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Inventor

Changbao Ma

Inventor
Goleta, CA, US

Overview

4→
Patents
2014–2016
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus57%
B82YSpecific uses or applications of nanostructures14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%
H01QAntennas, i.e. radio aerials14%
PatentTitleYear
9,366,824'Optical circuit switch with integral circulators'20169,151,891'Metamaterial-based optical lenses'20159,063,288'Optical circuit switch with integral circulators'20158,768,124'Direct coupling of optical slot waveguide to another optical waveguide'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2015Patents assigned to MA CHANGBAO (2)· patent assignee history
2014Patents assigned to UNIV GEORGETOWN (1)· patent assignee history
2014–2015Based in Fairfax, VA, US· patent location history
2015–2016Patents assigned to CALIENT TECHNOLOGIES INC (2)· patent assignee history
2015Patents assigned to LIU ZHAOWEI (1)· patent assignee history
2015Patents assigned to UNIV CALIFORNIA (1)· patent assignee history
2015–2016Based in Goleta, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CALIENT TECHNOLOGIES INC22015–2016
MA CHANGBAOself22014–2015
LIU ZHAOWEI12015
UNIV CALIFORNIA12015
UNIV GEORGETOWN12014
Locations
LocationPatentsSpan
Goleta, California, US22015–2016
Fairfax, Virginia, US22014–2015