G02F 1/2255
Controlled by a high-frequency electromagnetic component in an electric waveguide structure
Official title: {controlled by a high-frequency electromagnetic component in an electric waveguide structure}
G02F1/2255 (Controlled by a high-frequency electromagnetic component in an electric waveguide structure) appears on 735 US grants and 761 published applications in this corpus.
Search patents in G02F- Granted patents
- 735
- Published applications
- 761
- Assignees
- 251
- Inventors
- 1,043
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 3 |
| 2002 | 9 | 20 |
| 2003 | 22 | 27 |
| 2004 | 18 | 19 |
| 2005 | 19 | 18 |
| 2006 | 22 | 20 |
| 2007 | 16 | 23 |
| 2008 | 21 | 15 |
| 2009 | 14 | 31 |
| 2010 | 26 | 29 |
| 2011 | 17 | 20 |
| 2012 | 16 | 21 |
| 2013 | 23 | 14 |
| 2014 | 27 | 23 |
| 2015 | 18 | 29 |
| 2016 | 39 | 46 |
| 2017 | 53 | 51 |
| 2018 | 49 | 43 |
| 2019 | 53 | 33 |
| 2020 | 27 | 35 |
| 2021 | 30 | 38 |
| 2022 | 31 | 44 |
| 2023 | 26 | 50 |
| 2024 | 33 | 48 |
| 2025 | 44 | 36 |
| 2026 | 17 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Distributed electro-absorption modulator systems1 Oct 2026US 2026/0299326 A1ElectroPhotonic-IC Inc.
- Optical waveguide element, optical modulator, and optical transmission device1 Oct 2026US 2026/0299328 A1Sumitomo Osaka Cement Co., Ltd.
- Embedded radio frequency shield between integrated optical modulator and silicon substrate1 Oct 2026US 2026/0299333 A1Cisco Technology, Inc.
- Switchable Optical Light Source and Light Switching Unit24 Sep 2026US 2026/0287966 A1Universiteit Twente
- Electro-optic modulator and optical emitter3 Sep 2026US 2026/0259467 A1Nanjing Lycore Technologies Co., Ltd.
Most cited
By later US patents
- Microwave receiver front-end assembly and array245US 7,835,600 B1HRL Laboratories, LLC · 2010
- Traveling wave, linearized reflection modulator89US 6,535,320 B1The United States of America as represented by the Secretary of the Navy · 2003
- Optical waveguide, optical modulator and optical coupler89US 8,824,836 B2Fujitsu Optical Components Limited · 2014
- Optical modulator for an optical transmitter84US 5,359,449 AFujitsu Limited · 1994
- In-service skew monitoring in a nested Mach-Zehnder modulator structure using pilot signals and balanced phase detection60US 9,705,592 B1Infinera Corporation · 2017