H03K 21/10
Comprising logic circuits
Official title: comprising logic circuits
H03K21/10 (Comprising logic circuits) appears on 213 US grants and 179 published applications in this corpus.
Search patents in H03K- Granted patents
- 213
- Published applications
- 179
- Assignees
- 117
- Inventors
- 361
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 2 |
| 2003 | 4 | 3 |
| 2004 | 2 | 5 |
| 2005 | 3 | 3 |
| 2006 | 3 | 2 |
| 2007 | 3 | 3 |
| 2008 | 4 | 4 |
| 2009 | 2 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 7 |
| 2012 | 4 | 4 |
| 2013 | 5 | 6 |
| 2014 | 7 | 4 |
| 2015 | 13 | 21 |
| 2016 | 11 | 9 |
| 2017 | 15 | 10 |
| 2018 | 15 | 19 |
| 2019 | 26 | 19 |
| 2020 | 22 | 13 |
| 2021 | 11 | 5 |
| 2022 | 12 | 8 |
| 2023 | 7 | 8 |
| 2024 | 9 | 7 |
| 2025 | 7 | 7 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fractional frequency divider and flash memory controller21 Jul 2026US 12,687,914 B2Silicon Motion, Inc.
- Output switching signal using capacitive element discharging30 Jun 2026US 12,671,422 B2Infineon Technologies AG
- Methods and apparatus to dynamically correct time keeping errors7 Apr 2026US 12,597,933 B2Texas Instruments Incorporated
- Monitoring circuit, semiconductor integrated circuit device, and vehicle31 Mar 2026US 12,591,004 B2Rohm Co., Ltd.
- Apparatus and method for clock frequency estimation with delayed measurements18 Nov 2025US 12,474,385 B2Microchip Technology Incorporated
- Methods and apparatus to dynamically correct time keeping errors6 Aug 2026US 2026/0230078 A1
- Multi-chain radio circuit system, quadrature divider circuit, and synchronization method30 Jul 2026US 2026/0222020 A1Chongqing WuQi Microelectronics Co., Ltd.
- Monitoring circuit, semiconductor integrated circuit device, and vehicle25 Jun 2026US 2026/0177608 A1Rohm Co., Ltd.
- Clock tamper detector and method for detecting a clock tampering event4 Jun 2026US 2026/0153563 A1PUFsecurity Corporation
- Divider circuit28 May 2026US 2026/0149453 A1NXP B. V.
Most cited
By later US patents
- Variable clock divider with selectable duty cycle33US 6,061,418 AXilinx, Inc. · 2000
- Frequency divider employing multiple stages of master/slave flip-flops26US 5,172,400 AMitsubishi Denki Kabushiki Kaisha · 1992
- Linear low noise phase loop frequency synthesizer using controlled divider pulse widths25US 6,404,291 B1Philsar Semiconductor Inc. · 2002
- Divide by three clock divider with symmetrical output23US 4,366,394 ARockwell International Corporation · 1982
- Symmetric clock system for a data processing system including dynamically switchable frequency divider23US 5,524,035 AInternational Business Machines Corporation · 1996