C04B 35/26
Based on ferrites
Official title: based on ferrites
C04B35/26 (Based on ferrites) appears on 949 US grants and 836 published applications in this corpus.
Search patents in C04B- Granted patents
- 949
- Published applications
- 836
- Assignees
- 410
- Inventors
- 1,891
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 14 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 10 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 8 | 0 |
| 1991 | 19 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 13 | 0 |
| 1997 | 16 | 0 |
| 1998 | 13 | 0 |
| 1999 | 15 | 0 |
| 2000 | 21 | 0 |
| 2001 | 22 | 10 |
| 2002 | 32 | 31 |
| 2003 | 31 | 40 |
| 2004 | 24 | 37 |
| 2005 | 22 | 23 |
| 2006 | 21 | 21 |
| 2007 | 19 | 37 |
| 2008 | 15 | 15 |
| 2009 | 14 | 32 |
| 2010 | 19 | 41 |
| 2011 | 27 | 37 |
| 2012 | 23 | 37 |
| 2013 | 42 | 39 |
| 2014 | 33 | 34 |
| 2015 | 18 | 45 |
| 2016 | 41 | 35 |
| 2017 | 35 | 33 |
| 2018 | 34 | 41 |
| 2019 | 32 | 42 |
| 2020 | 28 | 40 |
| 2021 | 26 | 41 |
| 2022 | 39 | 31 |
| 2023 | 44 | 35 |
| 2024 | 26 | 28 |
| 2025 | 26 | 21 |
| 2026 | 12 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 35/2608Compositions containing one or more ferrites of the group comprising manganese, zinc275
- C04B 35/265Compositions containing one or more ferrites of the group comprising manganese or236
- C04B 35/2658Other ferrites containing manganese or zinc144
- C04B 35/2683Other ferrites containing alkaline earth metals or lead127
- C04B 35/2641Compositions containing one or more ferrites of the group comprising rare earth108
- C04B 35/2666Other ferrites containing nickel, copper or cobalt83
- C04B 35/2675Other ferrites containing rare earth metals60
- C04B 35/2691Other ferrites containing alkaline metals11
Recent patents
- M-type hexaferrite comprising a low dielectric loss ceramic29 Sep 2026US 12,749,604 B2Rogers Corporation
- Method for improving Bs of MnZn power ferrite material by moving valley point30 Jun 2026US 12,668,546 B2Hengdian Group Dmegc Magnetics Co., Ltd
- Composite ceramics with low dielectric losses16 Jun 2026US 12,655,065 B2Imam Abdulrahman Bin Faisal University
- 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
- Self-assembled soft magnetic ferrite nanocomposite materials and passive components and methods of making same1 Oct 2026US 2026/0296983 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Ferrite sintered body and electronic device using thereof1 Oct 2026US 2026/0302020 A1TDK Corporation
- Ferrite composition and magnetic core comprising same17 Sep 2026US 2026/0279633 A1LG Innotek Co., Ltd.
- Dual phased electromagnetic composite ceramic10 Sep 2026US 2026/0265147 A1Imam Abdulrahman Bin Faisal University
- Additive manufacturing powders with improved physical characteristics, method of manufacture and use thereof13 Aug 2026US 2026/0233302 A1Tekna Plasma Systems Inc.
Most cited
By later US patents
- Materials and products using nanostructured non-stoichiometric substances226US 6,344,271 B12002
- Nanotechnology for biomedical products224US 6,572,672 B2NanoProducts Corporation · 2003
- Non-spherical nanopowder derived nanocomposites126US 6,916,872 B2NanoProducts Corporation · 2005
- Nanotechnology for drug delivery, contrast agents and biomedical implants110US 6,933,331 B2NanoProducts Corporation · 2005
- Manganese-zinc system ferrite96US 5,980,773 ATDK Corporation · 1999