Inventor
Yongsheng Liu
Inventor
San Jose, CA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus22%
H05KPrinted circuits13%
H01PWaveguides9%
H04JMultiplex communication9%
C07DHeterocyclic compounds4%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
H01BCables4%
PatentTitleYear
9,900,974'Flex-less multilayer ceramic substrate'20189,437,912'3-D integrated package'20169,184,315'Photoelectric materials and preparation thereof'20159,013,891'3-D integrated package'20157,298,428'Liquid crystal device and method for optical performance monitoring in fiber optic communication systems'20077,102,821'Apparatus and system for a re-configurable channel dropping de-multiplexer'20066,556,766'MEMS see-saw array for dynamic gain equalization of DWDM systems'20036,529,673'Manual variable optical attenuator and method'20036,437,929'Piezo-actuator based optical add/drop module'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2007Patents assigned to AVANEX CORP (4)· patent assignee history
2002–2018Based in San Jose, CA, US· patent location history
2006Patents assigned to AVONEX CORP (1)· patent assignee history
2015–2018Patents assigned to FINISAR CORP (3)· patent assignee history
2015Patents assigned to LIU YONGSHENG (2)· patent assignee history
2015Patents assigned to CHEN YONGSHENG (1)· patent assignee history
2015Based in Tianjin, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AVANEX CORP | 4 | 2002–2007 |
| FINISAR CORP | 3 | 2015–2018 |
| LIU YONGSHENGself | 2 | 2015 |
| AVONEX CORP | 1 | 2006 |
| CHEN YONGSHENG | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 8 | 2002–2018 |
| Tianjin, CN | 1 | 2015 |