C04B 2235/722
Nitrogen content
C04B2235/722 (Nitrogen content) appears on 64 US grants and 92 published applications in this corpus.
Search patents in C04B- Granted patents
- 64
- Published applications
- 92
- Assignees
- 61
- Inventors
- 203
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 5 |
| 2006 | 6 | 3 |
| 2007 | 2 | 6 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 2 | 2 |
| 2011 | 1 | 9 |
| 2012 | 4 | 1 |
| 2013 | 4 | 6 |
| 2014 | 2 | 3 |
| 2015 | 3 | 4 |
| 2016 | 3 | 1 |
| 2017 | 3 | 8 |
| 2018 | 5 | 4 |
| 2019 | 3 | 3 |
| 2020 | 1 | 4 |
| 2021 | 6 | 5 |
| 2022 | 2 | 5 |
| 2023 | 3 | 0 |
| 2024 | 3 | 10 |
| 2025 | 2 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Silicon carbide-containing material, precursor composition and preparation processes thereof5 May 2026US 12,617,688 B2The Yellow SiC Holding GmbH
- Physical vapor transport system comprising a doping capsule with inner and outer crucibles with a capillary channel formed in an inner and outer crucible lid24 Mar 2026US 12,584,239 B2II-Vi Advanced Materials, LLC
- Sintered body, method for producing same, and dielectric composition14 Oct 2025US 12,441,662 B2Murata Manufacturing Co., Ltd.
- Polycrystalline SiC compact and method for manufacturing the same22 Jul 2025US 12,368,026 B2Tokai Carbon Co., Ltd.
- Method for manufacturing high-density artificial graphite electrode12 Nov 2024US 12,139,409 B2Nippon Steel Chemical & Material Co., Ltd.
- Ceramic structure compositions and methods for making the same from algal biomass21 May 2026US 2026/0138924 A1Georgia Southern University Research and Service Foundation, Inc.
- Polycrystalline sic formed body and method for producing the same29 May 2025US 2025/0171927 A1Tokai Carbon Co., Ltd.
- Carbonaceous material, negative electrode for power storage devices, power storage device, and method for producing carbonaceous material30 Jan 2025US 2025/0033970 A1Kuraray Co., Ltd.
- Silicon carbide-containing material, precursor composition and preparation processes thereof19 Dec 2024US 2024/0417267 A1The Yellow SiC Holding GmbH
- Method for synthesizing titanium diboride powder12 Dec 2024US 2024/0409420 A1
Most cited
By later US patents
- Transition metal alloys for use as a gate electrode and devices incorporating these alloys69US 7,030,430 B2Intel Corporation · 2006
- Diamond compact possessing low electrical resistivity12US 5,106,393 AThe Australian National University · 1992
- Silicon carbide powder, method of producing a green body, and method of producing a sintered silicon carbide12US 6,632,761 B1Bridgestone Corporation · 2003
- Silicon carbide shapes and method of producing them11US 4,125,756 AEmerson Electric Co. · 1978
- Silicon carbide fibers essentially devoid of whiskers and products made therefrom11US 7,041,266 B1Advanced Composite Materials Corporation · 2006