H04Q 3/528
Details
Official title: {Details}
H04Q3/528 (Details) appears on 3 US grants and 0 published applications in this corpus.
Search patents in H04Q- Granted patents
- 3
- Published applications
- 0
- Assignees
- 2
- Inventors
- 7
- Latest grant
- 1 Jan 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Machine learning for link parameter identification in an optical communications system1 Jan 2019US 10,171,161 B1Ciena Corporation
- Optical switch array capable of bidirectional signal transfer between a plurality of terminals13 Jul 1993US 5,227,906 ACanon Kabushiki Kaisha
- Optical switch array provided with a mask having openings of a predetermined pattern and shutters corresponding to the pattern22 May 1990US 4,927,230 ACanon Kabushiki Kaisha
No published applications in this class yet.
Most cited
By later US patents
- Optical switch array capable of bidirectional signal transfer between a plurality of terminals51US 5,227,906 ACanon Kabushiki Kaisha · 1993
- Machine learning for link parameter identification in an optical communications system34US 10,171,161 B1Ciena Corporation · 2019
- Optical switch array provided with a mask having openings of a predetermined pattern and shutters corresponding to the pattern9US 4,927,230 ACanon Kabushiki Kaisha · 1990