H01P 1/175
Using faraday rotators
Official title: using Faraday rotators
H01P1/175 (Using faraday rotators) appears on 8 US grants and 3 published applications in this corpus.
Search patents in H01P- Granted patents
- 8
- Published applications
- 3
- Assignees
- 7
- Inventors
- 13
- Latest grant
- 9 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hybrid circulator9 Jul 2024US 12,034,196 B2Micro Harmonics Corporation
- System for fiber DC magneto-optic detection and method thereof8 Jul 2014US 8,773,119 B23S Hi-Technologies Co., Ltd.
- Wide-bandwidth polarization modulator for microwave and mm-wavelengths10 Mar 2009US 7,501,909 B2California Institute of Technology
- Microwave signal receiving apparatus9 Nov 1993US 5,260,713 AMotson & Company Limited
- Ferrite polarizer20 Jul 1993US 5,229,737 AMarconi Electronic Devices Limited
- Hybrid circulator1 Sep 2022US 2022/0278433 A1Micro Harmonics Corporation
- System for fiber dc magneto-optic detection and method thereof1 Nov 2012US 2012/0274321 A13S Hi-Technologies Co., Ltd.
- Wide-bandwidth polarization modulator for microwave and mm-wavelengths14 Dec 2006US 2006/0279373 A1California Institute of Technology
Most cited
By later US patents
- Feed waveguide with ferrite rod polarizer and stepped dielectric support for matching13US 5,122,810 ARacal-Mesl Limited · 1992
- Horn antenna with rotating waveguide and polarization lens means10US 4,178,574 AU. S. Philips Corporation · 1979
- Radio signal polarization switching arrangement3US 5,128,637 ARacal-Mesl Limited · 1992
- Ferrite polarizer3US 5,229,737 AMarconi Electronic Devices Limited · 1993
- Microwave signal receiving apparatus3US 5,260,713 AMotson & Company Limited · 1993