Inventor

Cheng Guo

Inventor
Beijing, CN

Overview

35→
Patents
1997–2020
Patent span
Physics
Primary field (CPC G)

Patents· 35 as inventor

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

G06Fprimary
G06FElectric digital data processing20%
C09KMaterials for miscellaneous applications, not provided for elsewhere9%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
G06TImage data processing or generation, in general5%
LOC145%
F21KNon-electric light sources using luminescence4%
G01CMeasuring distances, levels or bearings4%
G06VImage or video recognition or understanding4%
H01JElectric discharge tubes or discharge lamps4%
H04BTransmission4%
PatentTitleYear
10,878,588Detection and replacement of transient obstructions from high elevation digital images202010,761,678Control method and electronic device202010,725,147Positioning light beam emission system, method and indoor positioning system202010,698,559Method and apparatus for displaying content on same screen, and terminal device202010,222,866Information processing method and electronic device201910,118,433Device for dispensing chemiluminescent solution201810,050,472Control method and device for wireless power transfer system of motor device20189,880,706'Gesture for selecting multiple items in a list'20189,692,871'Information processing method and electronic device'20179,587,173'Chemiluminescent system'20179,563,295'Method of identifying a to-be-identified object and an electronic device of the same'20179,524,039'Method of identifying a to-be-identified object and an electronic device of the same'20169,497,575'First device, system and method to communicate with second device'20169,407,367'Methods and devices for transmitting/obtaining information by visible light signals'20169,372,568'Method, device and system for interacting'20169,323,364'Interactive method, apparatus and system'20169,128,797'Method and system for software upgrade'20159,109,156'Chemiluminescent system'20159,088,559'System and method for sharing login status between an application platform and an application'20159,081,486'Method, device and system for acquiring virtual keyboard'20158,934,784'Methods and devices for transmitting/obtaining information by visible light signal'20158,622,548'3D retinal disruptions detection using optical coherence tomography'2014D0690295'Interactive input system component'20138,502,789'Method for handling user input in an interactive input system, and interactive input system executing the method'2013D0675621'Interactive input system component'2013D0657787'Interactive input system'20127,567,715'System and method for representing and encoding images'20096,919,150'Structures useful in electron beam lithography'20056,813,005'Storage containers for lithography mask and method of use'20046,746,805'Methods for fabricating lithography apparatus'20046,689,817'Process for preparing guaifenesin tannate'20045,705,103'Composition for producing chemiluminescent light of controllable duration'19985,663,415'Process for preparing antihistamine tannates'19975,599,846'Phenylephrine tannate compositions'19975,597,517'Two-component chemiluminescent composition'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2004Patents assigned to JAME FINE CHEMICALS INC (5)· patent assignee history
1997–1998Based in Harrison, NJ, US· patent location history
2012–2015Patents assigned to GUO CHENG (5)· patent assignee history
2012–2013Patents assigned to SMART TECHNOLOGIES ULC (4)· patent assignee history
2012–2013Based in Calgary, CA· patent location history
2015–2020Based in Beijing, CN· patent location history
2015–2020Based in Shenzhen, CN· patent location history
2015–2018Based in Scarsdale, NY, US· patent location history
2016–2020Patents assigned to LENOVO BEIJING CO LTD (6)· patent assignee history
2016–2019Patents assigned to BEIJING LENOVO SOFTWARE LTD (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LENOVO BEIJING CO LTD62016–2020
BEIJING LENOVO SOFTWARE LTD52016–2019
GUO CHENGself52012–2015
JAME FINE CHEMICALS INC51997–2004
SMART TECHNOLOGIES ULC42012–2013
Locations
LocationPatentsSpan
Beijing, CN122015–2020
Shenzhen, CN52015–2020
Calgary, CA42012–2013
Harrison, New Jersey, US41997–1998
Scarsdale, New York, US32015–2018