H03K 3/037
Bistable circuits
H03K3/037 (Bistable circuits) appears on 2,566 US grants and 2,130 published applications in this corpus.
Search patents in H03K- Granted patents
- 2,566
- Published applications
- 2,130
- Assignees
- 684
- Inventors
- 4,580
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 13 | 0 |
| 1978 | 7 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 12 | 0 |
| 1986 | 17 | 0 |
| 1987 | 14 | 0 |
| 1988 | 14 | 0 |
| 1989 | 20 | 0 |
| 1990 | 21 | 0 |
| 1991 | 24 | 0 |
| 1992 | 31 | 0 |
| 1993 | 25 | 0 |
| 1994 | 22 | 0 |
| 1995 | 28 | 0 |
| 1996 | 31 | 0 |
| 1997 | 27 | 0 |
| 1998 | 38 | 0 |
| 1999 | 33 | 0 |
| 2000 | 23 | 0 |
| 2001 | 28 | 18 |
| 2002 | 44 | 23 |
| 2003 | 38 | 16 |
| 2004 | 35 | 45 |
| 2005 | 37 | 41 |
| 2006 | 39 | 38 |
| 2007 | 29 | 36 |
| 2008 | 28 | 34 |
| 2009 | 29 | 40 |
| 2010 | 32 | 32 |
| 2011 | 41 | 43 |
| 2012 | 41 | 36 |
| 2013 | 61 | 56 |
| 2014 | 46 | 61 |
| 2015 | 80 | 74 |
| 2016 | 86 | 104 |
| 2017 | 108 | 80 |
| 2018 | 81 | 72 |
| 2019 | 118 | 97 |
| 2020 | 142 | 133 |
| 2021 | 158 | 170 |
| 2022 | 165 | 171 |
| 2023 | 189 | 194 |
| 2024 | 181 | 195 |
| 2025 | 165 | 169 |
| 2026 | 127 | 152 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low hold multi-bit flip-flop6 Oct 2026US 12,756,381 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Class-D audio amplifier29 Sep 2026US 12,750,017 B2Elite Semiconductor Microelectronics Technology Inc.
- Class d amplifier and related chip and electronic apparatus29 Sep 2026US 12,750,018 B2Shenzhen Goodix Technology Co., Ltd.
- Clock transmission circuit and semiconductor device including the same29 Sep 2026US 12,750,041 B2SK hynix Inc.
- Toggle flip-flop and counter including the same29 Sep 2026US 12,750,042 B2Research & Business Foundation Sungkyunkwan University
- Memory performing training operation, memory system, and operation method of the memory system8 Oct 2026US 2026/0310468 A1SK hynix Inc.
- Single-to-differential circuit and method for operating the same8 Oct 2026US 2026/0312571 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Integrated circuit and method of forming the same8 Oct 2026US 2026/0312572 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Semiconductor Device Including a Level Shifter and Method of Mitigating a Delay Between Input and Output Signals8 Oct 2026US 2026/0312589 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Level shifter circuit and method of operating the same8 Oct 2026US 2026/0312590 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Configurable logic element522US 4,706,216 AXilinx, Inc. · 1987
- Photo-sensor cell suitable for IC chip312US 5,055,668 ANissan Motor Co., Ltd. · 1991
- Microprocessor oriented configurable logic element280US 4,758,985 AXilinx, Inc. · 1988
- Semiconductor integrated circuit247US 8,547,771 B2Semiconductor Energy Laboratory Co.Ltd. · 2013
- Programmable logic storage element for programmable logic devices241US 4,677,318 AAltera Corporation · 1987