C23C 14/0652
Silicon nitride
Official title: {Silicon nitride}
C23C14/0652 (Silicon nitride) appears on 258 US grants and 306 published applications in this corpus.
Search patents in C23C- Granted patents
- 258
- Published applications
- 306
- Assignees
- 174
- Inventors
- 606
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 7 |
| 2003 | 3 | 6 |
| 2004 | 3 | 10 |
| 2005 | 3 | 6 |
| 2006 | 3 | 10 |
| 2007 | 7 | 9 |
| 2008 | 6 | 3 |
| 2009 | 2 | 8 |
| 2010 | 8 | 8 |
| 2011 | 2 | 6 |
| 2012 | 8 | 10 |
| 2013 | 10 | 10 |
| 2014 | 7 | 9 |
| 2015 | 8 | 13 |
| 2016 | 11 | 18 |
| 2017 | 16 | 15 |
| 2018 | 14 | 26 |
| 2019 | 19 | 23 |
| 2020 | 21 | 28 |
| 2021 | 9 | 13 |
| 2022 | 11 | 22 |
| 2023 | 16 | 12 |
| 2024 | 9 | 16 |
| 2025 | 21 | 13 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Particle removal during fabrication of electrochromic devices4 Aug 2026US 12,699,296 B2View Operating Corporation
- Reactive-ion deposition processes for dielectric material formation14 Jul 2026US 12,685,043 B2APPLIED Materials.Inc.
- Element comprising a transparent substrate and a multi-layer wear protection coating with adjusted reflectance7 Jul 2026US 12,674,915 B2Schott AG
- Optical article comprising a light absorbing compound and a corresponding manufacturing method16 Jun 2026US 12,656,533 B2Essilor International
- Coated cutting tool26 May 2026US 12,636,707 B2AB Sandvik Coromant
- Surface-coated cutting tool13 Aug 2026US 2026/0234784 A1Mitsubishi Materials Corporation
- Heat-Treatable Coating with Blocking Layer Having Reduced Color Shift6 Aug 2026US 2026/0226603 A1Vitro Flat Glass LLC
- Immersion exposure tool11 Jun 2026US 2026/0161097 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Non-dichroic thin film coatings23 Apr 2026US 2026/0108913 A1Lockheed Martin Corporation
- Transparent substrate provided with a functional stack of thin layers25 Dec 2025US 2025/0388511 A1
Most cited
By later US patents
- Heat treatable low-E coated articles and methods of making same275US 6,576,349 B2Centre Luxembourgeois de Recherches pour le Verra et la Ceramique S.A.(C.R.V.C.) · 2003
- High performance, durable, low-E glass193US 5,344,718 AGuardian Industries Corp. · 1994
- Matchable, heat treatable, durable, IR-reflecting sputter-coated glasses and method of making same149US 5,688,585 AGuardian Industries Corp. · 1997
- Method of making high performance, durable, low-e glass129US 5,425,861 AGuardian Industries Corp. · 1995
- Heat treatable low-E coated articles and methods of making same123US 6,686,050 B2Centre Luxembourgeois de Recherches pour le Verre et la Ceramique S.A. (C.R.V.C.) · 2004