H04Q 2011/0041
Optical control
Official title: {Optical control}
H04Q2011/0041 (Optical control) appears on 302 US grants and 276 published applications in this corpus.
Search patents in H04Q- Granted patents
- 302
- Published applications
- 276
- Assignees
- 133
- Inventors
- 598
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 4 |
| 2002 | 7 | 9 |
| 2003 | 18 | 9 |
| 2004 | 4 | 10 |
| 2005 | 10 | 3 |
| 2006 | 7 | 4 |
| 2007 | 2 | 12 |
| 2008 | 2 | 4 |
| 2009 | 4 | 4 |
| 2010 | 7 | 4 |
| 2011 | 9 | 3 |
| 2012 | 2 | 3 |
| 2013 | 3 | 6 |
| 2014 | 7 | 0 |
| 2015 | 6 | 9 |
| 2016 | 3 | 8 |
| 2017 | 12 | 14 |
| 2018 | 23 | 73 |
| 2019 | 27 | 19 |
| 2020 | 28 | 15 |
| 2021 | 21 | 21 |
| 2022 | 15 | 9 |
| 2023 | 18 | 11 |
| 2024 | 12 | 10 |
| 2025 | 8 | 6 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- In-network optical inference19 May 2026US 12,634,606 B2Massachusetts Institute of Technology
- Path switching device, optical transmission system, and path switching method30 Dec 2025US 12,513,439 B2NEC Corporation
- Large scale steerable coherent optical switched arrays18 Nov 2025US 12,474,528 B2Analog Photonics LLC
- Integrated CMOS photonic and electronic WDM communication system using optical frequency comb generators28 Oct 2025US 12,457,045 B2Ayar Labs, Inc.
- Microwave photon frequency synthesis system and method14 Oct 2025US 12,445,754 B2China Electronics Technology Group Corporation No 44 Research Institute
- Switching systems configured to receive optical and electrical modules30 Jul 2026US 2026/0222713 A1Eridu Al Corporation
- Optical transmission system and adjustment method9 Jul 2026US 2026/0197083 A1NTT, Inc.
- Method and apparatus associated with optical switching14 May 2026US 2026/0136118 A1Finchetto Limited
- Integrated CMOS Photonic and Electronic WDM Communication System Using Optical Frequency Comb Generators5 Feb 2026US 2026/0039397 A1Ayar Labs, Inc.
- Wavelength conversion system and wavelength conversion method29 Jan 2026US 2026/0032364 A1Huawei Technologies Co., Ltd.
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
- High-throughput, low-latency next generation internet networks using optical tag switching162US 6,111,673 ATelcordia Technologies, Inc. · 2000
- Packet switched interconnection protocols for a star configured optical lan151US 4,797,879 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989
- Optical network unit137US 5,303,229 AAlcatel Network Systems, Inc. · 1994
- Reconfigurable wavelength division multiplex add/drop device using micromirrors92US 6,204,946 B1Lucent Technologies Inc. · 2001