H01P 1/227
Strip line attenuators
Official title: {Strip line attenuators (H01P1/23 takes precedence)}
H01P1/227 (Strip line attenuators) appears on 154 US grants and 112 published applications in this corpus.
Search patents in H01P- Granted patents
- 154
- Published applications
- 112
- Assignees
- 102
- Inventors
- 269
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 1 |
| 2003 | 2 | 6 |
| 2004 | 4 | 4 |
| 2005 | 2 | 1 |
| 2006 | 3 | 4 |
| 2007 | 7 | 5 |
| 2008 | 0 | 1 |
| 2009 | 4 | 6 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 5 | 6 |
| 2013 | 4 | 5 |
| 2014 | 2 | 2 |
| 2015 | 5 | 4 |
| 2016 | 7 | 5 |
| 2017 | 8 | 4 |
| 2018 | 3 | 7 |
| 2019 | 11 | 11 |
| 2020 | 5 | 7 |
| 2021 | 8 | 4 |
| 2022 | 6 | 5 |
| 2023 | 4 | 12 |
| 2024 | 4 | 3 |
| 2025 | 6 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Signal transmission control device and electronic device including the same18 Aug 2026US 12,712,269 B2Seoul National University R&Db Foundation
- Phase shifter with controllable attenuation and method for controlling same13 Jan 2026US 12,525,927 B2NXP B. V.
- Interface between cryogenic computational hardware and room temperature computational hardware16 Sep 2025US 12,417,398 B2Quantum Circuits, Inc.
- Loss-controlled computing cable2 Sep 2025US 12,406,781 B2Dell Products L. P.
- Filter for laminated circuit assembly8 Jul 2025US 12,353,953 B2Google Inc.
- Parallel radiofrequency blanking switch system, apparatus and method26 Mar 2026US 2026/0088841 A1The United States of America as represented by the Secretary of the Navy
- Signal transmission control device and electronic device including the same28 Aug 2025US 2025/0273863 A1Seoul National University R&Db Foundation
- Reconfigurable monolithically integrated phase-change attenuator and methods thereof14 Aug 2025US 2025/0260391 A1
- Coulomb blockade thermometer15 May 2025US 2025/0155295 A1Teknologian tutkimuskeskus VTT Oy
- An attenuator or a dissipating element24 Apr 2025US 2025/0132482 A1Teknologian tutkimuskeskus VTT Oy
Most cited
By later US patents
- Crosstalk cancellation and/or reduction148US 9,293,798 B2Intel Corporation · 2016
- FET monolithic microwave integrated circuit variable attenuator90US 4,890,077 ATeledyne MEC · 1989
- Variable microwave attenuator86US 4,009,456 AGeneral Microwave Corporation · 1977
- Systems, methods, and apparatus for electrical filters and input/output systems45US 8,159,313 B2D-Wave Systems Inc. · 2012
- Wideband (DC-50 GHz) MMIC FET variable matched attenuator35US 4,837,530 AHewlett-Packard Company · 1989