H01P 1/36
Isolators
H01P1/36 (Isolators) appears on 222 US grants and 240 published applications in this corpus.
Search patents in H01P- Granted patents
- 222
- Published applications
- 240
- Assignees
- 104
- Inventors
- 409
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 4 |
| 2002 | 4 | 7 |
| 2003 | 4 | 1 |
| 2004 | 2 | 10 |
| 2005 | 8 | 6 |
| 2006 | 5 | 3 |
| 2007 | 4 | 4 |
| 2008 | 4 | 2 |
| 2009 | 3 | 9 |
| 2010 | 6 | 8 |
| 2011 | 3 | 2 |
| 2012 | 6 | 5 |
| 2013 | 7 | 6 |
| 2014 | 1 | 5 |
| 2015 | 7 | 14 |
| 2016 | 6 | 12 |
| 2017 | 11 | 5 |
| 2018 | 10 | 19 |
| 2019 | 8 | 19 |
| 2020 | 15 | 13 |
| 2021 | 12 | 16 |
| 2022 | 13 | 18 |
| 2023 | 17 | 17 |
| 2024 | 15 | 18 |
| 2025 | 16 | 9 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Isolator29 Sep 2026US 12,749,787 B2Kabushiki Kaisha Toshiba
- Non-reciprocal circuit21 Apr 2026US 12,609,430 B2Mitsubishi Electric Corporation
- Methods of forming a temperature-stable, low-dielectric constant material with an ultra-low loss tangent31 Mar 2026US 12,590,034 B2Skyworks Solutions, Inc.
- Isolator10 Feb 2026US 12,548,875 B2Kabushiki Kaisha Toshiba
- Isolator10 Feb 2026US 12,549,133 B2Inter-University Research Institute Corporation National Institutes of Natural Sciences
- Waveguide device, microwave outdoor unit, and long-haul microwave transmission device24 Sep 2026US 2026/0291044 A1
- Isolator and method of magnetization for isolator3 Sep 2026US 2026/0261028 A1KYOCERA Corporation
- Methods of forming a temperature-stable, low-dielectric constant material with an ultra-low loss tangent16 Jul 2026US 2026/0200802 A1Skyworks Solutions, Inc.
- Low loss tangent dielectric based on spinel-structured oxide2 Jul 2026US 2026/0188537 A1Skyworks Solutions, Inc.
- Isolation-filtering unit25 Jun 2026US 2026/0180616 A1
Most cited
By later US patents
- Electrosurgical apparatus129US 10,080,609 B2Creo Medical Limited · 2018
- Electrosurgical apparatus for generating radiofrequency energy and microwave energy for delivery into biological tissue124US 10,188,455 B2Creo Medical Limited · 2019
- Non-reciprocal broadband slot line device55US 4,027,253 ASociete Lignes Telegraphiques et Telephoniques · 1977
- Surface wave repeater with controllable isolator and methods for use therewith50US 10,812,136 B1AT&T Intellectual Property I, L. P. · 2020
- Nonreciprocal circuit element24US 5,068,629 AMurata Manufacturing Co., Ltd. · 1991