H03K 21/023
Comprising pulse shaping or differentiating circuits
Official title: {comprising pulse shaping or differentiating circuits}
H03K21/023 (Comprising pulse shaping or differentiating circuits) appears on 136 US grants and 123 published applications in this corpus.
Search patents in H03K- Granted patents
- 136
- Published applications
- 123
- Assignees
- 87
- Inventors
- 254
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 4 |
| 2008 | 1 | 1 |
| 2009 | 3 | 6 |
| 2010 | 3 | 3 |
| 2011 | 7 | 9 |
| 2012 | 11 | 9 |
| 2013 | 12 | 16 |
| 2014 | 15 | 14 |
| 2015 | 15 | 19 |
| 2016 | 19 | 10 |
| 2017 | 8 | 3 |
| 2018 | 5 | 5 |
| 2019 | 6 | 4 |
| 2020 | 3 | 0 |
| 2021 | 4 | 2 |
| 2022 | 3 | 5 |
| 2023 | 3 | 3 |
| 2024 | 5 | 4 |
| 2025 | 4 | 5 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, methods, and apparatus to support multiple synchronous clocks with a single clock mesh30 Jun 2026US 12,671,421 B1Marvell Asia Pte Ltd
- Monitoring circuit, semiconductor integrated circuit device, and vehicle31 Mar 2026US 12,591,004 B2Rohm Co., Ltd.
- Divider phase alignment among multiple transmit and receive chains10 Mar 2026US 12,574,201 B2QUALCOMM Incorporated
- Lock-up latch for dual-edge-triggered flip-flops2 Dec 2025US 12,489,430 B2QUALCOMM Incorporated
- Duty-cycle matched differential clock divider circuit30 Sep 2025US 12,431,907 B1Synopsys, Inc.
- Monitoring circuit, semiconductor integrated circuit device, and vehicle25 Jun 2026US 2026/0177608 A1Rohm Co., Ltd.
- Lock-up latch for dual-edge-triggered flip-flops12 Jun 2025US 2025/0192757 A1QUALCOMM Incorporated
- Method and apparatus for early detection of signal excursion out of frequency range10 Apr 2025US 2025/0117038 A1Texas Instruments Incorporated
- Frequency divider circuit10 Apr 2025US 2025/0119146 A1STMicroelectronics International N. V.
- Clock synchronization pulse width scaling6 Mar 2025US 2025/0076918 A1
Most cited
By later US patents
- Dividing circuit and phase locked loop using the same30US 7,843,239 B2Samsung Electronics Co., Ltd. · 2010
- Methods and apparatus for in-pixel filtering in focal plane arrays29US 8,605,853 B2Massachusetts Institute of Technology · 2013
- Dual PLL loop for phase noise filtering26US 7,978,012 B2Multigig Inc. · 2011
- Double data rate (DDR) counter, analog-to-digital converter (ADC) using the same, CMOS image sensor using the same and methods in DDR counter, ADC and CMOS image sensor23US 7,990,304 B2Samsung Electronics Co., Ltd. · 2011
- Integrated circuit, method for driving the same, and semiconductor device22US 8,705,267 B2Semiconductor Energy Laboratory Co.Ltd. · 2014