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Inventor

Siu K. Cheung

Inventor
Storrs, CT, US

Overview

8→
Patents
1996–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 8 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 therein42%
H01PWaveguides33%
B82YSpecific uses or applications of nanostructures8%
H03FAmplifiers8%
H05KPrinted circuits8%
PatentTitleYear
10,502,987High bandwidth RF or microwave interconnects for optical modulators201910,295,849Optical modulator20197,855,617'Quadrature-directed quasi circulator'20107,834,719'Lange-ferrite circulator for simultaneous transmit and receive (STAR) with high isolation and noise suppression'20107,541,890'Quasi active MIMIC circulator'20097,088,489'Launch interface electrode structure for suppressing coupling to substrate modes for electro-optic modulator'20066,845,183'Slotted electrode electro-optic modulator'20055,485,014'Multiple quantum well birefringent spatial light modulator'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to UNIV CONNECTICUT (1)· patent assignee history
1996Based in Vernon, CT, US· patent location history
2005–2006Patents assigned to JDS UNIPHASE CORP (2)· patent assignee history
2005–2019Based in Storrs, CT, US· patent location history
2009–2010Patents assigned to APPLIED RADAR INC (3)· patent assignee history
2019Patents assigned to LUMENTUM OPERATIONS LLC (2)· patent assignee history
2019Based in San Jose, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
APPLIED RADAR INC32009–2010
JDS UNIPHASE CORP22005–2006
LUMENTUM OPERATIONS LLC22019
UNIV CONNECTICUT11996
Locations
LocationPatentsSpan
Storrs, CT, US62005–2019
San Jose, California, US12019
Vernon, CT, US11996