G02B 6/12021
Comprising cascaded awg devices
Official title: {Comprising cascaded AWG devices; AWG multipass configuration; Plural AWG devices integrated on a single chip}
G02B6/12021 (Comprising cascaded awg devices) appears on 211 US grants and 181 published applications in this corpus.
Search patents in G02B- Granted patents
- 211
- Published applications
- 181
- Assignees
- 112
- Inventors
- 418
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 4 |
| 2002 | 12 | 22 |
| 2003 | 12 | 21 |
| 2004 | 18 | 20 |
| 2005 | 18 | 20 |
| 2006 | 18 | 6 |
| 2007 | 13 | 12 |
| 2008 | 12 | 3 |
| 2009 | 8 | 3 |
| 2010 | 6 | 8 |
| 2011 | 3 | 9 |
| 2012 | 10 | 6 |
| 2013 | 7 | 2 |
| 2014 | 1 | 0 |
| 2015 | 2 | 2 |
| 2016 | 5 | 6 |
| 2017 | 4 | 4 |
| 2018 | 3 | 3 |
| 2019 | 2 | 1 |
| 2020 | 2 | 3 |
| 2021 | 5 | 7 |
| 2022 | 4 | 6 |
| 2023 | 4 | 6 |
| 2024 | 3 | 3 |
| 2025 | 0 | 2 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Technologies for optical demultiplexing with backwards compatibility6 Oct 2026US 12,754,364 B2Intel Corporation
- Arrayed waveguide multiplexing/demultiplexing device with phase correction30 Jun 2026US 12,669,645 B2Imec Vzw
- Method and apparatus of hybrid integrated photonics devices5 May 2026US 12,619,027 B2
- Integrated optical transceiver apparatus and optical line terminal28 Apr 2026US 12,615,461 B2Huawei Technologies Co., Ltd.
- Light source apparatus13 Jan 2026US 12,523,596 B2Ushio Denki Kabushiki Kaisha
- Optical chip, optical chip fabrication method, optical signal transmission method, and optical module30 Apr 2026US 2026/0118580 A1Huawei Technologies Co., Ltd.
- Planar Lightwave Circuit Lattice Filter and Optical Transmitter Module Using Thereof12 Feb 2026US 2026/0043965 A1Nippon Telegraph and Telephone Corporation
- Optical waveguide structure4 Sep 2025US 2025/0277934 A1Denso Corporation
- Led chip-to-chip vertically launched optical communications with optical fiber20 Mar 2025US 2025/0096907 A1AvicenaTech, Corp.
- Arrayed Waveguide Multiplexing/Demultiplexing Device with Phase Correction27 Jun 2024US 2024/0210618 A1Imec Vzw
Most cited
By later US patents
- Two-dimensional optoelectronic tune-switch268US 5,671,304 AUniversite Laval · 1997
- Optical multiplexing and demultiplexing104US 6,366,378 B1Nokia Networks Oy · 2002
- Arrayed-wave guide grating multi/demultiplexer with loop-back optical paths100US 5,414,548 ANippon Telegraph and Telephone Corporation · 1995
- Tunable add drop optical filtering method and apparatus96US 5,488,500 AAT&T Corp. · 1996
- Photonic integrated circuits80US 6,795,622 B2The Trustess of Princeton University · 2004