C01B 21/068
With silicon
Official title: with silicon
C01B21/068 (With silicon) appears on 303 US grants and 181 published applications in this corpus.
Search patents in C01B- Granted patents
- 303
- Published applications
- 181
- Assignees
- 182
- Inventors
- 695
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 10 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 10 | 0 |
| 1988 | 9 | 0 |
| 1989 | 13 | 0 |
| 1990 | 9 | 0 |
| 1991 | 17 | 0 |
| 1992 | 9 | 0 |
| 1993 | 16 | 0 |
| 1994 | 10 | 0 |
| 1995 | 14 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 2 |
| 2005 | 1 | 4 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 3 | 5 |
| 2010 | 3 | 10 |
| 2011 | 2 | 6 |
| 2012 | 1 | 9 |
| 2013 | 6 | 7 |
| 2014 | 6 | 5 |
| 2015 | 9 | 9 |
| 2016 | 2 | 10 |
| 2017 | 8 | 12 |
| 2018 | 11 | 14 |
| 2019 | 14 | 10 |
| 2020 | 5 | 9 |
| 2021 | 5 | 9 |
| 2022 | 4 | 11 |
| 2023 | 9 | 15 |
| 2024 | 5 | 7 |
| 2025 | 7 | 10 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Silicon nitride substrate, silicon nitride circuit substrate, and evaluation method, evaluation device, and evaluation system for silicon nitride substrate and silicon nitride circuit substrate21 Jul 2026US 12,690,479 B2Proterial, Ltd.
- Method of manufacturing silicon nano-powders and manufacturing equipment implementing such method9 Jun 2026US 12,649,658 B2National Taiwan University
- Silicon nitride powder for sintering17 Mar 2026US 12,577,107 B2Tokuyama Corporation
- Method and system for manufacturing silicon nitride from waste silicon kerf10 Mar 2026US 12,570,531 B1CRS-SPV Inc.
- Antipathogenic fibrous material13 Jan 2026US 12,520,890 B2SINTX Technologies, Inc.
- Method for recycling ceramic sintered body17 Sep 2026US 2026/0274670 A1Kabushiki Kaisha Toshiba
- Deposition material for metalloid nitride film, method of forming metalloid nitride film, and semiconductor substrate and semiconductor device fabricated using the same20 Aug 2026US 2026/0242949 A1
- Antibacterial agent and method for using composition containing silicon nitride as antibacterial agent13 Aug 2026US 2026/0231949 A1Denka Company Limited
- Method and apparatus for producing silicon-containing materials5 Mar 2026US 2026/0062294 A1Schmid Silicon Techn ology GmbH
- Process for producing silicon nitride powder29 Jan 2026US 2026/0028226 A1Tokuyama Corporation
Most cited
By later US patents
- Silicon nitride vacuum furnace process101US 4,970,057 ANorton Company · 1990
- Process for producing ultra-fine ceramic particles84US 4,705,762 AToyota Jidosha Kabushiki Kaisha · 1987
- Apparatus for making nanostructured ceramic powders and whiskers80US 5,514,350 ARutgers, The State University of New Jersey · 1996
- Method for making ultra-fine ceramic particles71US 4,610,857 AToyota Jidosha Kabushiki Kaisha · 1986
- Method of manufacture of nanostructured feeds67US 6,025,034 AThe State University of New Jersey · 2000