G02F 1/035
In an optical waveguide structure
Official title: in an optical waveguide structure
G02F1/035 (In an optical waveguide structure) appears on 1,134 US grants and 1,168 published applications in this corpus.
Search patents in G02F- Granted patents
- 1,134
- Published applications
- 1,168
- Assignees
- 454
- Inventors
- 1,977
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 10 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 14 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 14 | 0 |
| 1996 | 10 | 0 |
| 1997 | 16 | 0 |
| 1998 | 14 | 0 |
| 1999 | 19 | 0 |
| 2000 | 18 | 0 |
| 2001 | 11 | 6 |
| 2002 | 20 | 27 |
| 2003 | 28 | 47 |
| 2004 | 29 | 35 |
| 2005 | 28 | 28 |
| 2006 | 33 | 41 |
| 2007 | 30 | 27 |
| 2008 | 37 | 25 |
| 2009 | 18 | 37 |
| 2010 | 25 | 32 |
| 2011 | 22 | 23 |
| 2012 | 18 | 14 |
| 2013 | 30 | 34 |
| 2014 | 32 | 31 |
| 2015 | 34 | 42 |
| 2016 | 35 | 25 |
| 2017 | 28 | 27 |
| 2018 | 28 | 41 |
| 2019 | 51 | 49 |
| 2020 | 39 | 45 |
| 2021 | 40 | 73 |
| 2022 | 47 | 80 |
| 2023 | 43 | 95 |
| 2024 | 61 | 97 |
| 2025 | 89 | 99 |
| 2026 | 50 | 88 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electro-optic modulator and methods of forming the same6 Oct 2026US 12,754,444 B2Paragraf Limited
- Electro-optic device containing ferroelectric layer and integrated heaters and method of fabrication thereof29 Sep 2026US 12,748,325 B1Psiquantum, Corp.
- Optical waveguide device, and optical modulation device and optical transmission apparatus using same8 Sep 2026US 12,730,336 B2Sumitomo Osaka Cement Co., Ltd.
- Optical waveguide device, and optical modulation device and optical transmission apparatus using same1 Sep 2026US 12,724,298 B2Sumitomo Osaka Cement Co., Ltd.
- Optical modulator, light source module, optical engine, and XR glasses1 Sep 2026US 12,724,299 B2TDK Corporation
- Low-loss plasmonic device and method for manufacturing the same8 Oct 2026US 2026/0309916 A1Polariton Technologies AG
- Tunable on-chip variable ratio optical coupler comprising phase change material8 Oct 2026US 2026/0310015 A1Corning Incorporated
- Optical waveguide device, and optical modulation device and optical transmission apparatus using same1 Oct 2026US 2026/0299329 A1Sumitomo Osaka Cement Co., Ltd.
- Optical waveguide device and optical modulation device and optical transmission apparatus using the same1 Oct 2026US 2026/0299330 A1Sumitomo Osaka Cement Co., Ltd.
- Photonic integrated circuits with externally modulated emitters1 Oct 2026US 2026/0299331 A1
Most cited
By later US patents
- Bi-domain two-mode single crystal fiber devices261US 5,082,349 AThe Board of Trustees of the Leland Stanford Junior University · 1992
- Method for manipulating optical energy using poled structure216US 5,703,710 ADeacon Research · 1997
- Electro-optic structure and process for fabricating same154US 6,493,497 B1Motorola, Inc. · 2002
- Electro-optic despeckling modulator and method of use144US 6,791,739 B2Eastman Kodak Company · 2004
- Electronic-integration compatible photonic integrated circuit and method for fabricating electronic-integration compatible photonic integrated circuit135US 8,213,751 B1Optonet Inc. · 2012