H03B 9/12
Generation of oscillations using transit-time effects: using solid state devices
Official title: using solid state devices, e.g. Gunn-effect devices
H03B9/12 (Generation of oscillations using transit-time effects: using solid state devices) appears on 271 US grants and 44 published applications in this corpus.
Search patents in H03B- Granted patents
- 271
- Published applications
- 44
- Assignees
- 101
- Inventors
- 356
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 15 | 0 |
| 1978 | 14 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 15 | 0 |
| 1982 | 12 | 0 |
| 1983 | 6 | 0 |
| 1984 | 14 | 0 |
| 1985 | 9 | 0 |
| 1986 | 19 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 6 | 3 |
| 2003 | 7 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 3 |
| 2006 | 4 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 2 | 1 |
| 2016 | 7 | 6 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 2 | 4 |
| 2020 | 6 | 2 |
| 2021 | 2 | 3 |
| 2022 | 1 | 1 |
| 2023 | 4 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Efficient high power microwave generation using recirculating pulses23 Jun 2026US 12,665,548 B2EHT Ventures LLC
- Device emitting or detecting terahertz waves, and manufacturing method for device25 Feb 2025US 12,237,811 B2Canon Kabushiki Kaisha
- Gunn diode and method for generating a terahertz radiation27 Feb 2024US 11,917,931 B2Technische Universität Darmstadt
- Efficient high power microwave generation using recirculating pulses3 Oct 2023US 11,777,448 B2Eagle Harbor Technologies, Inc.
- Terahertz Gunn oscillator using gallium nitride29 Aug 2023US 11,742,800 B2SixPoint Materials, Inc.
- Efficient high power microwave generation using recirculating pulses4 Jan 2024US 2024/0007052 A1EHT Ventures LLC
- Device emitting or detecting terahertz waves, and manufacturing method for device29 Jun 2023US 2023/0208359 A1Canon Kabushiki Kaisha
- Terahertz gunn oscillator using gallium nitride25 May 2023US 2023/0163724 A1SixPoint Materials, Inc.
- Frequency tuning method in rotary-based oscillator10 Feb 2022US 2022/0045410 A1Samsung Electronics Co., Ltd.
- Gunn diode and method for generating a terahertz radiation21 Oct 2021US 2021/0328143 A1Technische Universität Darmstadt
Most cited
By later US patents
- Compact subharmonic mixer for EHF wave receiver using a single wave guide and receiver utilizing such a mixer106US 4,392,255 AThomson-CSF · 1983
- Microwave oscillator with reduced phase noise100US 5,059,927 AAIL Systems, Inc. · 1991
- Electronic viewing aid88US 5,818,381 ARoscoe C. Williams Limited · 1998
- Monolithic microwave transmitter/receiver81US 5,511,238 ATexas Instruments Incorporated · 1996
- High Tc superconducting tunable ferroelectric transmitting system54US 5,617,104 A1997