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Inventor

Ian Nguyen

Inventor
Renton, WA, US

Overview

13→
Patents
2002–2021
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus32%
G06FElectric digital data processing15%
G01FMeasuring volume, volume flow, mass flow or liquid level6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
G03HHolographic processes or apparatus6%
G05BControl or regulating systems in general6%
G06KGraphical data reading6%
G06TImage data processing or generation, in general6%
G06VImage or video recognition or understanding6%
H04NPictorial communication, e.g. television6%
PatentTitleYear
11,119,318Multiplexed hologram tiling in a waveguide display202110,976,811Eye-tracking with MEMS scanning and reflected light202110,732,427Eye-tracking system positioning diffractive couplers on waveguide202010,502,876Waveguide optics focus elements201910,394,034Eye-tracking with MEMS scanning and optical relay201910,146,053Multiplexed hologram tiling in a waveguide display20189,766,464'Reducing ghost images'20179,494,799'Waveguide eye tracking employing switchable diffraction gratings'20169,377,623'Waveguide eye tracking employing volume Bragg grating'20169,164,290'Grating configurations for a tiled waveguide display'20158,885,997'NED polarization system for wavelength pass-through'20146,628,395'Device and method for preliminary testing a neat serum sample in a primary collection tube'20036,388,750'Device and method for preliminary testing a neat serum sample in a primary collection tube'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2003Patents assigned to BECKMAN COULTER INC (2)· patent assignee history
2002–2003Based in Corona, CA, US· patent location history
2014–2019Patents assigned to BOHN DAVID D (2)· patent assignee history
2014–2017Patents assigned to LEVOLA TAPANI (2)· patent assignee history
2014–2015Patents assigned to MICROSOFT CORP (2)· patent assignee history
2014–2019Based in Bellevue, WA, US· patent location history
2015–2021Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (10)· patent assignee history
2015–2021Based in Renton, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MICROSOFT TECHNOLOGY LICENSING LLC102015–2021
BECKMAN COULTER INC22002–2003
BOHN DAVID D22014–2019
LEVOLA TAPANI22014–2017
MICROSOFT CORP22014–2015
Locations
LocationPatentsSpan
Renton, Washington, US92015–2021
Bellevue, Washington, US22014–2019
Corona, California, US22002–2003