H03K 19/20
Logic circuits, i.e. having at least two inputs acting on one output
Official title: characterised by logic function, e.g. AND, OR, NOR, NOT circuits (H03K19/003 - H03K19/01 take precedence)
H03K19/20 (Logic circuits, i.e. having at least two inputs acting on one output) appears on 3,081 US grants and 2,907 published applications in this corpus.
Search patents in H03K- Granted patents
- 3,081
- Published applications
- 2,907
- Assignees
- 940
- Inventors
- 5,670
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 14 | 0 |
| 1987 | 11 | 0 |
| 1988 | 12 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 14 | 0 |
| 1995 | 12 | 0 |
| 1996 | 14 | 0 |
| 1997 | 16 | 0 |
| 1998 | 19 | 0 |
| 1999 | 20 | 0 |
| 2000 | 26 | 0 |
| 2001 | 25 | 3 |
| 2002 | 7 | 6 |
| 2003 | 7 | 6 |
| 2004 | 9 | 8 |
| 2005 | 10 | 18 |
| 2006 | 13 | 16 |
| 2007 | 20 | 14 |
| 2008 | 15 | 18 |
| 2009 | 23 | 28 |
| 2010 | 28 | 33 |
| 2011 | 18 | 32 |
| 2012 | 24 | 27 |
| 2013 | 45 | 46 |
| 2014 | 29 | 29 |
| 2015 | 41 | 58 |
| 2016 | 80 | 74 |
| 2017 | 95 | 136 |
| 2018 | 151 | 164 |
| 2019 | 244 | 232 |
| 2020 | 282 | 278 |
| 2021 | 246 | 258 |
| 2022 | 286 | 340 |
| 2023 | 348 | 340 |
| 2024 | 315 | 318 |
| 2025 | 288 | 258 |
| 2026 | 187 | 167 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Memory comprising command decoding circuit and control circuit6 Oct 2026US 12,755,775 B2CXMT Corporation
- Clock sync input dropout protection6 Oct 2026US 12,756,172 B2Texas Instruments Incorporated
- Low hold multi-bit flip-flop6 Oct 2026US 12,756,381 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Transmitter interpolating clock signal, communication device including the same, and method of operating the same6 Oct 2026US 12,756,382 B2Samsung Electronics Co., Ltd.
- Inverter and bootstrap inverter having improved output characteristics6 Oct 2026US 12,756,396 B2Hoseo University Academic Cooperation Foundation
- Computation in memory for anneal processing using bitwise capacitive coupling8 Oct 2026US 2026/0311023 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Structure and method for in-memory logic gates using gain-cell embedded dram (gc-edram)8 Oct 2026US 2026/0311737 A1Technion Research & Development Foundation Limited
- Dual tracking for fly bit line static random access memory (sram) architecture8 Oct 2026US 2026/0311750 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Integrated circuit and method of forming the same8 Oct 2026US 2026/0312573 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Triple module redundant solid state power switch8 Oct 2026US 2026/0312586 A1Blue Origin Manufacturing, LLC
Most cited
By later US patents
- Method and apparatus for designing circuits for wave pipelining258US 5,796,624 AThe Research Foundation of State University of New York · 1998
- Exclusive or/nor circuit253US 6,356,112 B1Translogic Technology, Inc. · 2002
- Complementary channel type MOS transistor exclusive OR/NOR logic gate circuit212US 4,417,161 AMatsushita Electric Industrial Co., Ltd. · 1983
- Apparatus and method for providing a logical exclusive OR/exclusive NOR function204US 4,424,460 ARockwell International Corporation · 1984
- Exclusive-or gate for use in delay using transmission gate circuitry203US 5,973,507 AFujitsu Limited · 1999