H03K 3/06
Using at least two tubes so coupled that the input of one
Official title: using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator
H03K3/06 (Using at least two tubes so coupled that the input of one) appears on 24 US grants and 21 published applications in this corpus.
Search patents in H03K- Granted patents
- 24
- Published applications
- 21
- Assignees
- 18
- Inventors
- 45
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 2 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 3 |
| 2017 | 2 | 1 |
| 2018 | 0 | 1 |
| 2019 | 3 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 2 |
| 2022 | 0 | 2 |
| 2023 | 2 | 2 |
| 2024 | 4 | 4 |
| 2025 | 2 | 0 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Input buffer circuit9 Jun 2026US 12,652,029 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Device and method for high power-density thermionic energy conversion14 Apr 2026US 12,603,266 B2Space Charge, LLC
- Oscillator monitoring circuits for different oscillator domains31 Mar 2026US 12,592,703 B2Allegro MicroSystems, LLC
- Schmitt trigger with pull-up transistor9 Dec 2025US 12,494,773 B2STMicroelectronics International N. V.
- Time domain-based power supply droop detector4 Nov 2025US 12,463,622 B1Advanced Micro Devices, Inc.
- Input buffer circuit17 Sep 2026US 2026/0280536 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Oscillator monitoring circuits for different oscillator domains31 Oct 2024US 2024/0364353 A1Allegro MicroSystems, LLC
- Oscillator monitoring circuits for different oscillator domains13 Jun 2024US 2024/0195424 A1Allegro MicroSystems, LLC
- Schmitt trigger with pull-up transistor6 Jun 2024US 2024/0186991 A1STMicroelectronics International N. V.
- Input buffer circuit21 Mar 2024US 2024/0097662 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Clock integrated circuit20US 7,961,027 B1Macronix International Co., Ltd. · 2011
- Dynamic latch circuitry12US 6,087,872 AAdvanced Micro Devices, Inc. · 2000
- Clock integrated circuit7US 8,217,698 B2Macronix International Co., Ltd. · 2012
- Variable frequency relaxation oscillator6US 9,401,703 B1Freescale Semiconductor, Inc. · 2016
- Thermionic wave generator (TWG)3US 10,388,496 B2Space Charge, LLC · 2019