H01F 1/111
With a non-magnetic core
Official title: {with a non-magnetic core}
H01F1/111 (With a non-magnetic core) appears on 22 US grants and 13 published applications in this corpus.
Search patents in H01F- Granted patents
- 22
- Published applications
- 13
- Assignees
- 15
- Inventors
- 40
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite member8 Sep 2026US 12,731,710 B2Panasonic Intellectual Property Management Co., Ltd.
- Ferrite powder for bonded magnets, method for producing the same and ferrite bonded magnet26 May 2020US 10,665,371 B2Dowa Electronics Materials Co., Ltd.
- Magnetic microspheres for use in fluorescence-based applications9 May 2017US 9,645,142 B2Luminex Corporation
- Magnetic microspheres for use in fluorescence-based applications28 Jun 2016US 9,376,613 B2Luminex Corporation
- Magnetic microspheres for use in fluorescence-based applications3 Mar 2015US 8,968,874 B2Luminex Corporation
- Composite member11 Jul 2024US 2024/0228383 A9Panasonic Intellectual Property Management Co., Ltd.
- Composite member25 Apr 2024US 2024/0132409 A1Panasonic Intellectual Property Management Co., Ltd.
- Ferrite powder for bonded magnets, method for producing the same and ferrite bonded magnet19 Oct 2017US 2017/0301440 A1Dowa Electronics Materials Co., Ltd.
- Magnetic microspheres for use in fluorescence-based applications15 Sep 2016US 2016/0266103 A1Luminex Corporation
- Magnetic microspheres for use in fluorescence-based applications4 Jun 2015US 2015/0152325 A1Luminex Corporation
Most cited
By later US patents
- Magnetic polymer particles and process for the preparation thereof117US 4,654,267 ASintef · 1987
- Process for producing magnetically responsive polymer particles and application thereof90US 5,091,206 ABaxter Diagnostics Inc. · 1992
- Magnetically responsive fluorescent polymer particles90US 5,395,688 ABaxter Diagnostics Inc. · 1995
- Process for preparing magnetically responsive microparticles83US 5,648,124 ASeradyn, Inc. · 1997
- Process to make magnetically responsive fluorescent polymer particles78US 5,283,079 ABaxter Diagnostics Inc. · 1994