G02F 1/3137
With intersecting or branching waveguides
Official title: {with intersecting or branching waveguides, e.g. X-switches and Y-junctions}
G02F1/3137 (With intersecting or branching waveguides) appears on 340 US grants and 205 published applications in this corpus.
Search patents in G02F- Granted patents
- 340
- Published applications
- 205
- Assignees
- 176
- Inventors
- 670
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 13 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 11 | 0 |
| 1992 | 10 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 16 | 0 |
| 1999 | 8 | 0 |
| 2000 | 11 | 0 |
| 2001 | 15 | 2 |
| 2002 | 15 | 16 |
| 2003 | 9 | 17 |
| 2004 | 13 | 17 |
| 2005 | 12 | 15 |
| 2006 | 14 | 13 |
| 2007 | 11 | 6 |
| 2008 | 10 | 5 |
| 2009 | 5 | 8 |
| 2010 | 3 | 5 |
| 2011 | 4 | 5 |
| 2012 | 6 | 6 |
| 2013 | 3 | 5 |
| 2014 | 4 | 4 |
| 2015 | 7 | 6 |
| 2016 | 9 | 5 |
| 2017 | 6 | 4 |
| 2018 | 3 | 9 |
| 2019 | 10 | 4 |
| 2020 | 2 | 3 |
| 2021 | 4 | 14 |
| 2022 | 10 | 7 |
| 2023 | 9 | 10 |
| 2024 | 6 | 7 |
| 2025 | 3 | 3 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for switching optical signal5 May 2026US 12,619,124 B2Electronics and Telecommunications Research Institute
- System, method and apparatus for non-mechanical optical and photonic beam steering14 Apr 2026US 12,601,950 B2Exciting Technology LLC
- Optical switches based on induced optical loss17 Feb 2026US 12,554,174 B2Psiquantum, Corp.
- Beam-steering system based on a MEMS-actuated vertical-coupler array20 Jan 2026US 12,529,262 B2The Regents of the University of California
- Programmable optical chip and terminal4 Nov 2025US 12,461,424 B2United Microelectronics Center Co., Ltd
- Optical Detection and Optical Switch Based on Interference between Narrow Beams24 Sep 2026US 2026/0287968 A1
- Optical switches including multiple ring resonators27 Aug 2026US 2026/0251949 A1GLOBALFOUNDRIES U. S. Inc.
- System for detecting an object at least partially hidden by a flame20 Aug 2026US 2026/0243603 A1Consiglio Nazionale Delle Ricerche
- An optical coupling device6 Aug 2026US 2026/0230188 A1Salience Labs Ltd
- Optical Switches Based on Induced Optical Loss4 Jun 2026US 2026/0153778 A1Psiquantum, Corp.
Most cited
By later US patents
- Method for manipulating optical energy using poled structure216US 5,703,710 ADeacon Research · 1997
- Optical modulation apparatus and measurement method198US 5,091,983 A1992
- Optic switch164US 6,687,427 B2Intel Corporation · 2004
- Vertically coupled optical resonator devices over a cross-grid waveguide architecture141US 6,411,752 B1Massachusetts Institute of Technology · 2002
- Projection display with electrically controlled waveguide-routing133US 5,724,463 ADeacon Research · 1998