C04B 35/2658
Other ferrites containing manganese or zinc
Official title: {Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites}
C04B35/2658 (Other ferrites containing manganese or zinc) appears on 144 US grants and 100 published applications in this corpus.
Search patents in C04B- Granted patents
- 144
- Published applications
- 100
- Assignees
- 87
- Inventors
- 328
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 7 |
| 2002 | 13 | 8 |
| 2003 | 8 | 4 |
| 2004 | 3 | 8 |
| 2005 | 4 | 5 |
| 2006 | 6 | 1 |
| 2007 | 4 | 5 |
| 2008 | 0 | 1 |
| 2009 | 1 | 5 |
| 2010 | 3 | 7 |
| 2011 | 2 | 3 |
| 2012 | 5 | 1 |
| 2013 | 5 | 4 |
| 2014 | 3 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 3 |
| 2018 | 1 | 4 |
| 2019 | 4 | 4 |
| 2020 | 0 | 5 |
| 2021 | 5 | 2 |
| 2022 | 2 | 9 |
| 2023 | 1 | 4 |
| 2024 | 4 | 3 |
| 2025 | 6 | 5 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for improving Bs of MnZn power ferrite material by moving valley point30 Jun 2026US 12,668,546 B2Hengdian Group Dmegc Magnetics Co., Ltd
- MnZn-based ferrite and method for producing same26 May 2026US 12,640,293 B2Tokin Corporation
- MnZn-based ferrite19 May 2026US 12,630,477 B2Tokin Corporation
- Manganese-zinc ferrite with high magnetic permeability at negative temperature and low loss at high temperature and method for preparing same17 Mar 2026US 12,577,166 B2Hengdian Group Dmegc Magnetics Co., Ltd
- Additive manufacturing powders with improved physical characteristics, method of manufacture and use thereof13 Jan 2026US 12,521,789 B2Tekna Plasma Systems Inc.
- Additive manufacturing powders with improved physical characteristics, method of manufacture and use thereof13 Aug 2026US 2026/0233302 A1Tekna Plasma Systems Inc.
- Ferrite cores and stylus pen including the same18 Dec 2025US 2025/0385030 A1HiDeep Inc.
- Mnzn-based ferrite17 Jul 2025US 2025/0230101 A1Toda Kogyo Corporation
- Magnetic composite3 Jul 2025US 2025/0218631 A1Powdertech Co., Ltd.
- Balls comprising a ferrite material and use of balls comprising a ferrite material3 Jul 2025US 2025/0218632 A1
Most cited
By later US patents
- Manganese-zinc system ferrite96US 5,980,773 ATDK Corporation · 1999
- Fabrication of metallic microstructures by micromolding nanoparticles58US 6,472,459 B2Sandia Corporation · 2002
- Fabrication of ceramic microstructures from polymer compositions containing ceramic nanoparticles48US 6,245,849 B1Sandia Corporation · 2001
- Method of hydrothermal liquid phase sintering of ceramic materials and products derived therefrom45US 8,313,802 B2Rutgers, The State University of New Jersey · 2012
- Magnetic ferrite composition and process of production thereof30US 6,790,379 B2TDK Corporation · 2004