chalcogenides) appears on 270 US grants and 311 published applications in this corpus.
Search patents in C09K- Granted patents
- 270
- Published applications
- 311
- Assignees
- 175
- Inventors
- 724
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 12 | 4 |
| 2002 | 7 | 13 |
| 2003 | 11 | 18 |
| 2004 | 17 | 22 |
| 2005 | 7 | 25 |
| 2006 | 17 | 21 |
| 2007 | 16 | 37 |
| 2008 | 15 | 11 |
| 2009 | 8 | 16 |
| 2010 | 12 | 14 |
| 2011 | 9 | 15 |
| 2012 | 8 | 8 |
| 2013 | 8 | 6 |
| 2014 | 12 | 11 |
| 2015 | 1 | 6 |
| 2016 | 6 | 9 |
| 2017 | 3 | 4 |
| 2018 | 9 | 11 |
| 2019 | 8 | 6 |
| 2020 | 5 | 3 |
| 2021 | 5 | 7 |
| 2022 | 5 | 5 |
| 2023 | 7 | 13 |
| 2024 | 8 | 15 |
| 2025 | 7 | 8 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light emitting element and manufacturing method thereof25 Aug 2026US 12,716,025 B2Samsung Display Co., Ltd.
- Light emitting element and manufacturing method thereof5 May 2026US 12,618,005 B2Samsung Display Co., Ltd.
- Device and method for synchronized light and sound emissions24 Feb 2026US 12,563,648 B2Agency for Science, Technology and Research
- Doped-nanoparticle photochromic heterostructures30 Dec 2025US 12,509,624 B1HRL Laboratories, LLC
- Security feature and method for the detection thereof, and security or value document25 Nov 2025US 12,479,231 B2
- Method for preparing quantum dot, quantum dot, optical member including the quantum dot, and electronic apparatus including the quantum dot14 May 2026US 2026/0132331 A1Samsung Display Co., Ltd.
- Electro-opto-acoustic composition and electro-opto-acoustic device7 May 2026US 2026/0126674 A1Korea University of Technology and Education Industry-University Cooperation Foundation
- Method of manufacturing quantum dot, quantum dot, and electronic device including the same26 Feb 2026US 2026/0055317 A1Hongik University Industry-Academia Cooperation Foundation
- Quantum dot and method for producing the same25 Dec 2025US 2025/0388813 A1Toppan Inc.
- Wireless and battery-free touch-responsive luminescent fiber, preparation method, and use thereof9 Oct 2025US 2025/0313999 A1First Fiber (Suzhou) Technology Co., Ltd.
Most cited
By later US patents
- Lighting system590US 6,234,648 B1U. S. Philips Corporation · 2001
- Light emission device and method utilizing multiple emitters and multiple phosphors291US 7,564,180 B2Cree, Inc. · 2009
- Luminescent gel coats and moldable resins190US 6,207,077 B1Orion 21 A.D. PTY LTD · 2001
- 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