G02F 1/09
Based on magneto-optical elements
Official title: based on magneto-optical elements, e.g. exhibiting Faraday effect
G02F1/09 (Based on magneto-optical elements) appears on 1,226 US grants and 899 published applications in this corpus.
Search patents in G02F- Granted patents
- 1,226
- Published applications
- 899
- Assignees
- 546
- Inventors
- 2,033
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 15 | 0 |
| 1978 | 5 | 0 |
| 1979 | 8 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 10 | 0 |
| 1985 | 16 | 0 |
| 1986 | 10 | 0 |
| 1987 | 13 | 0 |
| 1988 | 9 | 0 |
| 1989 | 17 | 0 |
| 1990 | 16 | 0 |
| 1991 | 19 | 0 |
| 1992 | 18 | 0 |
| 1993 | 17 | 0 |
| 1994 | 13 | 0 |
| 1995 | 26 | 0 |
| 1996 | 19 | 0 |
| 1997 | 17 | 0 |
| 1998 | 25 | 0 |
| 1999 | 37 | 0 |
| 2000 | 49 | 0 |
| 2001 | 43 | 9 |
| 2002 | 41 | 52 |
| 2003 | 44 | 57 |
| 2004 | 55 | 51 |
| 2005 | 36 | 57 |
| 2006 | 44 | 33 |
| 2007 | 35 | 20 |
| 2008 | 20 | 27 |
| 2009 | 18 | 34 |
| 2010 | 16 | 16 |
| 2011 | 18 | 22 |
| 2012 | 17 | 21 |
| 2013 | 16 | 33 |
| 2014 | 27 | 32 |
| 2015 | 32 | 46 |
| 2016 | 35 | 41 |
| 2017 | 44 | 46 |
| 2018 | 41 | 47 |
| 2019 | 37 | 31 |
| 2020 | 34 | 28 |
| 2021 | 20 | 38 |
| 2022 | 29 | 32 |
| 2023 | 33 | 41 |
| 2024 | 27 | 30 |
| 2025 | 30 | 33 |
| 2026 | 28 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical isolator core and optical isolator22 Sep 2026US 12,742,981 B2Shenzhen Innowave Technology Co., Ltd.
- Methods and systems for high-magnification photography exploiting reflective polarizers and faraday rotators25 Aug 2026US 12,717,122 B2Lumenuity, Inc.
- Physical package for optical lattice clock11 Aug 2026US 12,704,816 B2JEOL Ltd.
- Paramagnetic garnet-type transparent ceramic, magneto-optical material, and magneto-optical device7 Jul 2026US 12,675,010 B2Shin-Etsu Chemical Co., Ltd.
- Focal polarization beam displacer30 Jun 2026US 12,669,637 B2Cisco Technology, Inc.
- Method for manufacturing optical isolator and optical isolator8 Oct 2026US 2026/0310016 A1Nippon Electric Glass Co., Ltd.
- Integrated isolator and circulator systems17 Sep 2026US 2026/0277037 A1Voyant Photonics, Inc.
- Chip with multiple semiconductor optical amplifiers10 Sep 2026US 2026/0267062 A1Lyte Ai, Inc.
- Optical isolator for use in wavelength band of 780 to 820 nm10 Sep 2026US 2026/0267178 A1Shin-Etsu Chemical Co., Ltd.
- Light modulator and substrate having electrodes comprising apertures3 Sep 2026US 2026/0259439 A1Elstar Dynamics Patents B.V.
Most cited
By later US patents
- Electrophoretic displays containing magnetic particles272US 6,870,661 B2E Ink Corporation · 2005
- Retarder stack for preconditioning light for a modulator having modulation and isotropic states of polarization269US 5,929,946 AColorLink, Inc. · 1999
- Electrophoretic display and novel process for its manufacture249US 7,072,095 B2SiPix Imaging, Inc. · 2006
- Optical waveguide display system234US 5,009,483 A1991
- Method and apparatus for performing optical imaging using frequency-domain interferometry229US 7,733,497 B2The General Hospital Corporation · 2010