C04B 35/62826
Iron group metal oxides
Official title: {Iron group metal oxides}
C04B35/62826 (Iron group metal oxides) appears on 65 US grants and 70 published applications in this corpus.
Search patents in C04B- Granted patents
- 65
- Published applications
- 70
- Assignees
- 70
- Inventors
- 224
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 6 |
| 2008 | 2 | 4 |
| 2009 | 2 | 6 |
| 2010 | 2 | 4 |
| 2011 | 2 | 4 |
| 2012 | 3 | 5 |
| 2013 | 4 | 3 |
| 2014 | 5 | 1 |
| 2015 | 3 | 2 |
| 2016 | 3 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 3 |
| 2019 | 0 | 4 |
| 2020 | 4 | 1 |
| 2021 | 2 | 3 |
| 2022 | 1 | 2 |
| 2023 | 1 | 2 |
| 2024 | 0 | 4 |
| 2025 | 3 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Halloysite powder10 Feb 2026US 12,545,590 B2Jfe Mineral Company, Ltd.
- Dielectric ceramic composition for multi-layer ceramic capacitor for use in extreme environments29 Jul 2025US 12,374,491 B2Samhwa Capacitor Co., Ltd.
- Powder for laser sintering, and use27 May 2025US 12,311,440 B2Infinite Flex GmbH
- Ceramic-reinforced polymer composites with herringbone architecture8 Apr 2025US 12,269,212 B2Northeastern University
- Iron oxide powder, composition, ceramics, iron oxide powder precursor, method for producing iron oxide powder precursor, and method for producing iron oxide powder21 Feb 2023US 11,584,659 B2Kogakuin University
- Dielectric powder, method of preparing the same, and multilayer ceramic capacitor including the same4 Jun 2026US 2026/0155302 A1Samsung Electro-Mechanics Co., Ltd.
- Interference pigments19 Feb 2026US 2026/0049218 A1Merck Patent GmbH
- Grain-boundary and surface-doped rare-earth zirconium-based ceramic material, preparation method therefor, and use thereof14 Nov 2024US 2024/0376011 A1Grirem Advanced Materials Co., Ltd.
- Thermal energy media with high durability and high solar absorptivity at high temperatures13 Jun 2024US 2024/0191121 A1
- Composite particles and method for producing composite particles28 Mar 2024US 2024/0101829 A1DIC Corporation
Most cited
By later US patents
- Core-shell ceramic particulate and method of making104US 7,670,679 B2General Electric Company · 2010
- Reactive nanoparticles as destructive adsorbents for biological and chemical contamination75US 6,417,423 B1Nanoscale Materials, Inc. · 2002
- Synthesis of magnetite nanoparticles and the process of forming Fe-based nanomaterials70US 6,962,685 B2International Business Machines Corporation · 2005
- Dispersible, metal oxide-coated, barium titanate materials52US 6,268,054 B1Cabot Corporation · 2001
- Ceramic dielectric compositions and method for enhancing dielectric properties45US 5,082,811 AE. I. Du Pont de Nemours and Company · 1992