H03K 21/403
Arrangements for storing the counting state in case of power supply interruption
Official title: {Arrangements for storing the counting state in case of power supply interruption}
H03K21/403 (Arrangements for storing the counting state in case of power supply interruption) appears on 90 US grants and 42 published applications in this corpus.
Search patents in H03K- Granted patents
- 90
- Published applications
- 42
- Assignees
- 67
- Inventors
- 139
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 5 | 5 |
| 2005 | 0 | 0 |
| 2006 | 5 | 4 |
| 2007 | 0 | 2 |
| 2008 | 2 | 0 |
| 2009 | 3 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 3 | 4 |
| 2015 | 2 | 2 |
| 2016 | 3 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 3 |
| 2021 | 4 | 3 |
| 2022 | 2 | 5 |
| 2023 | 5 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monotonic counters and counting methods by monotonic counter17 Jun 2025US 12,333,171 B2Wuhan Xinxin Semiconductor Manufacturing Co., Ltd.
- Integration of analog circuits inside digital blocks22 Apr 2025US 12,283,956 B2Apple Inc.
- Monotonic counter memory system13 Feb 2024US 11,901,899 B2Winbond Electronics Corp.
- Non-volatile counter system, counter circuit and power management circuit with isolated dynamic boosted supply19 Dec 2023US 11,847,430 B2Texas Instruments Incorporated
- Monotonic counter3 Oct 2023US 11,776,601 B2Proton World International N.V.
- Counter with low memory demand5 Feb 2026US 2026/0037354 A1NXP B. V.
- Integration of Analog Circuits Inside Digital Blocks11 Jan 2024US 2024/0014821 A1Apple Inc.
- Monotonic counters and counting methods by monotonic counter5 Oct 2023US 2023/0315318 A1Wuhan Xinxin Semiconductor Manufacturing Co., Ltd.
- Monotonic counter memory system27 Oct 2022US 2022/0345135 A1Winbond Electronics Corp.
- Monotonic counter15 Sep 2022US 2022/0293150 A1Proton World International N.V.
Most cited
By later US patents
- Non-volatile counting method and apparatus66US 5,181,231 ATexas Instruments Incorporated · 1993
- Binary encoding method with substantially uniform rate of changing of the binary elements and corresponding method of incrementation and decrementation48US 5,300,930 AFrance Telecom · 1994
- System and method for implementing a counter36US 7,065,607 B2Microsoft Corporation · 2006
- Counter apparatus for an image forming apparatus for counting and managing the number of image forming operations33US 4,774,544 ACasio Computer Co., Ltd. · 1988
- Method and apparatus for counting with a nonvolatile memory30US 4,947,410 ADelco Electyronic Corp. · 1990