H03K 4/02
Generating pulses having essentially a finite slope or stepped portions: having stepped
Official title: having stepped portions, e.g. staircase waveform
H03K4/02 (Generating pulses having essentially a finite slope or stepped portions: having stepped) appears on 229 US grants and 131 published applications in this corpus.
Search patents in H03K- Granted patents
- 229
- Published applications
- 131
- Assignees
- 161
- Inventors
- 432
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 6 | 5 |
| 2003 | 3 | 1 |
| 2004 | 0 | 5 |
| 2005 | 8 | 4 |
| 2006 | 4 | 4 |
| 2007 | 1 | 2 |
| 2008 | 4 | 3 |
| 2009 | 2 | 1 |
| 2010 | 3 | 9 |
| 2011 | 1 | 7 |
| 2012 | 7 | 2 |
| 2013 | 5 | 7 |
| 2014 | 5 | 10 |
| 2015 | 9 | 10 |
| 2016 | 9 | 6 |
| 2017 | 7 | 5 |
| 2018 | 5 | 5 |
| 2019 | 8 | 10 |
| 2020 | 7 | 7 |
| 2021 | 6 | 7 |
| 2022 | 7 | 4 |
| 2023 | 5 | 3 |
| 2024 | 2 | 5 |
| 2025 | 2 | 4 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Direct current to asymmetrical square wave alternating current converter3 Mar 2026US 12,567,815 B2Power Innotech S.L.
- Waveform generator and control for selective cell ablation24 Feb 2026US 12,558,144 B2Boston Scientific Scimed, Inc.
- Signal modulation apparatus and signal modulation method17 Feb 2026US 12,556,435 B2NEC Corporation
- Voltage ramp generator10 Feb 2026US 12,549,162 B2STMicroelectronics International N. V.
- Method and apparatus for synthesizing binary waveforms3 Feb 2026US 12,542,544 B2Tallinn University of Technology
- Signal generator and method for operating a signal generator13 Aug 2026US 2026/0238195 A1
- Optimization of the lidar laser charging and emission circuit2 Jul 2026US 2026/0186106 A1Y.E. Hub Armenia LLC
- Waveform generator and control for selective cell ablation4 Jun 2026US 2026/0151178 A1Boston Scientific Scimed, Inc.
- Electronic circuit and method for generating a ramped current signal1 Jan 2026US 2026/0005678 A1The Swatch Group Research and Development Ltd
- Wireless charging transmitter device8 May 2025US 2025/0149928 A1STMicroelectronics International N. V.
Most cited
By later US patents
- Output buffer having sequentially-switched output120US 4,789,796 AU. S. Philips Corporation · 1988
- Apparatus for conducting measurements of electrochemiluminescent phenomena64US 5,061,445 AIgen, Inc. · 1991
- Precision oscillator circuits and methods with switched capacitor frequency control and frequency-setting resistor56US 6,614,313 B2Linear Technology Corporation · 2003
- Precision oscillator circuits and methods with switched capacitor frequency control and frequency-setting resistor50US 6,342,817 B12002
- Method and apparatus for conducting electrochemiluminescent measurements47US 5,068,088 AIgen, Inc. · 1991