H03B 7/12
Generation of oscillations using active element having a negative resistance between two
Official title: with frequency-determining element comprising distributed inductance and capacitance
H03B7/12 (Generation of oscillations using active element having a negative resistance between two) appears on 86 US grants and 43 published applications in this corpus.
Search patents in H03B- Granted patents
- 86
- Published applications
- 43
- Assignees
- 44
- Inventors
- 114
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 3 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 4 |
| 2014 | 1 | 4 |
| 2015 | 4 | 0 |
| 2016 | 4 | 5 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 2 | 3 |
| 2020 | 3 | 2 |
| 2021 | 3 | 4 |
| 2022 | 5 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 2 |
| 2025 | 3 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Element, and terahertz camera system using element8 Jul 2025US 12,355,147 B2Canon Kabushiki Kaisha
- Oscillator and detecting system17 Jun 2025US 12,334,870 B2Canon Kabushiki Kaisha
- Element having antenna array structure4 Feb 2025US 12,218,441 B2Canon Kabushiki Kaisha
- Terahertz light source device16 Jan 2024US 11,876,143 B2Electronics and Telecommunications Research Institute
- Element having antenna array structure28 Nov 2023US 11,831,063 B2Canon Kabushiki Kaisha
- Terahertz device30 Apr 2026US 2026/0121285 A1Rohm Co., Ltd.
- Terahertz device30 Apr 2026US 2026/0123085 A1Rohm Co., Ltd.
- Semiconductor device and electromagnetic wave device3 Oct 2024US 2024/0332226 A1Rohm Co., Ltd.
- Element having antenna array structure11 Jan 2024US 2024/0014559 A1Canon Kabushiki Kaisha
- Element, and terahertz camera system using element7 Sep 2023US 2023/0282970 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Electronic viewing aid88US 5,818,381 ARoscoe C. Williams Limited · 1998
- Oscillator having stripline loop resonator61US 4,749,963 AMatsushita Electric Industrial Co., Ltd. · 1988
- Tunable, dielectric-resonator-stabilized oscillator and method of tuning same50US 4,639,690 ALitton Systems, Inc. · 1987
- Microwave power accumulator33US 3,931,587 AHughes Aircraft Company · 1976
- FMCW radar system30US 6,094,158 A2000