LexDanaLexDanabeta
Inventor

Xiang-Yao Guo

Inventor
Waterloo, CA

Overview

9→
Patents
1993–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

C08Cprimary
C08CTreatment or chemical modification of rubbers25%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers13%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
F16FSprings6%
G02BOptical elements, systems or apparatus6%
G06FElectric digital data processing6%
G06TImage data processing or generation, in general6%
H01FMagnets6%
H01LSemiconductor devices6%
PatentTitleYear
10,748,344Methods and devices for user interaction in augmented reality202010,327,074Vibrating film and vibrating film assembling process201910,057,687Speaker structure20189,691,647'Holding apparatus for holding substrates'20176,022,626'Coatings for high temperature engine mounts'20005,258,467'Catalytic solution hydrogenation of nitrile rubber'19935,241,013'Catalytic hydrogenation of nitrile rubber'19935,210,151'Hydrogenation of nitrile rubber'19935,208,296'Nitrile rubber hydrogenation'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to POLYSAR RUBBER CORP (4)· patent assignee history
1993Based in Waterloo, CA· patent location history
2017Patents assigned to BOE TECHNOLOGY GROUP CO LTD (1)· patent assignee history
2017Patents assigned to HEFEI BOE OPTOELECTRONICS TECH (1)· patent assignee history
2017Based in Beijing, CN· patent location history
2018–2019Patents assigned to GOERTEK INC (2)· patent assignee history
2018Based in Shandong, CN· patent location history
2019Based in Weifang, CN· patent location history
2020Patents assigned to SEIKO EPSON CORP (1)· patent assignee history
2020Based in Markham, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
POLYSAR RUBBER CORP41993
GOERTEK INC22018–2019
BOE TECHNOLOGY GROUP CO LTD12017
HEFEI BOE OPTOELECTRONICS TECH12017
SEIKO EPSON CORP12020
Locations
LocationPatentsSpan
Waterloo, CA41993
Markham, CA12020
Weifang, CN12019
Shandong, CN12018
Beijing, CN12017