C09K 11/77928
Silicon aluminium nitrides or silicon aluminium oxynitrides
Official title: {Silicon Aluminium Nitrides or Silicon Aluminium Oxynitrides}
C09K11/77928 (Silicon aluminium nitrides or silicon aluminium oxynitrides) appears on 48 US grants and 57 published applications in this corpus.
Search patents in C09K- Granted patents
- 48
- Published applications
- 57
- Assignees
- 37
- Inventors
- 122
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 3 |
| 2011 | 5 | 5 |
| 2012 | 3 | 5 |
| 2013 | 7 | 2 |
| 2014 | 2 | 3 |
| 2015 | 3 | 5 |
| 2016 | 1 | 7 |
| 2017 | 9 | 5 |
| 2018 | 5 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 2 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Phosphor powder, wavelength conversion body, and light emitting device15 Sep 2026US 12,735,639 B2Denka Company Limited
- Phosphor, method for producing same and light emitting element13 Feb 2024US 11,898,080 B2National Institute for Materials Science
- Phosphor and light-emitting equipment using phosphor11 Jul 2023US 11,697,765 B2Citizen Electronics Co., Ltd.
- Processing apparatus17 Jan 2023US 11,554,455 B2Disco Corporation
- Nitride fluorescent material and light-emitting device containing same6 Dec 2022US 11,518,935 B2Grirem Advanced Materials Co., Ltd.
- Luminophore, method for the production of a luminophore and radiation-emitting component29 Jan 2026US 2026/0028528 A1ams-OSRAM International GmbH
- Oxonitridoberyllosilicate phosphors3 Oct 2024US 2024/0327706 A1Lumileds LLC
- Phosphor powder, wavelength conversion body, and light emitting device18 Apr 2024US 2024/0124773 A1Denka Company Limited
- Phosphor, Method for Producing Same and Light Emitting Element9 Jun 2022US 2022/0177780 A1National Institute for Materials Science
- Phosphor and light-emitting equipment using phosphor24 Feb 2022US 2022/0056339 A1Citizen Electronics Co., Ltd.
Most cited
By later US patents
- Charge compensated nitride phosphors for use in lighting applications95US 7,262,439 B2Lumination LLC · 2007
- Oxynitride phosphor activated by a rare earth element, and sialon type phosphor47US 6,632,379 B2National Institute for Materials Science · 2003
- Oxynitride phosphor activated by a rare earth element, and sialon type phosphor18US 6,776,927 B2National Institute for Materials Science · 2004
- Cerium and europium doped single crystal phosphors18US 8,119,028 B2Cree, Inc. · 2012
- Phosphor and use thereof18US 8,206,611 B2Independent Administrative Institution National Institute for Materials Science · 2012