H03G 3/3015
Using diodes or transistors
Official title: {using diodes or transistors}
H03G3/3015 (Using diodes or transistors) appears on 74 US grants and 23 published applications in this corpus.
Search patents in H03G- Granted patents
- 74
- Published applications
- 23
- Assignees
- 58
- Inventors
- 114
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 4 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable gain amplifier2 Jun 2026US 12,647,081 B2Fujikura Ltd.
- Compensation method for characteristic difference of photoelectric element2 Sep 2025US 12,407,314 B2Teco Image Systems Co., Ltd.
- Audio amplifier with duty ratio control10 Sep 2024US 12,088,267 B2Elite Semiconductor Microelectronics Technology Inc.
- Loss of signal detection8 Mar 2022US 11,271,664 B1Xilinx, Inc.
- Field effect transistor circuits16 Nov 2021US 11,177,786 B1
- Microphones with signal-to-noise ratio on-demand1 Oct 2026US 2026/0303047 A1
- Systems and methods for sensor baseline detection and compensation26 Mar 2026US 2026/0088774 A1Avago Technologies International Sales Pte. Limited
- Compensation method for characteristic difference of photoelectric element30 May 2024US 2024/0178809 A1Teco Image Systems Co., Ltd.
- Variable gain amplifier7 Dec 2023US 2023/0396222 A1Fujikura Ltd.
- Audio amplifier with duty ratio control27 Jul 2023US 2023/0238932 A1Elite Semiconductor Microelectronics Technology Inc.
Most cited
By later US patents
- Automatic gain control for a headset98US 5,369,711 ABellSouth Corporation · 1994
- Amplifier circuit and method of amplifying a signal in an amplifier circuit98US 8,198,941 B2Wolfson Microelectronics plc · 2012
- Optical receiver with improved dynamic range66US 4,415,803 ABell Telephone Laboratories, Incorporated · 1983
- Apparatus for selective noise suppression for hearing aids57US 4,405,831 AThe Regents of the University of California · 1983
- Amplifier circuit and method of amplifying a signal in an amplifier circuit44US 8,514,025 B2Wolfson Microelectronics plc · 2013