H03K 17/081
Without feedback from the output circuit to the control circuit
Official title: without feedback from the output circuit to the control circuit
H03K17/081 (Without feedback from the output circuit to the control circuit) appears on 2,192 US grants and 1,918 published applications in this corpus.
Search patents in H03K- Granted patents
- 2,192
- Published applications
- 1,918
- Assignees
- 822
- Inventors
- 4,220
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 11 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 16 | 0 |
| 1985 | 5 | 0 |
| 1986 | 20 | 0 |
| 1987 | 29 | 0 |
| 1988 | 27 | 0 |
| 1989 | 14 | 0 |
| 1990 | 20 | 0 |
| 1991 | 18 | 0 |
| 1992 | 32 | 0 |
| 1993 | 25 | 0 |
| 1994 | 19 | 0 |
| 1995 | 33 | 0 |
| 1996 | 29 | 0 |
| 1997 | 26 | 0 |
| 1998 | 41 | 0 |
| 1999 | 41 | 0 |
| 2000 | 35 | 0 |
| 2001 | 22 | 8 |
| 2002 | 30 | 24 |
| 2003 | 46 | 36 |
| 2004 | 26 | 42 |
| 2005 | 22 | 39 |
| 2006 | 35 | 39 |
| 2007 | 30 | 33 |
| 2008 | 24 | 47 |
| 2009 | 36 | 50 |
| 2010 | 35 | 36 |
| 2011 | 42 | 49 |
| 2012 | 22 | 39 |
| 2013 | 41 | 37 |
| 2014 | 55 | 58 |
| 2015 | 50 | 60 |
| 2016 | 46 | 61 |
| 2017 | 65 | 99 |
| 2018 | 80 | 117 |
| 2019 | 138 | 137 |
| 2020 | 155 | 138 |
| 2021 | 115 | 133 |
| 2022 | 113 | 123 |
| 2023 | 109 | 125 |
| 2024 | 121 | 178 |
| 2025 | 150 | 124 |
| 2026 | 97 | 86 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pulsed transistor driver circuit6 Oct 2026US 12,756,292 B2Texas Instruments Incorporated
- Driving circuit, voltage converter and control method thereof6 Oct 2026US 12,756,314 B2PowerX Semiconductor Corporation
- Driver circuit with temperature detection circuit6 Oct 2026US 12,756,385 B2Fuji Electric Co., Ltd.
- Asymmetric power module6 Oct 2026US 12,756,387 B2Infineon Technologies AG
- Circuit for preventing current backflow, chip, and electronic system6 Oct 2026US 12,757,498 B2Realtek Semiconductor Corp.
- Pwm electromechanical valve driver with dual path current recirculation8 Oct 2026US 2026/0311921 A1Siemens Healthcare Diagnostics Inc.
- Semiconductor device8 Oct 2026US 2026/0312580 A1Fuji Electric Co., Ltd.
- Discharging of a damping capacitor8 Oct 2026US 2026/0312581 A1ams-OSRAM AG
- Method for operating an induction heating apparatus, and in-duction heating apparatus8 Oct 2026US 2026/0313759 A1E. G. O. Elektro-Geratebau GmbH
- Electrostatic discharge circuitry for a high-voltage semiconductor device8 Oct 2026US 2026/0313927 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Technique for reducing rectifier reverse-recovery-related losses in high-voltage high power converters134US 5,736,842 ADelta Electronics, Inc. · 1998
- Protective circuit and device for metal-oxide-semiconductor field effect transistor and method for fabricating the device108US 4,086,642 AHitachi, Ltd. · 1978
- Power driver having short circuit protection107US 4,698,582 AMotorola, Inc. · 1987
- Bridge circuits and their components104US 7,965,126 B2Transphorm Inc. · 2011
- Electrostatic discharge protection structures for high speed technologies with mixed and ultra-low voltage supplies100US 6,768,616 B2Sarnoff Corporation · 2004