H04Q 2011/0022
Using fibre gratings
Official title: {using fibre gratings}
H04Q2011/0022 (Using fibre gratings) appears on 134 US grants and 90 published applications in this corpus.
Search patents in H04Q- Granted patents
- 134
- Published applications
- 90
- Assignees
- 67
- Inventors
- 250
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 2 |
| 2002 | 8 | 20 |
| 2003 | 5 | 5 |
| 2004 | 11 | 6 |
| 2005 | 3 | 1 |
| 2006 | 7 | 4 |
| 2007 | 6 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 9 |
| 2016 | 8 | 6 |
| 2017 | 8 | 8 |
| 2018 | 3 | 4 |
| 2019 | 8 | 6 |
| 2020 | 5 | 2 |
| 2021 | 2 | 3 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical and electronic integrated switch1 Oct 2024US 12,107,762 B2Nippon Telegraph and Telephone Corporation
- Reconfigurable optical router20 Feb 2024US 11,909,516 B2Juniper Networks, Inc.
- Stackable waveguide shuffle blocks and systems and methods of identifying same28 Mar 2023US 11,617,029 B2Hewlett Packard Enterprise Development LP
- Optical alignment systems and methods24 Jan 2023US 11,561,348 B2
- Optical network system21 Jun 2022US 11,368,768 B2Mellanox Technologies, Ltd.
- Optical and electronic integrated switch19 Dec 2024US 2024/0422097 A1Nippon Telegraph and Telephone Corporation
- Electrical Switching Cluster System15 Feb 2024US 2024/0056706 A1Huawei Technologies Co., Ltd.
- Optical and Electronic Integrated Switch4 May 2023US 2023/0136142 A1Nippon Telegraph and Telephone Corporation
- Reconfigurable optical router18 Aug 2022US 2022/0263595 A1Juniper Networks, Inc.
- Optical alignment systems and methods12 May 2022US 2022/0146753 A1Alpine Optoelectronics Inc.
Most cited
By later US patents
- Packet-switched self-routing multistage interconnection network having contention-free fanout, low-loss routing, and fanin buffering to efficiently realize arbitrarily low packet loss365US 5,541,914 A1996
- Wavelength-selective optical add/drop using tilting micro-mirrors256US 5,960,133 ATellium, Inc. · 1999
- Frequency-selective optical switch employing a frequency dispersive element, polarization dispersive element and polarization modulating elements208US 5,414,540 ABell Communications Research, Inc. · 1995
- Optical multiplexing and demultiplexing104US 6,366,378 B1Nokia Networks Oy · 2002
- Optical switch employing first and second ferroelectric cells with alignment layers having alignment directions offset by 45.degree.93US 5,414,541 ABell Communications Research, Inc. · 1995