G02F 1/2252
In optical fibres
Official title: {in optical fibres}
G02F1/2252 (In optical fibres) appears on 76 US grants and 61 published applications in this corpus.
Search patents in G02F- Granted patents
- 76
- Published applications
- 61
- Assignees
- 63
- Inventors
- 171
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 3 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 2 | 1 |
| 2006 | 3 | 1 |
| 2007 | 3 | 2 |
| 2008 | 2 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 0 |
| 2014 | 3 | 2 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 4 | 7 |
| 2019 | 5 | 2 |
| 2020 | 4 | 4 |
| 2021 | 3 | 6 |
| 2022 | 7 | 6 |
| 2023 | 0 | 5 |
| 2024 | 6 | 5 |
| 2025 | 2 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Computer architecture with disaggregated memory and high-bandwidth communication interconnects28 Apr 2026US 12,613,811 B2Luminous Computing, Inc.
- Electro-optic THZ emitter and receiver devices and method of fabrication10 Feb 2026US 12,547,048 B1Partow Technologies, LLC.
- Optical arbitrary pulse pattern generator21 Oct 2025US 12,449,707 B2Teknologian tutkimuskeskus VTT Oy
- Mach-Zehnder type optical modulator, optical transceiver, and dispersion compensation method24 Jun 2025US 12,339,561 B2NEC Corporation
- Optical modulator, optical receiver, conversion device, spin orbital direct product state generation device, and quantum computer1 Oct 2024US 12,105,397 B2Hitachi, Ltd.
- Electcro-optic modulator and a method for fabricating the electro-optic modulator19 Jun 2025US 2025/0199347 A1DustPhotonics
- Photonic Waveguide Networks27 Feb 2025US 2025/0067936 A1Psiquantum, Corp.
- Phase Shifting Components and Systems27 Feb 2025US 2025/0068001 A1Psiquantum, Corp.
- Photonic Switch27 Feb 2025US 2025/0068026 A1Psiquantum, Corp.
- Silicon photonics transmitter and method therefor14 Nov 2024US 2024/0380492 A1Electronics and Telecommunications Research Institute
Most cited
By later US patents
- Optical fiber interferometer with PZT scanning of interferometer arm optical length174US 5,867,268 AOptical Coherence Technologies, Inc. · 1999
- Fabry-Perot laser with wavelength control131US 6,741,624 B2R J Mears LLC · 2004
- Configurable aperiodic grating device123US 7,123,792 B1RJ Mears, LLC · 2006
- Mach-Zehnder inteferometers and applications based on evanescent coupling through side-polished fiber coupling ports48US 6,501,875 B2Oluma, Inc. · 2002
- Fiber optic electric field sensor/phase modulator28US 4,477,723 AOptical Technologies, Inc. · 1984