Inventor
Haijun Yuan
Inventor
Pleasanton, CA, US
Overview
Patents· 11 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 therein36%
G02BOptical elements, systems or apparatus27%
G01RMeasuring electric variables9%
G01BMeasuring length, thickness or similar linear dimensions5%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%
G06TImage data processing or generation, in general5%
H01PWaveguides5%
H04BTransmission5%
H04NPictorial communication, e.g. television5%
PatentTitleYear
10,921,111Detecting device, detecting method, liquid crystal dropping apparatus, and liquid crystal dropping method20219,041,897'High extinction ratio liquid crystal optical switch'20158,841,905'System and method for fiber magneto-optic detection'20148,773,119'System for fiber DC magneto-optic detection and method thereof'20148,605,247'High extinction ratio liquid crystal optical switch'20138,358,398'Single control liquid crystal optical switch and attenuator'20138,346,084'Optical device with stable optical configuration'20138,203,691'High extinction ratio liquid crystal optical switch'20128,094,982'Fiber lens assembly for optical device'20127,298,428'Liquid crystal device and method for optical performance monitoring in fiber optic communication systems'20077,245,328'Apparatus and method for controlling extinction ratio in a liquid crystal polarization controller optical switch'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2015Based in Pleasanton, CA, US· patent location history
2007Based in Fremont, CA, US· patent location history
2012–2014Patents assigned to YUAN HAIJUN (7)· patent assignee history
2012–2013Patents assigned to BARBAROSSA GIOVANNI (5)· patent assignee history
2012–2013Patents assigned to LIN CHRISTOPHER (5)· patent assignee history
2012–2013Patents assigned to WU XUEHUA (5)· patent assignee history
2012–2013Patents assigned to OCLARO NORTH AMERICA INC (4)· patent assignee history
2014Based in Pudong, CN· patent location history
2014Based in Shanghai, CN· patent location history
2021Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YUAN HAIJUNself | 7 | 2012–2014 |
| BARBAROSSA GIOVANNI | 5 | 2012–2013 |
| LIN CHRISTOPHER | 5 | 2012–2013 |
| WU XUEHUA | 5 | 2012–2013 |
| OCLARO NORTH AMERICA INC | 4 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pleasanton, California, US | 7 | 2007–2015 |
| Beijing, CN | 1 | 2021 |
| Pudong, CN | 1 | 2014 |
| Shanghai, CN | 1 | 2014 |
| Fremont, California, US | 1 | 2007 |