H01F 17/02
Without magnetic core
Official title: without magnetic core
H01F17/02 (Without magnetic core) appears on 168 US grants and 210 published applications in this corpus.
Search patents in H01F- Granted patents
- 168
- Published applications
- 210
- Assignees
- 114
- Inventors
- 511
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 8 |
| 2003 | 13 | 8 |
| 2004 | 1 | 5 |
| 2005 | 7 | 7 |
| 2006 | 6 | 7 |
| 2007 | 7 | 9 |
| 2008 | 3 | 9 |
| 2009 | 1 | 1 |
| 2010 | 2 | 8 |
| 2011 | 5 | 6 |
| 2012 | 3 | 5 |
| 2013 | 4 | 4 |
| 2014 | 3 | 3 |
| 2015 | 1 | 10 |
| 2016 | 5 | 2 |
| 2017 | 10 | 10 |
| 2018 | 6 | 5 |
| 2019 | 8 | 13 |
| 2020 | 2 | 7 |
| 2021 | 5 | 19 |
| 2022 | 6 | 10 |
| 2023 | 13 | 16 |
| 2024 | 12 | 13 |
| 2025 | 12 | 12 |
| 2026 | 7 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thin film inductor element and thin film variable inductor element6 Oct 2026US 12,755,882 B2Japan Atomic Energy Agency
- Inductor component12 May 2026US 12,626,852 B2Murata Manufacturing Co., Ltd.
- Multilayer electronic component5 May 2026US 12,620,516 B2Taiyo Yuden Co., Ltd.
- Multilayer inductor21 Apr 2026US 12,609,229 B2TDK Corporation
- Coil component14 Apr 2026US 12,603,211 B2Samsung Electro-Mechanics Co., Ltd.
- Coil component1 Oct 2026US 2026/0302025 A1TDK Corporation
- Magnetic field cancellation based on wire routing2 Jul 2026US 2026/0188551 A1NVIDIA Corporation
- Method for manufacturing inductors and transformers with continuous winding2 Jul 2026US 2026/0188572 A1Krah IndúStria E ComéRcio De Componentes EletrôNicos Ltda
- Coil component25 Jun 2026US 2026/0179819 A1Samsung Electro-Mechanics Co., Ltd.
- Inductor component18 Jun 2026US 2026/0171299 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Photolithographically patterned spring contact191US 5,613,861 AXerox Corporation · 1997
- Photolithographically patterned spring contact92US 6,264,477 B1Xerox Corporation · 2001
- Photolithographically patterned spring contact84US 5,848,685 AXerox Corporation · 1998
- Method for forming a spring contact80US 5,914,218 AXerox Corporation · 1999
- Photolithographically patterned spring contact77US 6,184,699 B2Xerox Corporation · 2001