Inventor

Shawn X. Gao

Inventor
Irvine, CA, US

Overview

24→
Patents
1994–2015
Patent span
Human necessities
Primary field (CPC A)

Patents· 24 as inventor

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

A61Mprimary
A61MDevices for introducing media into, or onto, the body26%
A61FFilters implantable into blood vessels21%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers15%
A61BDiagnosis11%
G01FMeasuring volume, volume flow, mass flow or liquid level9%
H03HImpedance networks, e.g. resonant circuits9%
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for2%
F04BPositive-displacement machines for liquids2%
F04DNon-positive-displacement pumps2%
H04SStereophonic systems2%
PatentTitleYear
9,132,229'System and method of priming a surgical cassette'20159,089,398'Aspiration cassette with gas and debris management'20158,728,108'Systems and methods for dynamic pneumatic valve driver'20148,465,467'Method of controlling an irrigation/aspiration system'20138,348,879'Surgical system having a cassette with an acoustic air reflector'20138,246,580'Aspiration control via flow or impedance'20128,079,836'Method of operating a peristaltic pump'20117,965,853'Band-limited adaptive feedback canceller for hearing aids'20117,965,854'Band-limited adaptive feedback canceller for hearing aids'20117,956,341'System and method of non-invasive continuous level sensing using a linear sensor array'20117,896,839'Surgical cassette for intraocular pressure control'20117,872,746'Single light source uniform parallel light curtain'20117,786,457'Systems and methods of non-invasive level sensing for a surgical cassette'20107,764,370'System and method to zero chambers in a surgical cassette'20107,713,237'Surgical cassette for intraocular pressure control'20107,604,615'Surgical cassette with bubble separating structure'20097,594,901'Surgical cassette with multi area fluid chamber'20097,524,299'Aspiration control'20097,331,221'Precision inflation control device'20087,292,699'Band-limited adaptive feedback canceller for hearing aids'20076,980,662'Device for presenting acoustical and vibratory stimuli and method of calibration'20056,876,751'Band-limited adaptive feedback canceller for hearing aids'20056,134,329'Method of measuring and preventing unstable feedback in hearing aids'20005,325,436'Method of signal processing for maintaining directional hearing with hearing aids'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2007Patents assigned to HOUSE EAR INST (5)· patent assignee history
1994–2011Based in Cerritos, CA, US· patent location history
2008Based in Arcadia, CA, US· patent location history
2009–2011Patents assigned to ALCON INC (9)· patent assignee history
2009–2015Based in Irvine, CA, US· patent location history
2011–2015Patents assigned to GAO SHAWN X (7)· patent assignee history
2011–2013Patents assigned to NOVARTIS AG (4)· patent assignee history
2014–2015Patents assigned to ALCON RES LTD (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALCON INC92009–2011
GAO SHAWN Xself72011–2015
HOUSE EAR INST51994–2007
NOVARTIS AG42011–2013
ALCON RES LTD32014–2015
Locations
LocationPatentsSpan
Irvine, California, US162009–2015
Cerritos, California, US71994–2011
Arcadia, California, US12008