H03K 23/56
Reversible counters
Official title: Reversible counters (H03K23/52 {and H03K23/548} take precedence)
H03K23/56 (Reversible counters) appears on 28 US grants and 12 published applications in this corpus.
Search patents in H03K- Granted patents
- 28
- Published applications
- 12
- Assignees
- 16
- Inventors
- 37
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 3 | 0 |
| 2008 | 0 | 1 |
| 2009 | 3 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bidirectional counter and integrated circuit including the same28 Jul 2026US 12,695,456 B2Research & Business Foundation Sungkyunkwan University
- Bidirectional counter in a flash memory16 Jan 2018US 9,870,316 B2Proton World International N.V.
- Bidirectional counter in a flash memory20 Sep 2016US 9,448,926 B2Proton World International N.V.
- Counter array and image sensor including the same14 Feb 2012US 8,115,845 B2Samsung Electronics Co., Ltd.
- Counter circuit, AD conversion method, AD converter, semiconductor device for detecting distribution of physical quantities, and electronic apparatus8 Dec 2009US 7,629,914 B2Sony Corporation
- Bidirectional counter and integrated circuit including the same6 Mar 2025US 2025/0080119 A1Research & Business Foundation Sungkyunkwan University
- Bidirectional counter in a flash memory5 Jan 2017US 2017/0004071 A1Proton World International N.V.
- Bidirectional counter in a flash memory5 Nov 2015US 2015/0317245 A1Proton World International N.V.
- Counter array and image sensor including the same6 Aug 2009US 2009/0195682 A1Samsung Electronics Co., Ltd.
- Counter circuit, ad conversion method, ad converter, semiconductor device for detecting distribution of physical quantities, and electronic apparatus2 Apr 2009US 2009/0084941 A1Sony Corporation
Most cited
By later US patents
- Memory storage cell based array of counters100US 6,567,340 B1NetLogic Microsystems, Inc. · 2003
- Content addressable memory with selectable mask write mode88US 6,757,779 B1NetLogic Microsystems, Inc. · 2004
- Content addressable memory with programmable word width and programmable priority52US 6,934,795 B2NetLogic Microsystems, Inc. · 2005
- Loadable up-down counter with asynchronous reset44US 6,157,209 AXilinx, Inc. · 2000
- Content addressable memory with block-programmable mask write mode, word width and priority39US 6,944,709 B2NetLogic Microsystems, Inc. · 2005