H03K 19/018557
Coupling arrangements
Official title: {Coupling arrangements; Impedance matching circuits}
H03K19/018557 (Coupling arrangements) appears on 457 US grants and 384 published applications in this corpus.
Search patents in H03K- Granted patents
- 457
- Published applications
- 384
- Assignees
- 209
- Inventors
- 798
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 5 |
| 2003 | 7 | 7 |
| 2004 | 9 | 14 |
| 2005 | 9 | 11 |
| 2006 | 13 | 17 |
| 2007 | 11 | 16 |
| 2008 | 20 | 24 |
| 2009 | 14 | 22 |
| 2010 | 23 | 12 |
| 2011 | 17 | 10 |
| 2012 | 10 | 15 |
| 2013 | 23 | 25 |
| 2014 | 14 | 12 |
| 2015 | 9 | 15 |
| 2016 | 24 | 15 |
| 2017 | 19 | 18 |
| 2018 | 16 | 15 |
| 2019 | 30 | 18 |
| 2020 | 26 | 20 |
| 2021 | 18 | 21 |
| 2022 | 16 | 18 |
| 2023 | 14 | 9 |
| 2024 | 12 | 17 |
| 2025 | 6 | 12 |
| 2026 | 10 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Semiconductor device and electronic appliance18 Aug 2026US 12,711,930 B2Semiconductor Energy Laboratory Co.Ltd.
- High-speed dynamic-impedance digital CMOS gate drivers for wide band-gap power devices28 Jul 2026US 12,695,451 B2Kinetic Technologies International Holdings LP
- Semiconductor device and semiconductor system14 Jul 2026US 12,683,587 B2Renesas Electronics Corporation
- Semiconductor device, semiconductor system, and method of controlling semiconductor device9 Jun 2026US 12,652,045 B2Kioxia Corporation
- Semiconductor devices with voltage adjustment2 Jun 2026US 12,646,930 B2Samsung Electronics Co., Ltd.
- Semiconductor device, semiconductor system, and method of controlling semiconductor device17 Sep 2026US 2026/0280561 A1Kioxia Corporation
- High-speed dynamic-impedance digital cmos gate drivers for wide band-gap power devices10 Sep 2026US 2026/0269829 A1Kinetic Technologies International Holdings LP
- Dual rail memory circuits and methods for forming the same20 Aug 2026US 2026/0245618 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Power switch circuit, ic structure of power switch circuit, and method of forming ic structure30 Jul 2026US 2026/0221972 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Control circuit, switched-capacitor converter, chip, and electronic device16 Jul 2026US 2026/0205003 A1Zhuhai Nanxin Semiconductor Technology Co., Ltd.
Most cited
By later US patents
- Programmable LED driver226US 6,144,222 AInternational Business Machines Corporation · 2000
- Drivers and receivers for interfacing VLSI CMOS circuits to transmission lines213US 5,023,488 AXerox Corporation · 1991
- High speed CMOS driver circuit195US 5,165,046 AMicron Technology, Inc. · 1992
- Logical amplitude level conversion circuit, liquid crystal device and electronic apparatus103US 6,081,131 ASeiko Epson Corporation · 2000
- Output device circuit and method to minimize impedance fluctuations during crossover91US 5,075,569 ATektronix, Inc. · 1991