Inventor
Minchun Li
Inventor
Wuhan, CN
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein31%
G02BOptical elements, systems or apparatus25%
H04JMultiplex communication19%
H04QSelecting19%
H04BTransmission6%
PatentTitleYear
10,284,931Liquid crystal grating-based optical switch20199,927,678'Variable optical attenuator comprising a switchable polarization grating'20189,201,286'Method and apparatus for wavelength selective switch'20159,008,470'Method and apparatus for wavelength selective switch'20157,034,979'Variable optical attenuator using crystal wedges'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006Patents assigned to EZCONN CORP (1)· patent assignee history
2006Based in Plano, TX, US· patent location history
2015–2019Patents assigned to HUAWEI TECH CO LTD (4)· patent assignee history
2015–2019Based in Wuhan, CN· patent location history
2015Based in Shenzhen, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUAWEI TECH CO LTD | 4 | 2015–2019 |
| EZCONN CORP | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wuhan, CN | 3 | 2015–2019 |
| Shenzhen, CN | 1 | 2015 |
| Plano, Texas, US | 1 | 2006 |