G02F 1/218
Using semi-conducting materials
Official title: {using semi-conducting materials}
G02F1/218 (Using semi-conducting materials) appears on 121 US grants and 63 published applications in this corpus.
Search patents in G02F- Granted patents
- 121
- Published applications
- 63
- Assignees
- 81
- Inventors
- 262
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 12 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 2 |
| 2003 | 0 | 4 |
| 2004 | 3 | 0 |
| 2005 | 0 | 3 |
| 2006 | 4 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 3 |
| 2013 | 5 | 2 |
| 2014 | 3 | 7 |
| 2015 | 4 | 4 |
| 2016 | 6 | 2 |
| 2017 | 6 | 5 |
| 2018 | 0 | 2 |
| 2019 | 5 | 4 |
| 2020 | 3 | 4 |
| 2021 | 5 | 4 |
| 2022 | 3 | 4 |
| 2023 | 4 | 2 |
| 2024 | 4 | 1 |
| 2025 | 3 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Tunable optical filter device25 Feb 2025US 12,235,563 B2Shenzhen Hypernano Optics Technology Co., Ltd.
- Fast spatial light modulator based on atomically thin reflector4 Feb 2025US 12,218,268 B2President and Fellows of Harvard College
- Traveling waveguide in Mach-Zehnder modulator to facilitate phase match and impedance match7 Jan 2025US 12,189,264 B2Intel Corporation
- Optical waveguide and devices24 Dec 2024US 12,174,423 B2Oxford University Innovation Limited
- Systems and methods for optical full-field transmission using photonic integration29 Oct 2024US 12,132,522 B1Cable Television Laboratories, Inc.
- Solid-state frequency agile filter for lidar: multilayer optical design and exotic phase-change materials-based active tuning13 Nov 2025US 2025/0347970 A1United States of America as represented by the Administrator of NASA
- Technologies for programmable microring resonators2 Oct 2025US 2025/0306427 A1Intel Corporation
- Optical Circuit11 Sep 2025US 2025/0284174 A1Nippon Telegraph and Telephone Corporation
- Articles and methods for generating tunable coloration and interference upon reflection of incident electromagnetic radiation27 Mar 2025US 2025/0102716 A1The Penn State Research Foundation
- Optical module and flexible substrate3 Oct 2024US 2024/0332273 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Electro-optical device237US 4,790,635 AThe Secretary of State for Defence in Her Brittanic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1988
- Tandem resonator reflectance modulator156US 5,345,328 ASandia Corporation · 1994
- Optical phased arrays with evanescently-coupled antennas103US 8,988,754 B2Massachusetts Institute of Technology · 2015
- Tunable optical instruments83US 7,002,697 B2Aegis Semiconductor, Inc. · 2006
- Hybridized asymmetric fabry-perot quantum well light modulator70US 5,488,504 AMartin Marietta Corporation · 1996