C04B 41/5063
Aluminium nitride
Official title: {Aluminium nitride}
C04B41/5063 (Aluminium nitride) appears on 37 US grants and 40 published applications in this corpus.
Search patents in C04B- Granted patents
- 37
- Published applications
- 40
- Assignees
- 27
- Inventors
- 95
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 6 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 3 |
| 2012 | 4 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 3 | 3 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 3 | 3 |
| 2023 | 2 | 4 |
| 2024 | 3 | 5 |
| 2025 | 1 | 2 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wear resistant coating produced from at least two different AlCr-based targets6 Oct 2026US 12,753,484 B2Oerlikon Surface Solutions AG, PfäFfikon
- Composite ceramic substrate having multi-layer configuration29 Sep 2026US 12,747,191 B2Tong Hsing Electronic Industries, Ltd.
- Coating layer with slow SIO2 crystallization rate14 Jul 2026US 12,679,782 B2ROLLS-ROYCE plc
- Electrostatic chuck, electrostatic chuck heater comprising same, and semiconductor holding device10 Feb 2026US 12,545,630 B2Amosense Co., Ltd.
- Cutting tool3 Jun 2025US 12,319,996 B2Sumitomo Electric Hardmetal Corp.
- Improved aluminum-containing nitride ceramic matrix composite, method of making, and method of use20 Aug 2026US 2026/0242660 A1SLT Technologies, Inc.
- Ceramic structure5 Feb 2026US 2026/0035308 A1KYOCERA Corporation
- Ceramics with adaptive thermal coefficients and high fluorine resistance at high temperatures11 Dec 2025US 2025/0376421 A1APPLIED Materials.Inc.
- Coated cutting tool20 Mar 2025US 2025/0091135 A1Tungaloy Corporation
- Composite ceramic substrate having multi-layer configuration31 Oct 2024US 2024/0360043 A1Tong Hsing Electronic Industries, Ltd.
Most cited
By later US patents
- Epitaxial crystalline aluminium nitride15US 4,189,516 ANational Research Development Corporation · 1980
- Ceramic substrate for mounting a light emitting element and method for manufacturing the same14US 7,825,422 B2Tokuyama Corporation · 2010
- A1N coated silicon nitride based cutting tools12US 4,892,792 AGTE Laboratories Incorporated · 1990
- Coating structure and method12US 8,247,080 B2Momentive Performance Materials Inc. · 2012
- Method of making a SiAION ceramic10US 7,223,709 B2Kennametal Inc. · 2007