H01F 41/041
Printed circuit coils
Official title: {Printed circuit coils (apparatus or processes for manufacturing printed circuits in general H05K3/00)}
H01F41/041 (Printed circuit coils) appears on 2,222 US grants and 2,605 published applications in this corpus.
Search patents in H01F- Granted patents
- 2,222
- Published applications
- 2,605
- Assignees
- 633
- Inventors
- 3,934
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 15 | 0 |
| 1998 | 21 | 0 |
| 1999 | 27 | 0 |
| 2000 | 36 | 0 |
| 2001 | 40 | 27 |
| 2002 | 53 | 65 |
| 2003 | 58 | 69 |
| 2004 | 59 | 73 |
| 2005 | 47 | 56 |
| 2006 | 53 | 45 |
| 2007 | 50 | 62 |
| 2008 | 35 | 53 |
| 2009 | 36 | 67 |
| 2010 | 47 | 50 |
| 2011 | 52 | 39 |
| 2012 | 36 | 30 |
| 2013 | 41 | 105 |
| 2014 | 45 | 95 |
| 2015 | 47 | 106 |
| 2016 | 77 | 142 |
| 2017 | 73 | 149 |
| 2018 | 108 | 194 |
| 2019 | 138 | 222 |
| 2020 | 157 | 202 |
| 2021 | 124 | 181 |
| 2022 | 155 | 163 |
| 2023 | 172 | 128 |
| 2024 | 161 | 105 |
| 2025 | 136 | 100 |
| 2026 | 56 | 77 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Inductor coil and forming method thereof6 Oct 2026US 12,755,885 B2Semiconductor Manufacturing International (Shanghai) Corporation
- Coil device and method of manufacturing coil device22 Sep 2026US 12,744,154 B2Mitsubishi Electric Corporation
- Embedded inductor structure and manufacturing method thereof15 Sep 2026US 12,739,976 B2Unimicron Technology Corp.
- Inductor component25 Aug 2026US 12,718,982 B2Murata Manufacturing Co., Ltd.
- Device having an in-substrate inductor and method for making the inductor25 Aug 2026US 12,720,774 B2QUALCOMM Incorporated
- Magnetic paste, circuit member, and method for manufacturing circuit member8 Oct 2026US 2026/0311919 A1
- Filter, preparation method thereof, and electronic apparatus8 Oct 2026US 2026/0312561 A1Beijing BOE Sensor Technology Co., Ltd.
- Inductor packages with added wire bonds coupled to conductive traces of inductor coil to reduce resistance, and related fabrication methods1 Oct 2026US 2026/0302040 A1QUALCOMM Incorporated
- Coil component, method for manufacturing coil component, and electronic/electric device24 Sep 2026US 2026/0290676 A1Delta Electronics (Japan), Inc.
- Coil structure and method for manufacturing same, multilayer substrate circuit using coil structure, magnetic device, and copper foil with resin for coil structure17 Sep 2026US 2026/0279650 A1Tamura Corporation
Most cited
By later US patents
- Method of manufacturing a planar coil construction246US 5,142,767 AThe B. F. Goodrich Company · 1992
- Electronic part and a method of manufacturing the same236US 6,292,139 B1Murata Manufacturing Co., Ltd. · 2001
- Planar inductors213US 4,494,100 AMotorola, Inc. · 1985
- Switching electrical power supply utilizing miniature inductors integrally in a PCB210US 4,622,627 ATheta-J Corporation · 1986
- Transformer for integrated circuits191US 6,031,445 ASTMicroelectronics S.r.l. · 2000