C04B 35/58028
Based on zirconium or hafnium nitrides
Official title: {based on zirconium or hafnium nitrides}
C04B35/58028 (Based on zirconium or hafnium nitrides) appears on 104 US grants and 76 published applications in this corpus.
Search patents in C04B- Granted patents
- 104
- Published applications
- 76
- Assignees
- 75
- Inventors
- 272
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 3 | 1 |
| 2004 | 3 | 4 |
| 2005 | 1 | 4 |
| 2006 | 0 | 3 |
| 2007 | 2 | 2 |
| 2008 | 0 | 3 |
| 2009 | 4 | 2 |
| 2010 | 1 | 4 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 2 | 3 |
| 2014 | 1 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 5 | 6 |
| 2019 | 3 | 6 |
| 2020 | 5 | 5 |
| 2021 | 6 | 7 |
| 2022 | 5 | 7 |
| 2023 | 3 | 3 |
| 2024 | 5 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preparation method of sub-micron powder of high-entropy nitride via nitride thermal reduction with soft mechano-chemical assistance7 Apr 2026US 12,595,213 B2North Minzu University
- Membrane-perovskite films, devices, and methods of preparation29 Jul 2025US 12,372,672 B2The University of North Carolina at Chapel Hill
- Scratch-resistant coating for glass ceramic cooktop11 Mar 2025US 12,246,985 B2Whirlpool Corporation
- Sintered material and cutting tool including same27 Aug 2024US 12,070,802 B2Sumitomo Electric Industries, Ltd.
- Formulations with active functional additives for 3D printing of preceramic polymers, and methods of 3D-printing the formulations30 Jul 2024US 12,049,427 B2HRL Laboratories, LLC
- Conductive ceramic composites for high temperature thermal energy storage15 Jan 2026US 2026/0015293 A1The Regents of the University of California
- Scratch-resistant coating for glass ceramic cooktop22 May 2025US 2025/0162929 A1Whirlpool Corporation
- Preparation method of sub-micron powder of high-entropy nitride via nitride thermal reduction with soft mechano-chemical assistance18 Apr 2024US 2024/0124365 A1North Minzu University
- Membrane-perovskite films, devices, and methods of preparation4 Apr 2024US 2024/0111066 A1The University of North Carolina at Chapel Hill
- Item made of ceramic21 Sep 2023US 2023/0295053 A1The Swatch Group Research and Development Ltd
Most cited
By later US patents
- Process for producing fiber reinforced composite74US 5,876,659 AHitachi, Ltd. · 1999
- Methods of making composite ceramic articles having embedded filler71US 4,851,375 ALanxide Technology Company, LP · 1989
- Electroconductive ceramics68US 4,528,121 AHitachi, Ltd. · 1985
- Fibrous material for composite materials, fiber-reinforced composite materials produced therefrom, and process for producing same50US 4,961,990 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1990
- Composite ceramics and method of making the same38US 4,923,829 AHitachi, Ltd. · 1990