G02F 1/212
Mach-zehnder type
Official title: {Mach-Zehnder type}
G02F1/212 (Mach-zehnder type) appears on 1,515 US grants and 1,765 published applications in this corpus.
Search patents in G02F- Granted patents
- 1,515
- Published applications
- 1,765
- Assignees
- 504
- Inventors
- 2,653
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 22 | 8 |
| 2002 | 16 | 21 |
| 2003 | 19 | 25 |
| 2004 | 18 | 24 |
| 2005 | 16 | 29 |
| 2006 | 30 | 23 |
| 2007 | 24 | 21 |
| 2008 | 21 | 20 |
| 2009 | 21 | 32 |
| 2010 | 22 | 42 |
| 2011 | 27 | 41 |
| 2012 | 31 | 22 |
| 2013 | 34 | 37 |
| 2014 | 37 | 50 |
| 2015 | 47 | 83 |
| 2016 | 78 | 82 |
| 2017 | 97 | 110 |
| 2018 | 94 | 107 |
| 2019 | 115 | 100 |
| 2020 | 94 | 99 |
| 2021 | 89 | 111 |
| 2022 | 94 | 148 |
| 2023 | 78 | 132 |
| 2024 | 118 | 150 |
| 2025 | 119 | 147 |
| 2026 | 83 | 101 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electro-optic device containing ferroelectric layer and integrated heaters and method of fabrication thereof29 Sep 2026US 12,748,325 B1Psiquantum, Corp.
- Photonic devices having a field-effect transistor (FET)29 Sep 2026US 12,748,337 B2Hewlett Packard Enterprise Development LP
- Systems and methods for clock generation and calibration in photonic systems29 Sep 2026US 12,750,045 B2Avago Technologies International Sales Pte. Limited
- Optical device and method of fabricating thereof22 Sep 2026US 12,742,994 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Optical device, optical transceiving device, and optical transceiver8 Sep 2026US 12,730,347 B2Fujitsu Optical Components Limited
- Mach-zehnder interferometer tolerant to process and environmental variations8 Oct 2026US 2026/0310040 A1InfiniLink Inc.
- Tunable optical fading in a receiver to improve out of band rejection for variable baud1 Oct 2026US 2026/0299205 A1Ciena Corporation
- Integrated photonic 2x3 coupler1 Oct 2026US 2026/0299208 A1Cisco Technology, Inc.
- Integrated photonic isolator1 Oct 2026US 2026/0299324 A1Lightmatter, Inc.
- Distributed electro-absorption modulator systems1 Oct 2026US 2026/0299326 A1ElectroPhotonic-IC Inc.
Most cited
By later US patents
- Microwave receiver front-end assembly and array245US 7,835,600 B1HRL Laboratories, LLC · 2010
- Optical modulation apparatus and measurement method198US 5,091,983 A1992
- 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
- Automatic bias control for electro-optic modulators111US 6,046,838 AKestrel Solutions, Inc. · 2000