C01G 51/40
Complex oxides containing cobalt and at least one other metal element
C01G51/40 (Complex oxides containing cobalt and at least one other metal element) appears on 1,015 US grants and 1,282 published applications in this corpus.
Search patents in C01G- Granted patents
- 1,015
- Published applications
- 1,282
- Assignees
- 476
- Inventors
- 2,559
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 17 | 0 |
| 1998 | 16 | 0 |
| 1999 | 16 | 0 |
| 2000 | 19 | 0 |
| 2001 | 14 | 10 |
| 2002 | 18 | 24 |
| 2003 | 17 | 31 |
| 2004 | 22 | 39 |
| 2005 | 12 | 35 |
| 2006 | 21 | 45 |
| 2007 | 14 | 37 |
| 2008 | 26 | 33 |
| 2009 | 27 | 52 |
| 2010 | 41 | 43 |
| 2011 | 26 | 55 |
| 2012 | 36 | 68 |
| 2013 | 53 | 64 |
| 2014 | 48 | 51 |
| 2015 | 41 | 49 |
| 2016 | 38 | 67 |
| 2017 | 50 | 54 |
| 2018 | 42 | 64 |
| 2019 | 53 | 53 |
| 2020 | 55 | 81 |
| 2021 | 44 | 64 |
| 2022 | 54 | 71 |
| 2023 | 54 | 70 |
| 2024 | 49 | 46 |
| 2025 | 39 | 52 |
| 2026 | 27 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dispersed iron oxide magnetic powder slurry and method for producing same6 Oct 2026US 12,753,089 B2Dowa Electronics Materials Co., Ltd.
- Multifferoic R-type hexaferrite, a composite and an article comprising the R-type hexaferrite, and a method of making the same22 Sep 2026US 12,744,140 B2Rogers Corporation
- Method for surface modification of lithium transition metal oxide positive electrode material15 Sep 2026US 12,738,484 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Lithium transition metal oxide, positive electrode additive for lithium secondary battery, and lithium secondary battery comprising the same8 Sep 2026US 12,729,134 B2LG Chem.Ltd.
- Positive electrode material, electrochemical device, and electrical device25 Aug 2026US 12,719,053 B2Ningde Amperex Technology Limited
- Electrode, solid oxide cell including the same, and method of preparing solid oxide cell1 Oct 2026US 2026/0296913 A1Samsung Electro-Mechanics Co., Ltd.
- Mixed ferrite nanoparticles and uses thereof27 Aug 2026US 2026/0250149 A1Institut National De La Recherche Scientifique
- Processes for preparing hydroxides and oxides of various metals and derivatives thereof13 Aug 2026US 2026/0234024 A1Nemaska Lithium Inc.
- Methods for regenerating metal oxides13 Aug 2026US 2026/0237772 A1
- Manufacturing apparatus and manufacturing method of positive electrode active material6 Aug 2026US 2026/0225910 A1Semiconductor Energy Laboratory Co.Ltd.
Most cited
By later US patents
- Combinatorial synthesis of novel materials365US 5,985,356 ASymyx Technologies, Inc. · 1999
- Giant magnetoresistive cobalt oxide compounds218US 5,776,359 ASymyx Technologies, Inc. · 1998
- Combinatorial synthesis of novel materials210US 6,004,617 ASymyx Technologies, Inc. · 1999
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions202US 5,306,411 AThe Standard Oil Company · 1994
- Electrochemical cell100US 5,316,877 ATechnology Finance Corporation (Proprietary) Limited · 1994