G02F 1/313
In an optical waveguide structure
Official title: in an optical waveguide structure
G02F1/313 (In an optical waveguide structure) appears on 1,394 US grants and 969 published applications in this corpus.
Search patents in G02F- Granted patents
- 1,394
- Published applications
- 969
- Assignees
- 557
- Inventors
- 2,421
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 10 | 0 |
| 1978 | 15 | 0 |
| 1979 | 14 | 0 |
| 1980 | 10 | 0 |
| 1981 | 9 | 0 |
| 1982 | 1 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 17 | 0 |
| 1988 | 27 | 0 |
| 1989 | 30 | 0 |
| 1990 | 26 | 0 |
| 1991 | 35 | 0 |
| 1992 | 38 | 0 |
| 1993 | 23 | 0 |
| 1994 | 21 | 0 |
| 1995 | 25 | 0 |
| 1996 | 29 | 0 |
| 1997 | 26 | 0 |
| 1998 | 32 | 0 |
| 1999 | 37 | 0 |
| 2000 | 28 | 0 |
| 2001 | 46 | 11 |
| 2002 | 45 | 57 |
| 2003 | 50 | 71 |
| 2004 | 56 | 59 |
| 2005 | 50 | 54 |
| 2006 | 51 | 50 |
| 2007 | 42 | 35 |
| 2008 | 42 | 27 |
| 2009 | 30 | 38 |
| 2010 | 26 | 20 |
| 2011 | 21 | 18 |
| 2012 | 18 | 17 |
| 2013 | 17 | 26 |
| 2014 | 19 | 12 |
| 2015 | 26 | 27 |
| 2016 | 30 | 26 |
| 2017 | 29 | 47 |
| 2018 | 34 | 37 |
| 2019 | 42 | 51 |
| 2020 | 45 | 39 |
| 2021 | 33 | 58 |
| 2022 | 44 | 42 |
| 2023 | 41 | 37 |
| 2024 | 39 | 42 |
| 2025 | 22 | 41 |
| 2026 | 18 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser sparing architectures for multi-wavelength laser arrays6 Oct 2026US 12,754,377 B2NVIDIA Corporation
- Programmable photonic circuit22 Sep 2026US 12,742,997 B2Daegu Gyeongbuk Institute of Science and Technology
- Pulsed RF generator, pulsed RF transmitter and related methods of operation25 Aug 2026US 12,719,230 B2Phase Sensitive Innovations, Inc.
- Integrated photonic 2×3 coupler28 Jul 2026US 12,693,475 B2Cisco Technology, Inc.
- Bonded electro-optic device with filled void and method of making thereof16 Jun 2026US 12,656,655 B1Psiquantum, Corp.
- Integrated photonic 2x3 coupler1 Oct 2026US 2026/0299208 A1Cisco Technology, Inc.
- Optical Detection and Optical Switch Based on Interference between Narrow Beams24 Sep 2026US 2026/0287968 A1
- Triply resonant electro-optic transducers10 Sep 2026US 2026/0267177 A1International Business Machines Corporation
- 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
Most cited
By later US patents
- Switchable optical components377US 6,567,573 B1DigiLens Inc. · 2003
- Frequency selective interwaveguide coupler260US 4,026,632 ACanadian Patents and Development Limited · 1977
- Method for manipulating optical energy using poled structure216US 5,703,710 ADeacon Research · 1997
- Switchable optical components/structures and methods for the fabrication thereof215US 5,937,115 AFoster-Miller, Inc. · 1999
- Wavelength-selective optical add/drop switch213US 5,915,051 AMassascusetts Institute of Technology · 1999