H03K 3/3568
Multistable circuits
H03K3/3568 (Multistable circuits) appears on 12 US grants and 4 published applications in this corpus.
Search patents in H03K- Granted patents
- 12
- Published applications
- 4
- Assignees
- 8
- Inventors
- 23
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Circuit pre-charging18 Aug 2026US 12,712,530 B2Texas Instruments Incorporated
- Pre-driver circuits for an output driver11 May 2021US 11,005,454 B1GLOBALFOUNDRIES U. S. Inc.
- Master-slave clock generation circuit23 Apr 2019US 10,270,433 B1Apple Inc.
- Transmitter configured for test signal injection to test AC-coupled interconnect12 Dec 2017US 9,841,455 B2Xilinx, Inc.
- Reconfigurable flip-flop1 Sep 2015US 9,124,262 B2Freescale Semiconductor, Inc.
- Circuit pre-charging4 Jul 2024US 2024/0223164 A1Texas Instruments Incorporated
- Transmitter configured for test signal injection to test ac-coupled interconnect24 Nov 2016US 2016/0341780 A1Xilinx, Inc.
- Reconfigurable flip-flop6 Mar 2014US 2014/0062560 A1Freescale Semiconductor, Inc.
- MOS latch with three stable operating points11 Jul 2002US 2002/0089364 A1
Most cited
By later US patents
- Tristable multivibrator18US 4,990,796 A1991
- Ternary logic circuits with CMOS integrated circuits14US 4,107,549 A1978
- Reconfigurable flip-flop9US 8,493,121 B1Freescale Semiconductor, Inc. · 2013
- Semiconductor circuit using feedback to latch multilevel data5US 5,973,535 A1999
- MOS latch with three stable operating points5US 6,794,915 B22004