C01G 49/0072
Containing manganese
Official title: {containing manganese}
C01G49/0072 (Containing manganese) appears on 198 US grants and 202 published applications in this corpus.
Search patents in C01G- Granted patents
- 198
- Published applications
- 202
- Assignees
- 181
- Inventors
- 643
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 4 |
| 2003 | 4 | 7 |
| 2004 | 5 | 4 |
| 2005 | 1 | 4 |
| 2006 | 2 | 4 |
| 2007 | 2 | 1 |
| 2008 | 3 | 7 |
| 2009 | 2 | 3 |
| 2010 | 5 | 8 |
| 2011 | 5 | 7 |
| 2012 | 4 | 3 |
| 2013 | 6 | 7 |
| 2014 | 4 | 9 |
| 2015 | 10 | 9 |
| 2016 | 8 | 13 |
| 2017 | 11 | 10 |
| 2018 | 4 | 12 |
| 2019 | 9 | 17 |
| 2020 | 11 | 10 |
| 2021 | 9 | 7 |
| 2022 | 7 | 12 |
| 2023 | 10 | 14 |
| 2024 | 8 | 10 |
| 2025 | 10 | 9 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for the gram-scale preparation of ferrite nanoparticles for magnetic hyperthermia applications19 May 2026US 12,633,435 B2Fondazione Istituto Italiano Di Tecnologia
- Ferrite powder, ferrite resin composite material, and electromagnetic shielding material, electronic material, or electronic component7 Apr 2026US 12,595,188 B2Powdertech Co., Ltd.
- Positive electrode active material and preparation method therefor, sodium ion battery, and apparatus comprising sodium ion battery10 Feb 2026US 12,548,769 B2Contemporary Amperex Technology (Hong Kong) Limited
- Ferrite particle, carrier core material for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer28 Oct 2025US 12,455,516 B2Powdertech Co., Ltd.
- Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer7 Oct 2025US 12,436,480 B2Powdertech Co., Ltd.
- Methods for Preparing Ferromanganese Oxide, Lithium Manganese Iron Phosphate Material, and Cathode Plate1 Oct 2026US 2026/0296889 A1Hubei Hongrun High-Tech New Materials Co., Ltd.
- Positive electrode active material and manufacturing method of magnesium storage battery10 Sep 2026US 2026/0269235 A1Tohoku University
- Solid-phase method for the manufacture of a cathode active material13 Aug 2026US 2026/0237649 A1Virginia Tech Intellectual Properties, Inc.
- Lithium-supplementing additive, method for preparing the same, positive electrode material, positive electrode plate, and battery6 Aug 2026US 2026/0229539 A1Huizhou Eve Power Co., Ltd
- Positive electrode active material for sodium-ion batteries, method for manufacturing same, and sodium-ion battery23 Jul 2026US 2026/0213174 A1National University Corporation Hokkaido University
Most cited
By later US patents
- Secondary cell with orthorhombic alkali metal/manganese oxide phase active cathode material72US 5,558,961 AThe Regents of the University of California · 1996
- Positive electrode active material for lithium battery56US 5,738,957 AJapan Storage Battery Co., Ltd. · 1998
- Anode active material, manufacturing method thereof, and non-aqueous electrolyte secondary battery48US 7,541,114 B2Osaka City University · 2009
- Method for manufacturing positive electrode material for a lithium battery46US 5,677,087 AJapan Storage Battery Co., Ltd. · 1997
- Preparation of finely divided ferrite powders43US 4,664,831 ABASF SE · 1987