H01P 1/12
By mechanical chopper
Official title: by mechanical chopper
H01P1/12 (By mechanical chopper) appears on 469 US grants and 321 published applications in this corpus.
Search patents in H01P- Granted patents
- 469
- Published applications
- 321
- Assignees
- 240
- Inventors
- 883
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 9 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 11 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 16 | 0 |
| 2001 | 12 | 2 |
| 2002 | 16 | 16 |
| 2003 | 20 | 27 |
| 2004 | 25 | 27 |
| 2005 | 22 | 28 |
| 2006 | 23 | 14 |
| 2007 | 15 | 18 |
| 2008 | 14 | 12 |
| 2009 | 14 | 16 |
| 2010 | 13 | 7 |
| 2011 | 9 | 17 |
| 2012 | 9 | 10 |
| 2013 | 17 | 9 |
| 2014 | 11 | 12 |
| 2015 | 13 | 4 |
| 2016 | 8 | 8 |
| 2017 | 9 | 13 |
| 2018 | 17 | 14 |
| 2019 | 15 | 9 |
| 2020 | 9 | 14 |
| 2021 | 6 | 11 |
| 2022 | 13 | 11 |
| 2023 | 8 | 6 |
| 2024 | 9 | 7 |
| 2025 | 11 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Waveguide structure26 May 2026US 12,640,454 B2Menlo Microsystems, Inc.
- MEMS switch24 Mar 2026US 12,586,736 B2Texas Instruments Incorporated
- Phase shifter and method for preparing phase shifter25 Nov 2025US 12,482,910 B2Beijing BOE Technology Development Co., Ltd.
- MEMS switch with beam contact portion continuously extending between input and output terminal electrodes18 Nov 2025US 12,476,062 B2Qorvo US, Inc.
- High frequency differential single pole multiple throw switch module18 Nov 2025US 12,476,627 B2Menlo Microsystems, Inc.
- Failsafe ohmic-capacitive membrane actuator-based radio frequency switch24 Sep 2026US 2026/0290713 A1Dell Products L. P.
- Mems switch16 Jul 2026US 2026/0204490 A1Texas Instruments Incorporated
- Plasma radio-frequency waveguide switch7 May 2026US 2026/0129741 A1Northrop Grumman Systems Corporation
- Phase shifter and method for preparing phase shifter12 Feb 2026US 2026/0045670 A1Boe Technology Group Co., Ltd.
- High-frequency switching device25 Dec 2025US 2025/0392330 A1NRLAB Co., Ltd.
Most cited
By later US patents
- Microminiature, monolithic, variable electrical signal processor and apparatus including same455US 5,526,172 ATexas Instruments Incorporated · 1996
- Design and fabrication of broadband surface-micromachined micro-electro-mechanical switches for microwave and millimeter-wave applications270US 6,046,659 AHughes Electronics Corporation · 2000
- Micromechanical microwave switching243US 5,619,061 ATexas Instruments Incorporated · 1997
- Single-pole multi-throw switch having low parasitic reactance, and an antenna incorporating the same224US 7,276,990 B2HRL Laboratories, LLC · 2007
- Method and system for fabrication of integrated tunable/switchable passive microwave and millimeter wave modules203US 6,876,056 B2Interuniversitair Microelektronica Centrum (IMEC) · 2005