H03K 3/015
Modifications of generator to maintain energy constant
H03K3/015 (Modifications of generator to maintain energy constant) appears on 28 US grants and 22 published applications in this corpus.
Search patents in H03K- Granted patents
- 28
- Published applications
- 22
- Assignees
- 28
- Inventors
- 48
- Latest grant
- 26 May 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 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 2 | 3 |
| 2015 | 4 | 2 |
| 2016 | 5 | 4 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Implantable pulse generator having a pulse generation device26 May 2026US 12,636,510 B2Biotronik SE & Co.KG
- Implantable pulse generator having rectangular shock waveform24 Jun 2025US 12,337,186 B2Biotronik SE & Co.KG
- Word line drive circuit and dynamic random access memory28 Nov 2023US 11,830,553 B2Changxin Memory Technologies, Inc.
- Drive control circuit18 Oct 2022US 11,476,846 B2Kabushiki Kaisha Toshiba
- Square pulse optical transmission circuit15 Dec 2020US 10,868,522 B2STMicroelectronics (Alps) SAS
- Implantable Pulse Generator Having a Pulse Generation Device14 Mar 2024US 2024/0082591 A1Biotronik SE & Co.KG
- Implantable Pulse Generator Having Rectangular Shock Waveform11 Aug 2022US 2022/0249853 A1Biotronik SE & Co.KG
- Word line drive circuit and dynamic random access memory28 Apr 2022US 2022/0130460 A1Changxin Memory Technologies, Inc.
- Drive control circuit17 Mar 2022US 2022/0085805 A1Kabushiki Kaisha Toshiba
- Electric Circuit, a Method for Generating a Pulse Width Modulated Output Signal, and a Control System for a Time-of-Flight Camera11 Feb 2021US 2021/0041533 A1Infineon Technologies AG
Most cited
By later US patents
- System to control the on-off time of a pulse train of variable frequency, particularly the dwell time of ignition signals for an internal combustion engine18US 4,198,936 ARobert Bosch GmbH · 1980
- Fractional-N all digital phase locked loop incorporating look ahead time to digital converter18US 9,455,667 B2Short Circuit Technologies LLC · 2016
- Circuit arrangement to generate squarewave signals with constant duty cycle16US 4,736,118 ASiemens Aktiengesellschaft · 1988
- Gate driving circuit12US 8,971,479 B2Au Optronics Corporation · 2015
- System and device for reducing instantaneous voltage droop during a scan shift operation11US 8,627,160 B2LSI Corporation · 2014