G05F 3/18
Using zener diodes
Official title: using Zener diodes
G05F3/18 (Using zener diodes) appears on 176 US grants and 108 published applications in this corpus.
Search patents in G05F- Granted patents
- 176
- Published applications
- 108
- Assignees
- 148
- Inventors
- 320
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 4 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 3 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 4 |
| 2013 | 1 | 5 |
| 2014 | 2 | 4 |
| 2015 | 5 | 3 |
| 2016 | 7 | 5 |
| 2017 | 4 | 5 |
| 2018 | 4 | 3 |
| 2019 | 4 | 4 |
| 2020 | 9 | 20 |
| 2021 | 13 | 16 |
| 2022 | 15 | 11 |
| 2023 | 8 | 3 |
| 2024 | 8 | 6 |
| 2025 | 3 | 3 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reference voltage generation circuit27 Jan 2026US 12,535,843 B2Denso Corporation
- Power high-density DC/DC conversion system with overvoltage protection for energy transmission by umbilical cables connected to robotic systems in long pipelines15 Apr 2025US 12,278,480 B2Petroleo Brasileiro S.A. - Petrobras
- Power supply circuit and switching control circuit8 Apr 2025US 12,273,018 B2Fuji Electric Co., Ltd.
- Active discharge of an electric drive system18 Feb 2025US 12,227,086 B2Power Integrations, Inc.
- Reduced gate drive for power converter with dynamically switching ratio31 Dec 2024US 12,184,174 B2Murata Manufacturing Co., Ltd.
- Low voltage solution for zener voltage reference1 Oct 2026US 2026/0299629 A1STMicroelectronics International N. V.
- Voltage reference circuit28 May 2026US 2026/0147369 A1STMicroelectronics International N. V.
- Circuitry to reduce residual voltage of electronic component and electronic device comprising same30 Apr 2026US 2026/0118902 A1Samsung Electronics Co., Ltd.
- Electrical constant current circuit, electrical constant current source, measurement arrangement23 Apr 2026US 2026/0111051 A1Siemens Industry Software Inc.
- Temperature drift compensation for generating a reference voltage26 Mar 2026US 2026/0086592 A1
Most cited
By later US patents
- CMOS temperature insensitive voltage reference53US 4,677,369 APrecision Monolithics, Inc. · 1987
- Off-line bootstrap startup circuit53US 5,477,175 AMotorola, Inc. · 1995
- Voltage supply regulation using master/slave timer circuit modulation48US 5,990,669 ADell USA, L. P. · 1999
- Power switch reverse current protection systems44US 11,996,830 B2Texas Instruments Incorporated · 2024
- Circuit for providing on-chip DC power supply in an integrated circuit40US 4,806,844 AGeneral Electric Company · 1989