H01F 1/0578
Bonded together
Official title: {bonded together}
H01F1/0578 (Bonded together) appears on 245 US grants and 223 published applications in this corpus.
Search patents in H01F- Granted patents
- 245
- Published applications
- 223
- Assignees
- 130
- Inventors
- 538
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 10 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 6 |
| 2002 | 15 | 20 |
| 2003 | 16 | 15 |
| 2004 | 9 | 17 |
| 2005 | 17 | 9 |
| 2006 | 4 | 7 |
| 2007 | 7 | 4 |
| 2008 | 7 | 6 |
| 2009 | 2 | 14 |
| 2010 | 6 | 8 |
| 2011 | 7 | 6 |
| 2012 | 5 | 13 |
| 2013 | 4 | 9 |
| 2014 | 2 | 5 |
| 2015 | 2 | 5 |
| 2016 | 6 | 6 |
| 2017 | 7 | 6 |
| 2018 | 4 | 10 |
| 2019 | 2 | 2 |
| 2020 | 5 | 3 |
| 2021 | 2 | 13 |
| 2022 | 3 | 10 |
| 2023 | 4 | 3 |
| 2024 | 6 | 11 |
| 2025 | 5 | 8 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing sintered magnet and sintered magnet14 Apr 2026US 12,603,202 B2Beijing Zhong Ke San Huan Hi-Tech Co., Ltd.
- R-T-B-based rare earth magnet particles, process for producing the R-T-B-based rare earth magnet particles, and bonded magnet24 Feb 2026US 12,562,297 B2Toda Kogyo Corporation
- Alloys, magnetic materials, bonded magnets and methods for producing the same25 Nov 2025US 12,480,189 B2Neo Performance Materials (Singapore) Pte. Ltd.
- Rare earth magnet assembly and preparation method14 Oct 2025US 12,444,523 B2Shin-Etsu Chemical Co., Ltd.
- Rare-earth-based magnet powder, bonded magnet, bonded magnet compound, sintered magnet, method of manufacturing rare-earth-based magnet powder, and method of manufacturing rare-earth based permanent magnet9 Sep 2025US 12,412,687 B2TDK Corporation
- Composite permanent magnet material and magnet-free magnetic false eyelash17 Sep 2026US 2026/0272088 A1Qingdao Yiernuo Arts and Crafts Import & Export Co., Ltd.
- Rare earth bonded magnet17 Sep 2026US 2026/0279627 A1MINEBEA MITSUMI Inc.
- Extrusion compression molded critical rare earth free bonded permanent magnet6 Aug 2026US 2026/0229404 A1
- Manufacturing method for magnetic molded body and manufacturing method for anisotropic bond magnet23 Jul 2026US 2026/0208264 A1
- Bonded magnet, on-vehicle main motor and oil pump comprising bonded magnet, curable composition for bonded magnet, and method for producing bonded magnet11 Jun 2026US 2026/0162859 A1Nichia Corporation
Most cited
By later US patents
- Permanent magnets60US 5,049,208 ATDK Corporation · 1991
- Ultrasonic compacting and bonding particles55US 4,957,668 AGeneral Motors Corporation · 1990
- Method of plating a bonded magnet and a bonded magnet carrying a metal coating51US 5,302,464 AKanegafuchi Kagaku Kogyo Kabushiki Kaisha · 1994
- Magnetic display device48US 6,436,520 B1Toda Kogyo Corporation · 2002
- Polymeric resin bonded magnets40US 6,872,325 B2General Electric Company · 2005