H01F 5/003
Printed circuit coils
Official title: {Printed circuit coils}
H01F5/003 (Printed circuit coils) appears on 604 US grants and 704 published applications in this corpus.
Search patents in H01F- Granted patents
- 604
- Published applications
- 704
- Assignees
- 350
- Inventors
- 1,448
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 4 |
| 2002 | 9 | 13 |
| 2003 | 9 | 13 |
| 2004 | 9 | 20 |
| 2005 | 17 | 14 |
| 2006 | 12 | 8 |
| 2007 | 8 | 14 |
| 2008 | 6 | 11 |
| 2009 | 7 | 20 |
| 2010 | 12 | 20 |
| 2011 | 12 | 13 |
| 2012 | 9 | 16 |
| 2013 | 25 | 77 |
| 2014 | 36 | 34 |
| 2015 | 32 | 25 |
| 2016 | 30 | 18 |
| 2017 | 24 | 31 |
| 2018 | 18 | 42 |
| 2019 | 36 | 47 |
| 2020 | 42 | 66 |
| 2021 | 42 | 47 |
| 2022 | 51 | 39 |
| 2023 | 37 | 32 |
| 2024 | 30 | 36 |
| 2025 | 30 | 26 |
| 2026 | 20 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coil member and camera module comprising same15 Sep 2026US 12,738,405 B2LG Innotek Co., Ltd.
- Magnetic core of an electronic assembly25 Aug 2026US 12,718,976 B2Robert Bosch GmbH
- Integrated circuit25 Aug 2026US 12,721,183 B2Texas Instruments Incorporated
- Electromagnetic PCB crossroads topologies for automation track systems18 Aug 2026US 12,709,494 B2Siemens Healthcare Diagnostics Inc.
- Spiral inductors, transformers and baluns formed from flexible dielectric sheets18 Aug 2026US 12,712,113 B2nanoHenry, Inc.
- Inductor component24 Sep 2026US 2026/0290680 A1Murata Manufacturing Co., Ltd.
- System and method for infrastructure, vehicle and internet of things wireless chargers10 Sep 2026US 2026/0269650 A1Mojo Mobility, Inc.
- Planar coil array and displacement sensor27 Aug 2026US 2026/0251437 A1Hitachi Astemo, Ltd.
- Planar coil array, and displacement sensor27 Aug 2026US 2026/0251480 A1Hitachi Astemo, Ltd.
- Integrated current sensor and energy harvester based on microresonator energy transducer20 Aug 2026US 2026/0245779 A1Schneider Electric USA, Inc.
Most cited
By later US patents
- Inductive power source and charging system591US 7,952,322 B2Mojo Mobility, Inc. · 2011
- System and method for inductive charging of portable devices499US 8,169,185 B2Mojo Mobility, Inc. · 2012
- Contact-less power transfer495US 6,906,495 B2Splashpower Limited · 2005
- Contact-less power transfer438US 7,525,283 B2Access Business Group International LLC · 2009
- Low AC resistance conductor designs242US 8,410,636 B2WiTricity Corporation · 2013