H03K 5/135
By the use of time reference signals
Official title: by the use of time reference signals, e.g. clock signals
H03K5/135 (By the use of time reference signals) appears on 1,746 US grants and 1,302 published applications in this corpus.
Search patents in H03K- Granted patents
- 1,746
- Published applications
- 1,302
- Assignees
- 528
- Inventors
- 3,023
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 10 | 0 |
| 1986 | 10 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 13 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 19 | 0 |
| 1995 | 9 | 0 |
| 1996 | 16 | 0 |
| 1997 | 11 | 0 |
| 1998 | 27 | 0 |
| 1999 | 31 | 0 |
| 2000 | 32 | 0 |
| 2001 | 55 | 25 |
| 2002 | 51 | 41 |
| 2003 | 44 | 39 |
| 2004 | 45 | 50 |
| 2005 | 53 | 67 |
| 2006 | 77 | 54 |
| 2007 | 54 | 55 |
| 2008 | 51 | 63 |
| 2009 | 43 | 63 |
| 2010 | 66 | 23 |
| 2011 | 53 | 41 |
| 2012 | 37 | 27 |
| 2013 | 45 | 34 |
| 2014 | 37 | 28 |
| 2015 | 43 | 47 |
| 2016 | 67 | 58 |
| 2017 | 58 | 44 |
| 2018 | 58 | 60 |
| 2019 | 86 | 72 |
| 2020 | 95 | 74 |
| 2021 | 71 | 48 |
| 2022 | 51 | 54 |
| 2023 | 75 | 62 |
| 2024 | 61 | 56 |
| 2025 | 62 | 62 |
| 2026 | 41 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Clock data recovery circuit and phase selector/phase interpolator circuit thereof, and electronic device8 Sep 2026US 12,732,338 B2Smartsens Technology (Hk) Co., Limited
- Delay chain and method of operating same8 Oct 2026US 2026/0312575 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Transmitter, integrated circuit and method for calibrating output impedance8 Oct 2026US 2026/0312576 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Digital sensor for detecting electromagnetic fault injection1 Oct 2026US 2026/0298994 A1Mediatek Inc.
- Time interleaving circuit having glitch mitigation17 Sep 2026US 2026/0280539 A1STMicroelectronics International N. V.
- Circuit and method for improving sensing accuracy17 Sep 2026US 2026/0280540 A1Realtek Semiconductor Corp.
Most cited
By later US patents
- Timing signal generator circuit278US 4,090,096 ANippon Electric Co., Ltd. · 1978
- Exclusive-or gate for use in delay using transmission gate circuitry203US 5,973,507 AFujitsu Limited · 1999
- Phase-locked loop delay line196US 4,922,141 AWestern Digital Corporation · 1990
- Method and apparatus for clock distribution and for distributed clock synchronization189US 5,361,277 AAlberta Telecommunications Research Centre · 1994
- Memory controller with low skew control signal172US 5,692,165 AMicron Electronics, Inc. · 1997