H03K 19/017545
Coupling arrangements
Official title: {Coupling arrangements; Impedance matching circuits}
H03K19/017545 (Coupling arrangements) appears on 332 US grants and 276 published applications in this corpus.
Search patents in H03K- Granted patents
- 332
- Published applications
- 276
- Assignees
- 170
- Inventors
- 613
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 4 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 1 | 8 |
| 2009 | 8 | 9 |
| 2010 | 14 | 7 |
| 2011 | 10 | 12 |
| 2012 | 7 | 13 |
| 2013 | 13 | 14 |
| 2014 | 12 | 14 |
| 2015 | 19 | 21 |
| 2016 | 24 | 20 |
| 2017 | 18 | 17 |
| 2018 | 25 | 12 |
| 2019 | 16 | 23 |
| 2020 | 26 | 16 |
| 2021 | 14 | 13 |
| 2022 | 17 | 10 |
| 2023 | 14 | 16 |
| 2024 | 11 | 19 |
| 2025 | 20 | 13 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fast digital isolator1 Sep 2026US 12,726,196 B2Navitas Semiconductor Limited
- Integrated circuit with ESD protection circuit18 Aug 2026US 12,712,547 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Termination circuit of receiver31 Mar 2026US 12,592,849 B2Realtek Semiconductor Corp.
- Pulse signal output circuit and flowmeter20 Jan 2026US 12,529,583 B2Goldcard Smart Group Co., Ltd.
- Digital-to-analog converter circuitry30 Dec 2025US 12,512,851 B2Texas Instruments Incorporated
- Integrated circuit with esd protection circuit8 Oct 2026US 2026/0312588 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Circuits and methods for active power supply decoupling in synchronous digital logic25 Jun 2026US 2026/0180578 A1EM Microelectronic-Marin SA
- 3D IC and a Method for Forming a 3D IC25 Jun 2026US 2026/0182475 A1Imec Vzw
- Digital isolator module having additional delay path4 Jun 2026US 2026/0155824 A1Amazing Microelectronic Corp.
- Method for performing digital operations with aid of full adder architecture with input/output polarity inversion, and associated apparatus30 Apr 2026US 2026/0119123 A1Mediatek Inc.
Most cited
By later US patents
- Electronic arrays having thin film line drivers105US 4,782,340 AEnergy Conversion Devices, Inc. · 1988
- Impedance control circuit96US 6,087,847 AIntel Corporation · 2000
- Output buffer with time varying source impedance for driving capacitively-terminated transmission lines87US 6,980,021 B1Inphi Corporation · 2005
- Logic circuit and semiconductor integrated circuit device capable of operating by different power supplies84US 4,853,560 AHitachi, Ltd. · 1989
- VLSI Chip with ground shielding47US 4,514,749 AAT&T Bell Laboratories · 1985