H03K 19/02
Logic circuits, i.e. having at least two inputs acting on one output
Official title: using specified components ({H03K19/0005 - H03K19/0021}, H03K19/003 - H03K19/0175 take precedence)
H03K19/02 (Logic circuits, i.e. having at least two inputs acting on one output) appears on 11,442 US grants and 6,509 published applications in this corpus.
Search patents in H03K- Granted patents
- 11,442
- Published applications
- 6,509
- Assignees
- 1,721
- Inventors
- 12,576
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 94 | 0 |
| 1977 | 87 | 0 |
| 1978 | 71 | 0 |
| 1979 | 42 | 0 |
| 1980 | 44 | 0 |
| 1981 | 56 | 0 |
| 1982 | 51 | 0 |
| 1983 | 64 | 0 |
| 1984 | 85 | 0 |
| 1985 | 110 | 0 |
| 1986 | 111 | 0 |
| 1987 | 153 | 0 |
| 1988 | 125 | 0 |
| 1989 | 168 | 0 |
| 1990 | 158 | 0 |
| 1991 | 161 | 0 |
| 1992 | 159 | 0 |
| 1993 | 139 | 0 |
| 1994 | 177 | 0 |
| 1995 | 197 | 0 |
| 1996 | 187 | 0 |
| 1997 | 180 | 0 |
| 1998 | 238 | 0 |
| 1999 | 221 | 0 |
| 2000 | 300 | 0 |
| 2001 | 329 | 62 |
| 2002 | 278 | 153 |
| 2003 | 218 | 167 |
| 2004 | 238 | 174 |
| 2005 | 233 | 210 |
| 2006 | 294 | 235 |
| 2007 | 334 | 261 |
| 2008 | 321 | 281 |
| 2009 | 340 | 190 |
| 2010 | 349 | 218 |
| 2011 | 267 | 195 |
| 2012 | 227 | 203 |
| 2013 | 302 | 230 |
| 2014 | 261 | 214 |
| 2015 | 292 | 262 |
| 2016 | 324 | 249 |
| 2017 | 372 | 280 |
| 2018 | 330 | 349 |
| 2019 | 437 | 393 |
| 2020 | 465 | 389 |
| 2021 | 338 | 331 |
| 2022 | 330 | 391 |
| 2023 | 350 | 332 |
| 2024 | 358 | 275 |
| 2025 | 282 | 229 |
| 2026 | 195 | 236 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03K 19/173Using elementary logic circuits as components7,054
- H03K 19/08Using semiconductor devices3,643
- H03K 19/195Using superconductive devices613
- H03K 19/18Using galvano-magnetic devices206
- H03K 19/16Using saturable magnetic devices122
- H03K 19/14Using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled84
- H03K 19/185Using dielectric elements with variable dielectric constant72
- H03K 19/04Using gas-filled tubes13
All 11 subgroupsShow fewer
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Most cited
By later US patents
- Configurable electrical circuit having configurable logic elements and configurable interconnects894US 4,870,302 AXilinx, Inc. · 1989
- Configurable logic element522US 4,706,216 AXilinx, Inc. · 1987
- Programmable logic device which stores more than one configuration and means for switching configurations502US 5,426,378 AXilinx, Inc. · 1995
- Customizable and programmable cell array498US 6,642,744 B2eASIC Corporation · 2003
- Semiconductor device477US 6,476,493 B22002