G02F 1/2955
By controlled diffraction or phased-array beam steering
Official title: {by controlled diffraction or phased-array beam steering (controlled diffraction for optical waveguide switching G02F1/313)}
G02F1/2955 (By controlled diffraction or phased-array beam steering) appears on 293 US grants and 278 published applications in this corpus.
Search patents in G02F- Granted patents
- 293
- Published applications
- 278
- Assignees
- 177
- Inventors
- 623
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 10 | 15 |
| 2003 | 13 | 1 |
| 2004 | 4 | 6 |
| 2005 | 4 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 2 |
| 2008 | 3 | 0 |
| 2009 | 2 | 4 |
| 2010 | 2 | 3 |
| 2011 | 1 | 3 |
| 2012 | 5 | 5 |
| 2013 | 3 | 3 |
| 2014 | 4 | 7 |
| 2015 | 6 | 3 |
| 2016 | 4 | 3 |
| 2017 | 10 | 11 |
| 2018 | 7 | 24 |
| 2019 | 13 | 21 |
| 2020 | 23 | 28 |
| 2021 | 18 | 30 |
| 2022 | 33 | 38 |
| 2023 | 20 | 22 |
| 2024 | 21 | 20 |
| 2025 | 15 | 14 |
| 2026 | 13 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phase modulator and method for producing same25 Aug 2026US 12,717,178 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Optical phased array, method for preparing optical phased array and phase-shifting control system18 Aug 2026US 12,710,585 B2United Microelectronics Center Co., Ltd
- Emitter array11 Aug 2026US 12,704,761 B2Voyant Photonics, Inc.
- Wavefront control device and adaptive optics device4 Aug 2026US 12,699,301 B2The University of Electro-Communications
- Additive manufacturing systems and related methods utilizing risley prism beam steering23 Jun 2026US 12,661,741 B2VulcanForms Inc.
- Additive manufacturing systems and related methods utilizing risley prism beam steering8 Oct 2026US 2026/0307171 A1VulcanForms Inc.
- Configuring window-mounted photonic integrated circuits20 Aug 2026US 2026/0244071 A1Analog Photonics LLC
- Optical Phased Array Wavefront Sensing and Control9 Jul 2026US 2026/0197078 A1Taara Connect, Inc.
- Aberration correction of optical phased arrays28 May 2026US 2026/0147204 A1Analog Photonics LLC
- Lens-Assisted Beam Steering Apparatus28 May 2026US 2026/0147251 A1
Most cited
By later US patents
- Projection display with electrically controlled waveguide-routing133US 5,724,463 ADeacon Research · 1998
- Apparatus for eye tracking132US 9,456,744 B2DigiLens Inc. · 2016
- Output steerable optical phased array119US 5,233,673 AHughes Aircraft Company · 1993
- Optical phased arrays with evanescently-coupled antennas103US 8,988,754 B2Massachusetts Institute of Technology · 2015
- Method for controllable optical power splitting100US 5,488,681 ADeacon Research · 1996