G02F 1/2257
The optical waveguides being made of semiconducting material
Official title: {the optical waveguides being made of semiconducting material}
G02F1/2257 (The optical waveguides being made of semiconducting material) appears on 753 US grants and 828 published applications in this corpus.
Search patents in G02F- Granted patents
- 753
- Published applications
- 828
- Assignees
- 263
- Inventors
- 1,270
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 0 |
| 2002 | 5 | 7 |
| 2003 | 7 | 10 |
| 2004 | 9 | 20 |
| 2005 | 10 | 15 |
| 2006 | 12 | 13 |
| 2007 | 10 | 9 |
| 2008 | 12 | 5 |
| 2009 | 14 | 10 |
| 2010 | 6 | 13 |
| 2011 | 9 | 25 |
| 2012 | 9 | 26 |
| 2013 | 22 | 19 |
| 2014 | 24 | 39 |
| 2015 | 39 | 47 |
| 2016 | 58 | 56 |
| 2017 | 68 | 68 |
| 2018 | 53 | 67 |
| 2019 | 70 | 45 |
| 2020 | 48 | 53 |
| 2021 | 47 | 48 |
| 2022 | 39 | 50 |
| 2023 | 34 | 41 |
| 2024 | 39 | 57 |
| 2025 | 44 | 54 |
| 2026 | 26 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photonic devices having a field-effect transistor (FET)29 Sep 2026US 12,748,337 B2Hewlett Packard Enterprise Development LP
- Method and system for a vertical junction high-speed phase modulator8 Sep 2026US 12,730,348 B2Cisco Technology, Inc.
- Methods and systems related to remote measuring and sensing18 Aug 2026US 12,711,335 B2William Marsh Rice University
- Embedded radio frequency shield between integrated optical modulator and silicon substrate30 Jun 2026US 12,669,723 B2Cisco Technology, Inc.
- Apparatus and method for intensity modulation in a photonic computing system based on interferometric coupling9 Jun 2026US 12,650,629 B2Huawei Technologies Canada Co., Ltd.
- Distributed electro-absorption modulator systems1 Oct 2026US 2026/0299326 A1ElectroPhotonic-IC Inc.
- Embedded radio frequency shield between integrated optical modulator and silicon substrate1 Oct 2026US 2026/0299333 A1Cisco Technology, Inc.
- Semiconductor optical modulator1 Oct 2026US 2026/0299370 A1NTT, Inc.
- Optical devices and methods of manufacture27 Aug 2026US 2026/0251922 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Optical switches including multiple ring resonators27 Aug 2026US 2026/0251949 A1GLOBALFOUNDRIES U. S. Inc.
Most cited
By later US patents
- Transmitter-receiver with integrated modulator array and hybrid bonded multi-wavelength laser array97US 7,257,283 B1Intel Corporation · 2007
- High-speed silicon-based electro-optic modulator94US 6,845,198 B2SiOptical, Inc. · 2005
- Integrated optic vector-matrix multiplier81US 8,027,587 B1Sandia Corporation · 2011
- Semiconductive guided-wave programmable optical delay lines using electrooptic fabry-perot elements65US 5,140,651 AThe United States of America as represented by the Secretary of the Air Force · 1992
- Interferometric tunable optical filter63US 5,351,317 ATelefonaktiebolaget L M Ericsson · 1994