C09K 11/77218
Silicon aluminium nitrides or silicon aluminium oxynitrides
Official title: {Silicon Aluminium Nitrides or Silicon Aluminium Oxynitrides}
C09K11/77218 (Silicon aluminium nitrides or silicon aluminium oxynitrides) appears on 57 US grants and 79 published applications in this corpus.
Search patents in C09K- Granted patents
- 57
- Published applications
- 79
- Assignees
- 33
- Inventors
- 84
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 7 |
| 2008 | 1 | 5 |
| 2009 | 4 | 9 |
| 2010 | 3 | 2 |
| 2011 | 8 | 4 |
| 2012 | 6 | 8 |
| 2013 | 8 | 5 |
| 2014 | 2 | 9 |
| 2015 | 5 | 7 |
| 2016 | 3 | 6 |
| 2017 | 3 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 3 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 4 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Phosphor powder, light-emitting device, image display device, and illumination device4 Aug 2026US 12,698,441 B2Denka Company Limited
- Phosphor powder, light-emitting device, image display device, and illumination device17 Mar 2026US 12,577,462 B2Denka Company Limited
- Nitride phosphor and method for producing same8 Apr 2025US 12,269,978 B2Nichia Corporation
- Nitride phosphor and method for producing same28 May 2024US 11,993,739 B2Nichia Corporation
- Phosphor and light-emitting equipment using phosphor11 Jul 2023US 11,697,765 B2Citizen Electronics Co., Ltd.
- Nitride phosphor and method for producing same22 Aug 2024US 2024/0279547 A1Nichia Corporation
- Phosphor, method for producing same, light emitting element and light emitting device18 Jul 2024US 2024/0240081 A1National Institute for Materials Science
- Phosphor powder, light-emitting device, image display device, and illumination device11 Jan 2024US 2024/0010914 A1Denka Company Limited
- Phosphor powder, light-emitting device, image display device, and illumination device4 Jan 2024US 2024/0002721 A1Denka Company Limited
- Phosphor powder, light-emitting device, image display device, and illumination device21 Dec 2023US 2023/0407172 A1Denka Company Limited
Most cited
By later US patents
- Illumination unit having at least one LED as light source105US 6,670,748 B2Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · 2003
- Charge compensated nitride phosphors for use in lighting applications95US 7,262,439 B2Lumination LLC · 2007
- Phosphor composition and method for producing the same, and light-emitting device using the same90US 7,391,060 B2Matsushita Electric Industrial Co., Ltd. · 2008
- Phosphor composition and method for producing the same, and light-emitting device using the same34US 7,507,354 B2Panasonic Corporation · 2009
- Illumination unit having at least one LED as light source23US 6,674,233 B2Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · 2004