C04B 2235/3251
Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof
C04B2235/3251 (Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof) appears on 1,248 US grants and 1,569 published applications in this corpus.
Search patents in C04B- Granted patents
- 1,248
- Published applications
- 1,569
- Assignees
- 523
- Inventors
- 2,891
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 14 | 6 |
| 2002 | 21 | 19 |
| 2003 | 28 | 67 |
| 2004 | 39 | 62 |
| 2005 | 25 | 46 |
| 2006 | 45 | 68 |
| 2007 | 32 | 70 |
| 2008 | 45 | 69 |
| 2009 | 55 | 86 |
| 2010 | 57 | 95 |
| 2011 | 67 | 68 |
| 2012 | 57 | 63 |
| 2013 | 49 | 72 |
| 2014 | 63 | 59 |
| 2015 | 54 | 68 |
| 2016 | 56 | 60 |
| 2017 | 63 | 71 |
| 2018 | 49 | 55 |
| 2019 | 58 | 64 |
| 2020 | 50 | 59 |
| 2021 | 36 | 64 |
| 2022 | 53 | 82 |
| 2023 | 52 | 62 |
| 2024 | 53 | 62 |
| 2025 | 38 | 40 |
| 2026 | 27 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lead-free piezoelectric ceramic composition and piezoelectric element6 Oct 2026US 12,753,122 B2Niterra Co., Ltd.
- Dielectric material and device and memory device comprising the same6 Oct 2026US 12,757,417 B2Samsung Electronics Co., Ltd.
- Ceramic material of ceramic electrode for tumor treating fields and preparation method thereof15 Sep 2026US 12,735,361 B2Hebei Puni Medical Technology Co., Ltd
- Aluminum-doped lithium ion conductor based on a garnet structure18 Aug 2026US 12,712,200 B2Schott AG
- High-entropy carbide ceramic and rare earth-containing high-entropy carbide ceramic, fibers and precursors thereof, and methods for preparing the same11 Aug 2026US 12,703,667 B2Institute of Chemistry, Chinese Academy of Sciences
- Dielectric ceramic, method of preparing the same, and multilayer ceramic capacitor including the same8 Oct 2026US 2026/0311933 A1Samsung Electro-Mechanics Co., Ltd.
- Ferrite composition and magnetic core comprising same17 Sep 2026US 2026/0279633 A1LG Innotek Co., Ltd.
- Stabilized solid garnet electrolyte and methods thereof17 Sep 2026US 2026/0279900 A1Corning Incorporated
- Multi-doped garnet electrolytes27 Aug 2026US 2026/0253946 A1Ion Storage Systems, Inc.
- Ceramic, probe guide component, probe card, and package test socket20 Aug 2026US 2026/0242292 A1Ferrotec Corporation
Most cited
By later US patents
- Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides131US 6,391,275 B1Cabot Corporation · 2002
- Al2O3-Y2O3-ZrO2/HfO2 materials, and methods of making and using the same131US 7,507,268 B23M Innovative Properties Company · 2009
- Dental restorations using nanocrystalline materials and methods of manufacture123US 7,655,586 B1Pentron Ceramics, Inc. · 2010
- Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides120US 6,416,730 B1Cabot Corporation · 2002
- Oxygen reduced niobium oxides114US 6,576,099 B2Cabot Corporation · 2003