H03F 3/1935
With junction-fet devices
Official title: {with junction-FET devices}
H03F3/1935 (With junction-fet devices) appears on 256 US grants and 112 published applications in this corpus.
Search patents in H03F- Granted patents
- 256
- Published applications
- 112
- Assignees
- 138
- Inventors
- 470
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 16 | 0 |
| 1999 | 12 | 0 |
| 2000 | 13 | 0 |
| 2001 | 6 | 3 |
| 2002 | 5 | 7 |
| 2003 | 14 | 8 |
| 2004 | 9 | 8 |
| 2005 | 5 | 2 |
| 2006 | 7 | 5 |
| 2007 | 4 | 2 |
| 2008 | 1 | 4 |
| 2009 | 4 | 3 |
| 2010 | 3 | 2 |
| 2011 | 2 | 5 |
| 2012 | 2 | 3 |
| 2013 | 7 | 7 |
| 2014 | 2 | 1 |
| 2015 | 4 | 2 |
| 2016 | 5 | 6 |
| 2017 | 8 | 9 |
| 2018 | 7 | 8 |
| 2019 | 12 | 5 |
| 2020 | 5 | 11 |
| 2021 | 8 | 4 |
| 2022 | 4 | 2 |
| 2023 | 5 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- High-frequency amplifier, transmitting device and receiving device216US 5,903,854 ASony Corporation · 1999
- Semiconductor integrated circuit174US 5,903,178 AMatsushita Electronics Corporation · 1999
- Method and apparatus for reducing key-up distortion by pre-heating transistors134US 5,920,808 AGlenayre Electronics, Inc. · 1999
- High-efficiency modulating RF amplifier107US 6,636,112 B1Tropian, Inc. · 2003
- Multiple-band amplifier104US 5,774,017 AAnadigics, Inc. · 1998