H01F 41/066
With insulation
Official title: with insulation
H01F41/066 (With insulation) appears on 90 US grants and 92 published applications in this corpus.
Search patents in H01F- Granted patents
- 90
- Published applications
- 92
- Assignees
- 85
- Inventors
- 250
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 4 |
| 2006 | 2 | 1 |
| 2007 | 3 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 6 |
| 2013 | 1 | 4 |
| 2014 | 1 | 7 |
| 2015 | 5 | 5 |
| 2016 | 5 | 3 |
| 2017 | 6 | 5 |
| 2018 | 3 | 5 |
| 2019 | 3 | 7 |
| 2020 | 4 | 5 |
| 2021 | 10 | 13 |
| 2022 | 2 | 6 |
| 2023 | 7 | 3 |
| 2024 | 7 | 3 |
| 2025 | 4 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnetic module and method of making the same and electrical connector including the magnetic module20 Jan 2026US 12,531,179 B2Foxconn Interconnect Technology Limited
- Inductor14 Oct 2025US 12,444,532 B2Nitto Denko Corporation
- Transformer and method of manufacturing a transformer8 Jul 2025US 12,354,782 B2Hitachi Energy Ltd
- Coil component and method of manufacturing the same18 Feb 2025US 12,230,433 B2Murata Manufacturing Co., Ltd.
- Wound magnetic core7 Jan 2025US 12,191,071 B2Proterial, Ltd.
- Coil component and method for manufacturing the same11 Jun 2026US 2026/0162870 A1Murata Manufacturing Co., Ltd.
- Power inductor and preparation method therefor24 Jul 2025US 2025/0239398 A1Hengdian Group Dmegc Magnetics Co., Ltd
- RF High Power Transformer Wound with Twisted Wire Bundle22 May 2025US 2025/0166887 A1Wjlp Company Inc.
- Integrated Transformer27 Mar 2025US 2025/0104901 A1AA Power Inc.
- Inductor and method for manufacturing same17 Oct 2024US 2024/0347255 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Multilayer insulated wire and a manufacturing method therefor24US 5,606,152 AFurukawa Electric Co., Ltd. · 1997
- Method of manufacturing insulated coil21US 7,120,993 B2Mitsubishi Denki Kabushiki Kaisha · 2006
- Voice coil with rectangular coil wire and foil leads18US 5,027,412 APioneer Electronic Corporation · 1991
- Printed circuit board transformer17US 7,301,428 B2Keihin Corporation · 2007
- Coil winding machine11US 4,870,742 ACooper Power Systems, Inc. · 1989