Inventor

Xu Cheng

Inventor

Pittsburgh, PA, US

Overview

1998–2020

Patent span

Physics

Primary field (CPC G)

Patents· 69 as inventor

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

G05Bprimary

G05BControl or regulating systems in general9%

G02CSpectacles9%

G06FElectric digital data processing7%

H10DInorganic electric semiconductor devices7%

A61FFilters implantable into blood vessels6%

H01LSemiconductor devices6%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

F01KSteam engine plants4%

F22BMethods of steam generation4%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%

PatentTitleYear

10,877,294Contact lens comprising non-coaxial lenslets for preventing and/or slowing myopia progression2020 10,859,857Pulsed plus lens designs for myopia control, enhanced depth of focus and presbyopia correction2020 10,838,236High plus treatment zone lens design and method for preventing and/or slowing myopia progression2020 10,823,980High plus treatment zone lens design and method for preventing and/or slowing myopia progression2020 10,780,348Method and device for generating character behaviors in game and storage medium2020 10,781,723Methods and apparatus to optimize steam header blending and gas turbine loading in combined cycle power plants2020 10,642,067Ametropia treatment tracking methods and system2020 10,606,254Method for improving process/equipment fault diagnosis2020 10,534,491Capacitive touch sensor and method2020 10,471,936Adapter, nozzle structure, assembly consisting of the adapter and the nozzle structure and the assembling method thereof2019 10,387,775Model-based characterization of pressure/load relationship for power plant load control2019 10,359,646High plus treatment zone lens design and method for preventing and/or slowing myopia progression2019 10,267,182Methods and apparatus to optimize steam turbine ramp rates2019 10,240,775Multi-objective steam temperature control2019 10,222,769Method for determining and tuning process characteristic parameters using a simulation system2019 10,217,860Partially biased isolation in semiconductor devices2019 10,186,612Partially biased isolation in semiconductor devices2019 10,126,810Method for controlling power generation unit to desired output as specified by load demand signal by using modified control signal2018 10,061,143Multifocal lens design for preventing and/or slowing myopia progression2018 10,042,181Ametropia treatment tracking methods and system2018 10,012,849Myopia controlling ophthalmic lenses2018 10,012,848Mask lens design and method for preventing and/or slowing myopia progression2018 9,917,150'Deep trench isolation structures and systems and methods including the same'2018 9,827,250Lens incorporating myopia control optics and muscarinic agents2017 9,825,169'Partial, self-biased isolation in semiconductor devices'2017 9,811,229'Capacitive touch sensing'2017 9,771,872'Model-based combined cycle power plant load control'2017 9,771,834'Method and apparatus for providing load dispatch and pollution control optimization'2017 9,733,494'Free form lens design and method for preventing and/or slowing myopia progression'2017 9,728,600'Partially biased isolation in semiconductor devices'2017 9,680,011'Self-adjusted isolation bias in semiconductor devices'2017 9,638,936'High plus treatment zone lens design for preventing and/or slowing myopia progression'2017 9,606,531'Decentralized industrial process simulation system'2017 9,601,564'Deep trench isolation'2017 9,594,259'Mask lens design and method for preventing and/or slowing myopia progression'2017 9,570,548'Deep trench isolation structures and systems and methods including the same'2017 9,547,182'Of myopia control ophthalmic lenses'2017 9,343,526'Deep trench isolation'2016 9,261,869'Hybrid sequential and simultaneous process simulation system'2016 9,142,607'Metal-insulator-metal capacitor'2015 9,136,323'Drain-end drift diminution in semiconductor devices'2015 9,136,327'Deep trench isolation structures and systems and methods including the same'2015 9,052,703'Enhanced sequential method for solving pressure/flow network parameters in a real-time distributed industrial process simulation system'2015 8,960,901'Myopia control ophthalmic lenses'2015 8,895,369'Methods for manufacturing superjunction semiconductor device having a dielectric termination'2014 8,853,780'Semiconductor device with drain-end drift diminution'2014 8,789,947'Myopia control ophthalmic lenses'2014 8,703,940'Process for preparing 3,6-dihydro-1,3,5-triazine derivatives'2014 8,560,283'Methods and apparatus to compensate first principle-based simulation models'2013 8,527,252'Real-time synchronized control and simulation within a process plant'2013 8,461,655'Micromechanical sound transducer having a membrane support with tapered surface'2013 8,359,112'Method for redundant controller synchronization for bump-less failover during normal and program mismatch conditions'2013 8,200,369'Use of statistical analysis in power plant performance monitoring'2012 8,159,039'Superjunction device having a dielectric termination and methods for manufacturing the device'2012 8,140,296'Method and apparatus for generalized performance evaluation of equipment using achievable performance derived from statistics and real-time data'2012 8,104,283'Steam temperature control in a boiler system using reheater variables'2012 7,988,289'Ophthalmic lenses useful for the correction of presbyopia which incorporate high order aberration correction'2011 7,930,045'Two-stage model predictive control technique'2011 7,890,197'Dual model approach for boiler section cleanliness calculation'2011 7,890,214'Method and apparatus for controlling soot blowing using statistical process control'2011 7,826,908'Variable rate feedforward control based on set point rate of change'2010 7,798,640'Ophthalmic lenses useful for the correction of presbyopia which incorporate high order aberration correction'2010 7,474,080'Method and apparatus for providing economic analysis of power generation and distribution'2009 7,383,790'Method and apparatus for controlling soot blowing using statistical process control'2008 7,385,300'Method and apparatus for determining actual reactive capability curves'2008 7,288,921'Method and apparatus for providing economic analysis of power generation and distribution'2007 7,190,149'Method and apparatus for determining actual reactive capability curves'2007 7,109,446'Method and apparatus for improving steam temperature control'2006 5,720,897'Transition metal bleach activators for bleaching agents and detergent-bleach compositions'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2016Patents assigned to EMERSON PROCESS MANAGEMENT (17)· patent assignee history

2006–2020Based in Pittsburgh, PA, US· patent location history

2010–2020Patents assigned to JOHNSON & JOHNSON VISION CARE (19)· patent assignee history

2010–2011Based in Jacksonville, FL, US· patent location history

2012–2017Patents assigned to CHENG XU (23)· patent assignee history

2012–2019Based in Chandler, AZ, US· patent location history

2014–2017Patents assigned to FREESCALE SEMICONDUCTOR INC (9)· patent assignee history

2014–2020Based in St. Johns, FL, US· patent location history

2017–2020Patents assigned to EMERSON PROCESS MAN POWER & WATER SOLUTIONS INC (9)· patent assignee history

2017–2020Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHENG XUself	23	2012–2017
JOHNSON & JOHNSON VISION CARE	19	2010–2020
EMERSON PROCESS MANAGEMENT	17	2006–2016
EMERSON PROCESS MAN POWER & WATER SOLUTIONS INC	9	2017–2020
FREESCALE SEMICONDUCTOR INC	9	2014–2017

Locations

Location	Patents	Span
Pittsburgh, Pennsylvania, US	28	2006–2020
St. Johns, Florida, US	17	2014–2020
Chandler, AZ, US	14	2012–2019
Shanghai, CN	2	2017–2020
Jacksonville, Florida, US	2	2010–2011