H01F 27/25
Made from strips or ribbons
Official title: made from strips or ribbons (H01F27/26 takes precedence)
H01F27/25 (Made from strips or ribbons) appears on 247 US grants and 250 published applications in this corpus.
Search patents in H01F- Granted patents
- 247
- Published applications
- 250
- Assignees
- 153
- Inventors
- 575
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 7 | 4 |
| 2003 | 6 | 6 |
| 2004 | 4 | 3 |
| 2005 | 4 | 4 |
| 2006 | 6 | 5 |
| 2007 | 3 | 3 |
| 2008 | 1 | 5 |
| 2009 | 2 | 2 |
| 2010 | 3 | 8 |
| 2011 | 2 | 3 |
| 2012 | 2 | 8 |
| 2013 | 4 | 10 |
| 2014 | 3 | 9 |
| 2015 | 9 | 13 |
| 2016 | 9 | 13 |
| 2017 | 8 | 27 |
| 2018 | 10 | 22 |
| 2019 | 14 | 20 |
| 2020 | 16 | 20 |
| 2021 | 13 | 18 |
| 2022 | 14 | 13 |
| 2023 | 16 | 12 |
| 2024 | 10 | 13 |
| 2025 | 11 | 4 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Substrate embedded magnetic core inductors and method of making8 Sep 2026US 12,731,717 B2Intel Corporation
- Transformer18 Aug 2026US 12,712,120 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Magnetic core and magnetic component23 Jun 2026US 12,665,119 B2Delta Electronics (Japan), Inc.
- Soft magnetic alloy ribbon and magnetic core2 Jun 2026US 12,646,641 B2Seiko Epson Corporation
- 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
- Coil component and filter stage20 Aug 2026US 2026/0245782 A1
- Magnetic core and noise filter11 Jun 2026US 2026/0162871 A1Riken
- Fe-based nanocrystalline alloy ribbon, wound core, and production methods therefor12 Mar 2026US 2026/0074101 A1Daido Steel Co., Ltd.
- Circuit board integrated inductor, inductor, and electronic device22 Jan 2026US 2026/0024696 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Inductor and dc-dc converter31 Jul 2025US 2025/0247001 A1TDK Corporation
Most cited
By later US patents
- Contact-less power transfer495US 6,906,495 B2Splashpower Limited · 2005
- Contact-less power transfer438US 7,525,283 B2Access Business Group International LLC · 2009
- Contact-less power transfer117US 7,714,537 B2Access Business Group International LLC · 2010
- Contact-less power transfer117US 7,863,861 B2Access Business Group International LLC · 2011
- Contact-less power transfer108US 7,952,324 B2Access Business Group International LLC · 2011