H03K 3/3565
Bistables with hysteresis
Official title: Bistables with hysteresis, e.g. Schmitt trigger
H03K3/3565 (Bistables with hysteresis) appears on 446 US grants and 240 published applications in this corpus.
Search patents in H03K- Granted patents
- 446
- Published applications
- 240
- Assignees
- 226
- Inventors
- 803
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 8 | 0 |
| 1988 | 11 | 0 |
| 1989 | 11 | 0 |
| 1990 | 12 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 7 | 0 |
| 1997 | 15 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 16 | 4 |
| 2002 | 19 | 6 |
| 2003 | 9 | 8 |
| 2004 | 6 | 9 |
| 2005 | 10 | 15 |
| 2006 | 12 | 13 |
| 2007 | 14 | 6 |
| 2008 | 10 | 7 |
| 2009 | 5 | 8 |
| 2010 | 6 | 8 |
| 2011 | 4 | 5 |
| 2012 | 6 | 8 |
| 2013 | 10 | 6 |
| 2014 | 13 | 12 |
| 2015 | 4 | 9 |
| 2016 | 7 | 5 |
| 2017 | 8 | 12 |
| 2018 | 17 | 12 |
| 2019 | 13 | 14 |
| 2020 | 21 | 11 |
| 2021 | 13 | 9 |
| 2022 | 11 | 10 |
| 2023 | 6 | 15 |
| 2024 | 11 | 13 |
| 2025 | 11 | 7 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power management integrated circuit6 Oct 2026US 12,756,311 B2Sg Micro Corp
- Apparatus, methods, and systems for calibrating 3D printers4 Aug 2026US 12,697,779 B2Pantheon Design Ltd.
- Input buffer circuit9 Jun 2026US 12,652,029 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Positive hysteresis elimination comparison circuit and motor driver having positive hysteresis elimination comparison circuit21 Apr 2026US 12,609,680 B2Anpec Electronics Corporation
- Hysteretic comparison circuit21 Apr 2026US 12,609,689 B2NXP USA, Inc.
- Power-on detection circuit17 Sep 2026US 2026/0276733 A1eMemory Technology Inc.
- Input buffer circuit17 Sep 2026US 2026/0280536 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Electronic device for detecting external pressure and error occurrence and control method thereof30 Jul 2026US 2026/0219123 A1Samsung Electronics Co., Ltd.
- Differential and single-ended relaxation oscillators for physical unclonable function (puf) circuits and for providing clocks to multiple dies25 Jun 2026US 2026/0180508 A1ATI Technologies ULC
- Receiver circuit with parallel trigger circuitry7 May 2026US 2026/0128741 A1Texas Instruments Incorporated
Most cited
By later US patents
- Asynchronous analog-to-digital converter and method137US 7,466,258 B1Cornell Research Foundation, Inc. · 2008
- Low power three-stage CMOS input buffer with controlled switching113US 4,958,088 AMicron Technology, Inc. · 1990
- VLSI memory with increased memory access speed, increased memory cell density and decreased parasitic capacitance91US 5,241,497 ACreative Integrated Systems, Inc. · 1993
- Level shift circuit56US 4,080,539 ARCA Corporation · 1978
- Logic gate with controllable hysteresis and high frequency voltage controlled oscillator53US 5,594,361 AIntegrated Device Technology, Inc. · 1997