C04B 2235/3869
Aluminium oxynitrides
Official title: Aluminium oxynitrides, e.g. AlON, sialon
C04B2235/3869 (Aluminium oxynitrides) appears on 126 US grants and 160 published applications in this corpus.
Search patents in C04B- Granted patents
- 126
- Published applications
- 160
- Assignees
- 95
- Inventors
- 322
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 4 |
| 2003 | 2 | 5 |
| 2004 | 3 | 5 |
| 2005 | 1 | 12 |
| 2006 | 8 | 14 |
| 2007 | 13 | 7 |
| 2008 | 3 | 4 |
| 2009 | 3 | 8 |
| 2010 | 2 | 7 |
| 2011 | 3 | 3 |
| 2012 | 2 | 7 |
| 2013 | 9 | 6 |
| 2014 | 4 | 4 |
| 2015 | 7 | 7 |
| 2016 | 7 | 2 |
| 2017 | 5 | 11 |
| 2018 | 6 | 8 |
| 2019 | 8 | 5 |
| 2020 | 4 | 9 |
| 2021 | 4 | 2 |
| 2022 | 4 | 5 |
| 2023 | 4 | 8 |
| 2024 | 1 | 2 |
| 2025 | 9 | 9 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of forming siAlON in carbon/carbon composites13 Jan 2026US 12,522,543 B2Goodrich Corporation
- Filter comprising a silicone carbide separator layer30 Dec 2025US 12,508,552 B2Saint-Gobain Centre De Recherches Et D ' Etudes Europeen
- Phosphor plate and light emitting device30 Sep 2025US 12,428,594 B2Denka Company Limited
- Cubic boron nitride sintered material and cutting tool9 Sep 2025US 12,410,103 B2Sumitomo Electric Hardmetal Corp.
- Cutting tool15 Jul 2025US 12,358,843 B2Ntk Cutting Tools Co., Ltd.
- Aluminum nitride sintered body27 Aug 2026US 2026/0250205 A1NGK Corporation
- Improved aluminum-containing nitride ceramic matrix composite, method of making, and method of use20 Aug 2026US 2026/0242660 A1SLT Technologies, Inc.
- Refractory material, method for producing same, and use thereof23 Jul 2026US 2026/0209125 A1
- Method for manufacturing sintered compact and sintered compact5 Mar 2026US 2026/0062356 A1Nichia Corporation
- Silicon nitride-type sintered body, bearing rolling element, silicon nitride-type blank ball, and bearing12 Feb 2026US 2026/0042709 A1AGC Inc.
Most cited
By later US patents
- Methods of making composite ceramic articles having embedded filler71US 4,851,375 ALanxide Technology Company, LP · 1989
- Oxynitride phosphor activated by a rare earth element, and sialon type phosphor47US 6,632,379 B2National Institute for Materials Science · 2003
- Phosphor and production method of the same, method of shifting emission wavelength of phosphor, and light source and LED31US 7,273,568 B2Dowa Mining Co., Ltd. · 2007
- Composite powder particle, composite body and method of preparation25US 5,672,382 ASumitomo Electric Industries, Ltd. · 1997
- Composite ceramic sintered body and process for production thereof19US 5,132,257 AHitachi, Ltd. · 1992