C04B 2235/83
Ferrites containing fe2+
Official title: Ferrites containing Fe2+
C04B2235/83 (Ferrites containing fe2+) appears on 18 US grants and 24 published applications in this corpus.
Search patents in C04B- Granted patents
- 18
- Published applications
- 24
- Assignees
- 11
- Inventors
- 51
- Latest grant
- 16 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 1 | 4 |
| 2005 | 0 | 0 |
| 2006 | 4 | 2 |
| 2007 | 0 | 7 |
| 2008 | 1 | 1 |
| 2009 | 2 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 3 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 0 |
By publication year.
Recent patents
- Ferrite magnet16 Aug 2022US 11,417,447 B2TDK Corporation
- Ferrite composition and multilayer electronic component9 Aug 2022US 11,410,807 B2TDK Corporation
- MnZn ferrite and its production method16 Feb 2021US 10,919,809 B2Hitachi Metals, Ltd.
- Cathode material and fuel cell18 Aug 2020US 10,749,187 B2NGK Insulators, Ltd.
- Co2 Z-type ferrite composite material for use in ultra-high frequency antennas5 Nov 2019US 10,468,169 B2Rogers Corporation
- Ferrite composition and multilayer electronic component13 Aug 2020US 2020/0258668 A1TDK Corporation
- Cathode material and fuel cell6 Feb 2020US 2020/0044260 A9NGK Insulators, Ltd.
- Ferrite magnet4 Jul 2019US 2019/0206594 A1TDK Corporation
- Cathode material and fuel cell23 May 2019US 2019/0157687 A1NGK Insulators, Ltd.
- Mnzn ferrite and its production method28 Feb 2019US 2019/0062217 A1Hitachi Metals, Ltd.
Most cited
By later US patents
- Co2 Z-type ferrite composite material for use in ultra-high frequency antennas12US 10,468,169 B2Rogers Corporation · 2019
- Electromagnetic wave absorber formed of Mn-Zn ferrite6US 7,108,799 B2Minebea Co., Ltd. · 2006
- Electromagnetic wave absorber formed of Mn-Zn ferrite4US 7,101,488 B2Minebea Co., Ltd. · 2006
- Ferrite core and its production method2US 6,752,932 B2TDK Corporation · 2004
- Nanometric-sized ceramic materials, process for their synthesis and uses thereof2US 8,557,215 B2Innovnano - Materiais Avancados, S.A. · 2013