H03B 9/00
Generation of oscillations using transit-time effects
Official title: Generation of oscillations using transit-time effects {(construction of tube and circuit arrangements not adapted to a particular application H01J; construction of the semiconductor devices H10)}
H03B9/00 (Generation of oscillations using transit-time effects) appears on 346 US grants and 83 published applications in this corpus.
Search patents in H03B- Granted patents
- 346
- Published applications
- 83
- Assignees
- 151
- Inventors
- 542
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 20 | 0 |
| 1978 | 20 | 0 |
| 1979 | 10 | 0 |
| 1980 | 10 | 0 |
| 1981 | 16 | 0 |
| 1982 | 14 | 0 |
| 1983 | 7 | 0 |
| 1984 | 14 | 0 |
| 1985 | 9 | 0 |
| 1986 | 20 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 13 | 0 |
| 1991 | 13 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 7 | 4 |
| 2003 | 8 | 3 |
| 2004 | 2 | 4 |
| 2005 | 2 | 5 |
| 2006 | 6 | 0 |
| 2007 | 1 | 3 |
| 2008 | 2 | 4 |
| 2009 | 2 | 1 |
| 2010 | 4 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 4 |
| 2013 | 1 | 0 |
| 2014 | 4 | 3 |
| 2015 | 2 | 4 |
| 2016 | 7 | 7 |
| 2017 | 2 | 3 |
| 2018 | 5 | 5 |
| 2019 | 6 | 8 |
| 2020 | 9 | 5 |
| 2021 | 3 | 4 |
| 2022 | 3 | 1 |
| 2023 | 4 | 3 |
| 2024 | 2 | 3 |
| 2025 | 1 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multicore rotary traveling wave oscillator28 Jul 2026US 12,695,423 B2NXP B. V.
- 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
- Simultaneous wireless information and power transfer device and method based on the modulation of power supply ripple of magnetron11 Jun 2024US 12,009,676 B2Sichuan University
- Gunn diode and method for generating a terahertz radiation27 Feb 2024US 11,917,931 B2Technische Universität Darmstadt
- Resonant clocking architecture1 Jan 2026US 2026/0005651 A1Intel Corporation
- Multicore rotary traveling wave oscillator30 Oct 2025US 2025/0337361 A1NXP B. V.
- Magnetron and Microwave Heating Device10 Jul 2025US 2025/0227822 A1Guangdong Witol Vacuum Electronic Manufacture Co., Ltd.
- Magnetron and Microwave Heating Device10 Jul 2025US 2025/0227823 A1Guangdong Witol Vacuum Electronic Manufacture Co., Ltd.
- Slatted Cathode for Frequency Agility of MILO HPM Source1 May 2025US 2025/0141404 A1UNM Rainforest Innovations
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
- Power supplier for magnetron83US 4,076,996 AMatsushita Electric Industrial Co., Ltd. · 1978
- Monolithic microwave transmitter/receiver81US 5,511,238 ATexas Instruments Incorporated · 1996