H01F 1/0311
Compounds
Official title: {Compounds (H01F1/0304 takes precedence)}
H01F1/0311 (Compounds) appears on 63 US grants and 84 published applications in this corpus.
Search patents in H01F- Granted patents
- 63
- Published applications
- 84
- Assignees
- 59
- Inventors
- 210
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 3 |
| 2014 | 0 | 4 |
| 2015 | 2 | 6 |
| 2016 | 6 | 7 |
| 2017 | 8 | 7 |
| 2018 | 4 | 9 |
| 2019 | 4 | 10 |
| 2020 | 7 | 7 |
| 2021 | 5 | 5 |
| 2022 | 5 | 3 |
| 2023 | 8 | 6 |
| 2024 | 3 | 4 |
| 2025 | 2 | 4 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stylus pen10 Mar 2026US 12,572,226 B2HiDeep Inc.
- Magnetic microcapsule, preparation method thereof, and magnetic film22 Jul 2025US 12,367,994 B1My Superboard Limited
- Color and symbol coded display on a digital badge for communicating permission to approach and activate further digital content interaction22 Apr 2025US 12,279,873 B2
- Stylus pen24 Dec 2024US 12,175,026 B2HiDeep Inc.
- Method for the reconfiguration of a vortex density in a rare earth manganate, a non-volatile impedance switch and use thereof9 Jul 2024US 12,034,424 B2Helmholtz-Zentrum Dresden-Rossendorf E. V.
- Coil component and method for manufacturing the coil component1 Oct 2026US 2026/0302051 A1Taiyo Yuden Co., Ltd.
- Composite permanent magnet material and magnet-free magnetic false eyelash17 Sep 2026US 2026/0272088 A1Qingdao Yiernuo Arts and Crafts Import & Export Co., Ltd.
- Magnetic Bead And Method For Producing Magnetic Bead10 Sep 2026US 2026/0269111 A1Seiko Epson Corporation
- Stylus pen16 Jul 2026US 2026/0202924 A1HiDeep Inc.
- RF Choke for Use in a Mass Spectrometer and RF Choke22 Jan 2026US 2026/0024736 A1DH Technologies Development Pte. Ltd.
Most cited
By later US patents
- Iron-based oxide magnetic particle powder, method for producing same, coating material, and magnetic recording medium10US 10,622,127 B2Dowa Electronics Materials Co., Ltd. · 2020
- Magnetic microspheres for use in fluorescence-based applications8US 7,718,262 B2Luminex Corporation · 2010
- Magnetic microspheres for use in fluorescence-based applications8US 8,283,037 B2Luminex Corporation · 2012
- Ceramic ferrite/ferroelectric composite material7US 6,063,719 AThe United States of America as represented by the Secretary of the Army · 2000
- Magnetic microspheres for use in fluorescence-based applications6US 8,968,874 B2Luminex Corporation · 2015