H01F 1/0553
Obtained by reduction or by hydrogen decrepitation or embrittlement
Official title: {obtained by reduction or by hydrogen decrepitation or embrittlement}
H01F1/0553 (Obtained by reduction or by hydrogen decrepitation or embrittlement) appears on 28 US grants and 23 published applications in this corpus.
Search patents in H01F- Granted patents
- 28
- Published applications
- 23
- Assignees
- 24
- Inventors
- 99
- Latest grant
- 3 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 1 | 5 |
| 2015 | 3 | 2 |
| 2016 | 1 | 1 |
| 2017 | 3 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Method to form an inductive component3 Sep 2024US 12,080,472 B2Cyntec Co., Ltd.
- Integrally-formed inductor and a fabricatin method thereof10 Oct 2023US 11,783,992 B2Cyntec Co., Ltd.
- Two-step diffusion method for preparing high-performance dual-main-phase sintered mischmetal-iron-boron magnet29 Aug 2023US 11,742,120 B2Beijing University of Technology
- Magnetic material and method for producing same4 Oct 2022US 11,459,646 B2National Institute of Advanced Industrial Science and Technology
- Magnetic material and a method of synthesising the same21 Apr 2020US 10,629,344 B2ROLLS-ROYCE plc
- Samarium cobalt magnet recycling25 Dec 2025US 2025/0391594 A1ROLLS-ROYCE plc
- Neodymium-iron-boron magnet material and preparation method therefor and application thereo13 Mar 2025US 2025/0087394 A1FUJIAN GOLDEN DRAGON RARE-EARTH Co., Ltd.
- Method to form an inductive component4 Jan 2024US 2024/0006116 A1Cyntec Co., Ltd.
- Two-step diffusion method for preparing high-performance dual-main-phase sintered mischmetal-iron-boron magnet24 Feb 2022US 2022/0059262 A1Beijing University of Technology
- Magnetic nano-structure containing iron and method for manufacturing same21 Oct 2021US 2021/0327618 A1Industry-University Cooperation Foundation Hanyang University Erica Campus
Most cited
By later US patents
- Reduction-melting process to form rare earth-transition metal alloys and the alloys20US 6,309,441 B1General Electric Company · 2001
- Magnetic materials containing rare earth element iron nitrogen and hydrogen16US 5,186,766 AAsahi Kasei Kogyo Kabushiki Kaisha · 1993
- Production method, production apparatus and heat treatment apparatus for anisotropic magnet powder15US 5,851,312 AAichi Steel Works, Ltd. · 1998
- Magnetic material containing rare earth element, iron, nitrogen, hydrogen and oxygen and bonded magnet containing the same13US 5,164,104 AAsahi Kasei Kogyo Kabushiki Kaisha · 1992
- Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using the apparatus10US 7,018,485 B2Neomax Co., Ltd. · 2006