C04B 2237/348
Zirconia, hafnia, zirconates or hafnates
C04B2237/348 (Zirconia, hafnia, zirconates or hafnates) appears on 738 US grants and 714 published applications in this corpus.
Search patents in C04B- Granted patents
- 738
- Published applications
- 714
- Assignees
- 380
- Inventors
- 1,864
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 11 | 0 |
| 1988 | 10 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 15 | 0 |
| 1992 | 19 | 0 |
| 1993 | 7 | 0 |
| 1994 | 13 | 0 |
| 1995 | 13 | 0 |
| 1996 | 10 | 0 |
| 1997 | 16 | 0 |
| 1998 | 11 | 0 |
| 1999 | 15 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 2 |
| 2002 | 16 | 24 |
| 2003 | 19 | 24 |
| 2004 | 18 | 19 |
| 2005 | 11 | 19 |
| 2006 | 11 | 17 |
| 2007 | 17 | 18 |
| 2008 | 10 | 16 |
| 2009 | 14 | 21 |
| 2010 | 11 | 27 |
| 2011 | 10 | 15 |
| 2012 | 17 | 29 |
| 2013 | 13 | 32 |
| 2014 | 15 | 25 |
| 2015 | 29 | 25 |
| 2016 | 22 | 36 |
| 2017 | 28 | 52 |
| 2018 | 21 | 24 |
| 2019 | 29 | 44 |
| 2020 | 38 | 50 |
| 2021 | 27 | 45 |
| 2022 | 14 | 36 |
| 2023 | 37 | 38 |
| 2024 | 37 | 31 |
| 2025 | 40 | 31 |
| 2026 | 14 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Zirconia composition, partially sintered material and sintered material and methods for production thereof, and laminate25 Aug 2026US 12,714,651 B2Kuraray Noritake Dental Inc.
- Bonded body, ceramic-copper circuit board, and semiconductor device26 May 2026US 12,642,091 B2Niterra Materials Co., Ltd.
- Functionally graded firing setters and process for manufacturing these setters12 May 2026US 12,623,968 B2
- Carbon-ceramic composites, electrode comprising the same and secondary battery comprising the electrode12 May 2026US 12,626,959 B2SK On Co., Ltd.
- Ceramic electrode, assembly comprising the ceramic electrode, arrangement comprising the ceramic electrode, and method of manufacturing a ceramic electrode28 Apr 2026US 12,611,537 B2TDK Electronics Co., Ltd.
- Multilayer ceramic electronic device24 Sep 2026US 2026/0285764 A1TDK Corporation
- Apparatus and method for manufacturing a dental milling block with a graduated color and/or translucency profile27 Aug 2026US 2026/0248599 A1The Argen Corporation
- High green density ceramics for battery20 Aug 2026US 2026/0245957 A1QuantumScape Battery, Inc.
- Carbon-ceramic composites, electrode comprising the same and secondary battery comprising the electrode20 Aug 2026US 2026/0245988 A1SK On Co., Ltd.
- Method for producing a ceramic component9 Jul 2026US 2026/0192490 A1Manufacture D'Horlogerie Audemars Piguet SA
Most cited
By later US patents
- Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members455US 6,783,875 B2NGK Insulators, Ltd. · 2004
- Integrated multilayered microfludic devices and methods for making the same242US 6,572,830 B1Motorola, Inc. · 2003
- Multilayered microfluidic DNA analysis system and method238US 6,544,734 B12003
- Multilayered ferroelectric composite waveguides216US 5,830,591 A1998
- Electronically graded multilayer ferroelectric composites189US 5,693,429 AThe United States of America as represented by the Secretary of the Army · 1997