C04B 35/48
Based on zirconium or hafnium oxides, zirconates, zircon or hafnates
Official title: based on zirconium or hafnium oxides, zirconates, {zircon} or hafnates
C04B35/48 (Based on zirconium or hafnium oxides, zirconates, zircon or hafnates) appears on 2,997 US grants and 3,119 published applications in this corpus.
Search patents in C04B- Granted patents
- 2,997
- Published applications
- 3,119
- Assignees
- 1,227
- Inventors
- 6,694
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 21 | 0 |
| 1978 | 11 | 0 |
| 1979 | 10 | 0 |
| 1980 | 14 | 0 |
| 1981 | 16 | 0 |
| 1982 | 15 | 0 |
| 1983 | 10 | 0 |
| 1984 | 7 | 0 |
| 1985 | 22 | 0 |
| 1986 | 32 | 0 |
| 1987 | 31 | 0 |
| 1988 | 43 | 0 |
| 1989 | 49 | 0 |
| 1990 | 45 | 0 |
| 1991 | 73 | 0 |
| 1992 | 63 | 0 |
| 1993 | 38 | 0 |
| 1994 | 39 | 0 |
| 1995 | 37 | 0 |
| 1996 | 27 | 0 |
| 1997 | 42 | 0 |
| 1998 | 53 | 0 |
| 1999 | 50 | 0 |
| 2000 | 45 | 0 |
| 2001 | 40 | 13 |
| 2002 | 45 | 45 |
| 2003 | 47 | 64 |
| 2004 | 51 | 91 |
| 2005 | 42 | 91 |
| 2006 | 47 | 95 |
| 2007 | 52 | 99 |
| 2008 | 47 | 119 |
| 2009 | 70 | 126 |
| 2010 | 92 | 144 |
| 2011 | 91 | 102 |
| 2012 | 77 | 97 |
| 2013 | 76 | 111 |
| 2014 | 85 | 118 |
| 2015 | 79 | 123 |
| 2016 | 101 | 131 |
| 2017 | 105 | 152 |
| 2018 | 111 | 164 |
| 2019 | 125 | 184 |
| 2020 | 140 | 162 |
| 2021 | 112 | 163 |
| 2022 | 111 | 173 |
| 2023 | 125 | 158 |
| 2024 | 126 | 171 |
| 2025 | 110 | 134 |
| 2026 | 82 | 89 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ceramic, probe guiding member, probe card and socket for package inspection6 Oct 2026US 12,753,124 B2Ferrotec Material Technologies Corporation
- Zirconia composition, pre-sintered body and sintered body, and method of producing the same15 Sep 2026US 12,735,362 B2Kuraray Noritake Dental Inc.
- Methods of making nanopowders, nanoceramic materials and nanoceramic components15 Sep 2026US 12,735,363 B2APPLIED Materials.Inc.
- Plasma-resistant ceramic substrate and method of manufacturing the same8 Sep 2026US 12,729,163 B2Korea Institute of Ceramic Engineering and Technology
- Zirconia composition, partially sintered material and sintered material and methods for production thereof, and laminate25 Aug 2026US 12,714,651 B2Kuraray Noritake Dental Inc.
- Silver-containing zirconia sintered body, silver-containing stabilized zirconia powder, method for producing silver-containing stabilized zirconia powder, and method for producing silver-containing zirconia sintered body8 Oct 2026US 2026/0308069 A1Daiichi Kigenso Kagaku Kogyo Co., Ltd.
- Process for improving flash sintering of ceramics and improved ceramics8 Oct 2026US 2026/0308072 A1The Regents of the University of Colorado, a body corporate
- Dielectric composition, dielectric element, electronic device, and multilayer electronic device1 Oct 2026US 2026/0296978 A1TDK Corporation
- Dielectric ceramic composition and multilayer ceramic electronic device1 Oct 2026US 2026/0296979 A1TDK Corporation
- Multilayer ceramic electronic device24 Sep 2026US 2026/0285764 A1TDK Corporation
Most cited
By later US patents
- Ceramic ferroelectric composite material - BSTO-MgO321US 5,427,988 AThe United States of America as represented by the Secretary of the Army · 1995
- Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production242US 6,013,591 AMassachusetts Institute of Technology · 2000
- Ceramic ferroelectric material191US 5,312,790 AThe United States of America as represented by the Secretary of the Army · 1994
- Ceramic ferroelectric composite material - BSTO-ZrO.sub.2180US 5,486,491 AThe United States of America as represented by the Secretary of the Army · 1996
- Alumina-zirconia abrasive165US 4,457,767 ANorton Company · 1984