C09K 11/642
With zinc or cadmium
Official title: {with zinc or cadmium}
C09K11/642 (With zinc or cadmium) appears on 154 US grants and 139 published applications in this corpus.
Search patents in C09K- Granted patents
- 154
- Published applications
- 139
- Assignees
- 90
- Inventors
- 454
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 3 |
| 2002 | 4 | 5 |
| 2003 | 9 | 5 |
| 2004 | 4 | 8 |
| 2005 | 5 | 15 |
| 2006 | 10 | 18 |
| 2007 | 3 | 19 |
| 2008 | 10 | 9 |
| 2009 | 11 | 14 |
| 2010 | 11 | 8 |
| 2011 | 6 | 7 |
| 2012 | 8 | 3 |
| 2013 | 2 | 5 |
| 2014 | 5 | 2 |
| 2015 | 1 | 4 |
| 2016 | 2 | 0 |
| 2017 | 0 | 2 |
| 2018 | 2 | 2 |
| 2019 | 3 | 2 |
| 2020 | 0 | 1 |
| 2021 | 3 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light emitting nanocrystals and methods of making light emitting nanocrystals14 Oct 2025US 12,441,939 B2Massachusetts Institute of Technology
- Cadmium-free quantum dots, tunable quantum dots, quantum dot containing polymer, articles, films, and 3D structure containing them and methods of making and using them15 Oct 2024US 12,116,518 B2Tectus Corporation
- Cadmium-free quantum dots, tunable quantum dots, quantum dot containing polymer, articles, films, and 3D structure containing them and methods of making and using them2 Jan 2024US 11,859,118 B2Tectus Corporation
- Quantum dot17 Oct 2023US 11,788,004 B2Stanley Electric Co., Ltd.
- Capped co-doped core/shell nanocrystals for visible light emission12 Oct 2021US 11,142,692 B2The Regents of the University of California
- Light emitting nanocrystals and methods of making light emitting nanocrystals5 Feb 2026US 2026/0035615 A1Massachusetts Institute of Technology
- Nanocrystal particles and production method thereof30 May 2024US 2024/0174921 A1Centre National De La Recherche Scientifique
- Cadmium-free quantum dots, tunable quantum dots, quantum dot containing polymer, articles, films, and 3d structure containing them and methods of making and using them7 Mar 2024US 2024/0076546 A1Tectus Corporation
- Cadmium-free quantum dots, tunable quantum dots, quantum dot containing polymer, articles, films, and 3d structure containing them and methods of making and using them22 Jun 2023US 2023/0193130 A1Tectus Corporation
- Quantum dot-ligand composite, photosensitive resin composition, optical film, electroluminescent diode, and electronic device25 May 2023US 2023/0165028 A1Duk San Neolux Co., Ltd.
Most cited
By later US patents
- Lighting system590US 6,234,648 B1U. S. Philips Corporation · 2001
- Light-emitting device having light-reflective layer formed with, or/and adjacent to, material that enhances device performance211US 6,630,786 B2Candescent Intellectual Property Services, Inc. · 2003
- 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
- Aerosol method and apparatus, particulate products, and electronic devices made therefrom76US 6,338,809 B12002