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Inventor

Cheung Hui Choi

Inventor
San Francisco, CA, US

Overview

2→
Patents
2017–2021
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for11%
G05BControl or regulating systems in general11%
G06FElectric digital data processing11%
G06KGraphical data reading11%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes11%
G06VImage or video recognition or understanding11%
G07CTime or attendance registers11%
H04LTransmission of digital information, e.g. telegraphic communication11%
H04WWireless communication networks11%
PatentTitleYear
11,095,584Generating content to be shared between users20219,718,440'Electronic key device capable of wirelessly controlling lock system and transmitting control authentication of lock system, system therefor, and method therefor'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to CHOI CHEUNG HUI (1)· patent assignee history
2017Patents assigned to CHOI KUN HWI (1)· patent assignee history
2017Patents assigned to KIM GWANG WOO (1)· patent assignee history
2017Based in Daegu, KR· patent location history
2021Patents assigned to FACEBOOK INC (1)· patent assignee history
2021Based in San Francisco, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHOI CHEUNG HUIself12017
CHOI KUN HWI12017
FACEBOOK INC12021
KIM GWANG WOO12017
Locations
LocationPatentsSpan
San Francisco, California, US12021
Daegu, KR12017