H01F 3/04
Made from strips or ribbons
Official title: made from strips or ribbons
H01F3/04 (Made from strips or ribbons) appears on 162 US grants and 188 published applications in this corpus.
Search patents in H01F- Granted patents
- 162
- Published applications
- 188
- Assignees
- 102
- Inventors
- 392
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 5 |
| 2005 | 2 | 2 |
| 2006 | 1 | 4 |
| 2007 | 2 | 2 |
| 2008 | 2 | 4 |
| 2009 | 5 | 3 |
| 2010 | 3 | 5 |
| 2011 | 1 | 3 |
| 2012 | 4 | 4 |
| 2013 | 4 | 9 |
| 2014 | 3 | 10 |
| 2015 | 5 | 8 |
| 2016 | 5 | 7 |
| 2017 | 9 | 12 |
| 2018 | 3 | 9 |
| 2019 | 4 | 12 |
| 2020 | 9 | 13 |
| 2021 | 11 | 18 |
| 2022 | 12 | 17 |
| 2023 | 13 | 11 |
| 2024 | 11 | 13 |
| 2025 | 20 | 9 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Soft magnetic alloy ribbon and magnetic core2 Jun 2026US 12,646,641 B2Seiko Epson Corporation
- Method for producing laminates suitable for magnetic cores26 May 2026US 12,640,294 B2His Majesty the King In Right of Canada, AS Represented By the Minister of Natural Resources
- Electrical steel strip, use of an electrical steel strip and method for producing an electrical steel strip19 May 2026US 12,633,442 B2Wickeder Westfalenstahl GmbH
- Wound magnetic core, alloy core, and method for manufacturing wound magnetic core12 May 2026US 12,626,845 B2Proterial, Ltd.
- Alloy composition, alloy powder, alloy ribbon, inductor, and motor30 Dec 2025US 12,512,705 B2Kolon Industries, Inc.
- Laminated core manufacturing apparatus and laminated core manufacturing method25 Jun 2026US 2026/0180376 A1Posco Mobility Solution Corporation
- Three-dimensional vertical inductors with magnetic core11 Jun 2026US 2026/0162861 A1Microchip Technology Incorporated
- Magnetic core and noise filter11 Jun 2026US 2026/0162871 A1Riken
- Three-dimensional inductors with vertical winding11 Jun 2026US 2026/0162885 A1Microchip Technology Incorporated
- Three-dimensional differential inductor with vertical winding11 Jun 2026US 2026/0162886 A1Microchip Technology Incorporated
Most cited
By later US patents
- Method of manufacturing a mechanical resonating structure162US 9,762,202 B2Analog Devices, Inc. · 2017
- Method of fabricating a magnetic flux concentrating core61US 5,839,185 ASundstrand Corporation · 1998
- Bonded amorphous metal electromagnetic components45US 4,201,837 AGeneral Electric Company · 1980
- Method of manufacturing a thin ribbon of magnetic material40US 4,257,830 A1981
- Diamond-like carbon coating for magnetic cores23US 5,541,566 AOlin Corporation · 1996