C04B 41/5064
Boron nitride
Official title: {Boron nitride}
C04B41/5064 (Boron nitride) appears on 51 US grants and 41 published applications in this corpus.
Search patents in C04B- Granted patents
- 51
- Published applications
- 41
- Assignees
- 48
- Inventors
- 145
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 0 |
| 2004 | 2 | 4 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 2 | 3 |
| 2017 | 0 | 2 |
| 2018 | 2 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 3 |
| 2021 | 2 | 3 |
| 2022 | 2 | 2 |
| 2023 | 2 | 4 |
| 2024 | 0 | 4 |
| 2025 | 1 | 2 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite ceramic substrate having multi-layer configuration29 Sep 2026US 12,747,191 B2Tong Hsing Electronic Industries, Ltd.
- Multilayer interface coating with thermally-grown oxide for improved durability3 Mar 2026US 12,565,454 B2Rtx Corporation
- Method for making a braking band of a brake disc, method for making the brake disc, brake disc, and braking band for brake disc3 Mar 2026US 12,565,916 B2Brembo S.p.A., Curno
- Cubic boron nitride sintered body and coated cubic boron nitride sintered body27 Jan 2026US 12,534,412 B2Tungaloy Corporation
- Cemented tungsten carbide body and method of forming the cemented tungsten carbide body6 Jan 2026US 12,515,993 B2Diamond Innovations, Inc.
- Conductive ceramic composites for high temperature thermal energy storage15 Jan 2026US 2026/0015293 A1The Regents of the University of California
- Ceramic substrate, ceramic circuit board, semiconductor device, method for producing slurry, and method for applying release agent1 Jan 2026US 2026/0001819 A1Niterra Materials Co., Ltd.
- An article comprising a composite comprising graphite5 Jun 2025US 2025/0178080 A1Foseco International Limited
- 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
- Process for the pyrolytic conversion of a polymeric precursor composition to boron nitride34US 4,971,779 AUniversity of New Mexico · 1990
- Resistance-heated pyrolytic boron nitride coated graphite boat for metal vaporization30US 4,264,803 AUnion Carbide Corporation · 1981
- Composite powder particle, composite body and method of preparation25US 5,672,382 ASumitomo Electric Industries, Ltd. · 1997
- Cubic boron nitride coated material and producing method of the same21US 4,731,303 AToshiba Tungaloy Co., Ltd. · 1988
- Precursor compositions for conversion to boron nitride19US 5,188,757 AUniversity of New Mexico · 1993