H03F 3/55
With semiconductor devices only
Official title: with semiconductor devices only
H03F3/55 (With semiconductor devices only) appears on 21 US grants and 13 published applications in this corpus.
Search patents in H03F- Granted patents
- 21
- Published applications
- 13
- Assignees
- 15
- Inventors
- 42
- Latest grant
- 23 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 5 | 3 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Traveling-wave transimpedance amplifier23 Jan 2024US 11,881,827 B2Credo Technology Group Limited
- Differential constructive wave oscillator device20 Apr 2021US 10,985,699 B2North Carolina A&T State University
- Variable gain amplifier16 Apr 2019US 10,263,583 B2Sumitomo Electric Industries, Ltd.
- Waveguide to coaxial line transition having rigid hollow cone portions13 Mar 2018US 9,917,343 B2The United States of America as represented by the Secretary of the Navy
- Ultra-wideband radial waveguide to coaxial combiner/divider21 Nov 2017US 9,825,349 B2The United States of America as represented by the Secretary of the Navy
- Signal termination for amplifiers8 Feb 2024US 2024/0048109 A1Semtech Corporation
- Traveling-Wave Transimpedance Amplifier15 Jun 2023US 2023/0188106 A1Credo Technology Group Limited
- Differential constructive wave oscillator device5 Sep 2019US 2019/0273468 A1North Carolina A&T State University
- Variable gain amplifier12 Jul 2018US 2018/0198431 A1Sumitomo Electric Industries, Ltd.
- Wideband Waveguide to Coaxial Transition21 Sep 2017US 2017/0271737 A1The United States of America as represented by the Secretary of the Navy
Most cited
By later US patents
- Waveguide to coaxial line transition having rigid hollow cone portions35US 9,917,343 B2The United States of America as represented by the Secretary of the Navy · 2018
- Microwave signal amplifier25US 4,107,621 AFujitsu Limited · 1978
- Electron bombarded semiconductor device with doubly-distributed deflection means9US 4,328,466 AWatkins-Johnson Company · 1982
- Microwave solid state circuit employing a bipolar transistor structure8US 3,946,336 AInternational Standard Electric Corporation · 1976
- Two-port amplifier5US 4,539,528 ATexas Instruments Incorporated · 1985