C09K 11/77927
Silicon nitrides or silicon oxynitrides
Official title: {Silicon Nitrides or Silicon Oxynitrides}
C09K11/77927 (Silicon nitrides or silicon oxynitrides) appears on 31 US grants and 39 published applications in this corpus.
Search patents in C09K- Granted patents
- 31
- Published applications
- 39
- Assignees
- 37
- Inventors
- 138
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 3 |
| 2011 | 1 | 5 |
| 2012 | 2 | 2 |
| 2013 | 1 | 3 |
| 2014 | 4 | 2 |
| 2015 | 1 | 3 |
| 2016 | 2 | 4 |
| 2017 | 3 | 1 |
| 2018 | 4 | 2 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 3 |
| 2022 | 2 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 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
- LED white light device, preparation method thereof, and LED backlight module12 Sep 2023US 11,757,069 B2Foshan Nationstar Optoelectronics Co., Ltd.
- Light-emitting device2 May 2023US 11,641,009 B2National Institute for Materials Science
- Nitride luminescent material and light emitting device comprising same1 Nov 2022US 11,485,907 B2Grirem Advanced Materials Co., Ltd.
- Phosphor, method for producing a phosphor, use of a phosphor and optoelectronic component27 Aug 2026US 2026/0250573 A1ams-OSRAM International GmbH
- 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
- Nitride Luminescent Material and Light Emitting Device Comprising Same30 Dec 2021US 2021/0403808 A1Grirem Advanced Materials Co., Ltd.
- Light-emitting device12 Aug 2021US 2021/0249569 A1National Institute for Materials Science
Most cited
By later US patents
- Phosphor materials and related devices17US 8,703,016 B2General Electric Company · 2014
- Carbidonitridosilicate luminescent substance13US 8,007,683 B2Leuchtstoffwerk Breitungen GmbH · 2011
- Nitridosilicates co-doped with zirconium and hafnium13US 9,028,716 B2Merck Patent GmbH · 2015
- Co-doped silicooxynitrides11US 8,721,925 B2Merck Patent GmbH · 2014
- Oxynitride fluorescent material and light-emitting device9US 7,470,378 B2National Institute for Materials Science · 2008