H01Q 7/08
Ferrite rod or like elongated core
H01Q7/08 (Ferrite rod or like elongated core) appears on 518 US grants and 541 published applications in this corpus.
Search patents in H01Q- Granted patents
- 518
- Published applications
- 541
- Assignees
- 259
- Inventors
- 953
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 6 | 7 |
| 2003 | 9 | 18 |
| 2004 | 6 | 20 |
| 2005 | 12 | 20 |
| 2006 | 17 | 26 |
| 2007 | 17 | 25 |
| 2008 | 22 | 22 |
| 2009 | 13 | 39 |
| 2010 | 26 | 14 |
| 2011 | 17 | 18 |
| 2012 | 11 | 19 |
| 2013 | 16 | 23 |
| 2014 | 15 | 31 |
| 2015 | 23 | 27 |
| 2016 | 27 | 43 |
| 2017 | 40 | 40 |
| 2018 | 42 | 39 |
| 2019 | 44 | 35 |
| 2020 | 31 | 24 |
| 2021 | 21 | 11 |
| 2022 | 14 | 14 |
| 2023 | 15 | 7 |
| 2024 | 11 | 10 |
| 2025 | 5 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ferrite sheet, and antenna apparatus and non-contact power supply apparatus using same16 Jun 2026US 12,658,586 B2Toda Kogyo Corporation
- Antenna component19 May 2026US 12,633,666 B2Murata Manufacturing Co., Ltd.
- Wireless charger having thermoelectric cooler chips for dissipating heat2 Dec 2025US 12,488,933 B2Cyntec Co., Ltd.
- Rubidium spin exchange relaxation free magnetometer based receiver12 Aug 2025US 12,388,183 B2The Boeing Company
- Antenna device17 Jun 2025US 12,334,652 B2Murata Manufacturing Co., Ltd.
- Antenna Unit And Door Handle23 Jul 2026US 2026/0213401 A1Sumida Corporation
- Device including a flexible antenna21 May 2026US 2026/0142375 A1Senseonics, Incorporated
- Magnetic nano-transmitter plasma wave antenna2 Apr 2026US 2026/0094966 A1he Government of the United States of America, as represented by the Secretary of the Navy
- Magnetic nano-transmitter plasma wave antenna2 Apr 2026US 2026/0094967 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Wireless Charger12 Mar 2026US 2026/0074105 A1Cyntec Co., Ltd.
Most cited
By later US patents
- Miniaturized position sensor having photolithographic coils for tracking a medical probe316US 6,201,387 B1Biosense, Inc. · 2001
- Planar loop antenna system256US 8,436,780 B2Q-Track Corporation · 2013
- Wireless energy transfer with feedback control for lighting applications224US 8,552,592 B2WiTricity Corporation · 2013
- Implant device telemetry antenna174US 6,009,350 AMedtronic, Inc. · 1999
- Wireless low-frequency medical treatment device167US 5,109,845 ASanyo Electric Co., Ltd. · 1992