H01F 1/0304
Adapted for large barkhausen jumps or domain wall rotations
Official title: {adapted for large Barkhausen jumps or domain wall rotations, e.g. WIEGAND or MATTEUCCI effect (H01F1/143 and H01F1/15391 take precedence)}
H01F1/0304 (Adapted for large barkhausen jumps or domain wall rotations) appears on 18 US grants and 3 published applications in this corpus.
Search patents in H01F- Granted patents
- 18
- Published applications
- 3
- Assignees
- 11
- Inventors
- 42
- Latest grant
- 3 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Device, in particular machine, for producing a Wiegand wire from a wire, in particular a pulse wire, and method for operating a device3 Sep 2024US 12,076,777 B2Sew-Eurodrive GmbH & Co. KG
- Magnetic marker and manufacturing method therefor8 Mar 2005US 6,864,793 B2NHK Spring Co., Ltd.
- Fe group-based amorphous alloy ribbon and magnetic marker12 Mar 2002US 6,355,361 B1Unitika Ltd.
- Composite magnetic member, method of producing ferromagnetic portion of same, and method of forming non-magnetic portion of same3 Jul 2001US 6,255,005 B1Hitachi Metals, Ltd.
- Method for manufacturing a magnetic pulse generator19 Sep 2000US 6,120,617 AVacuumschmelze GmbH & Co.KG
- Power-generating element, encoder, and method for producing magnetic member19 Sep 2024US 2024/0312680 A1Panasonic Intellectual Property Management Co., Ltd.
- Device, in particular machine, for producing a wiegand wire from a wire, in particular a pulse wire, and method for operating a device8 Apr 2021US 2021/0101202 A1Sew-Eurodrive GmbH & Co. KG
- Magnetic marker and manufacturing method therefor5 Sep 2002US 2002/0122956 A1NHK Spring Co., Ltd.
Most cited
By later US patents
- Thin-film magnetic material and process of production thereof32US 5,181,020 AUnitika Ltd. · 1993
- Switchable magnetic device31US 4,247,601 AThe Echlin Manufacturing Company · 1981
- Asymmetrical magneto-impedance element having a thin magnetic wire with a spiral magnetic anisotropy24US 5,994,899 AResearch Development Corporation of Japan · 1999
- Fe group-based amorphous alloy ribbon and magnetic marker24US 6,355,361 B1Unitika Ltd. · 2002
- Magnetic sensor wire22US 5,268,043 AOlin Corporation · 1993