H01F 2038/146
In combination with capacitive coupling
Official title: {in combination with capacitive coupling}
H01F2038/146 (In combination with capacitive coupling) appears on 113 US grants and 113 published applications in this corpus.
Search patents in H01F- Granted patents
- 113
- Published applications
- 113
- Assignees
- 91
- Inventors
- 231
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 4 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 4 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 9 |
| 2015 | 4 | 18 |
| 2016 | 10 | 19 |
| 2017 | 24 | 13 |
| 2018 | 16 | 8 |
| 2019 | 8 | 3 |
| 2020 | 4 | 5 |
| 2021 | 5 | 8 |
| 2022 | 6 | 6 |
| 2023 | 5 | 4 |
| 2024 | 2 | 4 |
| 2025 | 2 | 1 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Foreign object detection in a wireless power transfer system18 Aug 2026US 12,712,395 B2Koninklijke Philips N. V.
- Compact thin-film surface mountable coupler21 Jul 2026US 12,688,968 B2KYOCERA AVX Components Corporation
- Inductive power and communications bus3 Mar 2026US 12,567,537 B2Bitstrata Systems Inc.
- Wireless power transfer apparatus3 Feb 2026US 12,542,456 B2Denso Corporation
- Communication system and communication apparatus27 May 2025US 12,316,359 B2Canon Kabushiki Kaisha
- Inductive power and communications bus4 Jun 2026US 2026/0155299 A1Bitstrata Systems Inc.
- Wireless excitation system3 Jul 2025US 2025/0218655 A1
- Foreign object detection in a wireless power transfer system7 Nov 2024US 2024/0372410 A1Koninklijke Philips N. V.
- Electrical rotary transformer for inductive energy transmission3 Oct 2024US 2024/0331936 A1Mahle International GmbH
- Wireless power transfer system1 Aug 2024US 2024/0258835 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Signal modulation across capacitors205US 5,654,984 ASilicon Systems, Inc. · 1997
- Method and system for contactless energy transmission and data exchange between a terminal and IC card158US 6,173,899 B12001
- Installation137US 7,969,045 B2Sew-Eurodrive GmbH & Co. KG · 2011
- System for contactless power and data transmission116US 5,953,642 ASiemens Aktiengesellschaft · 1999
- Method and apparatus for non-contacting information transmission42US 4,876,535 AZeiss Ikon AG · 1989