Inventor

Chi-Hung Chi

Inventor
Croton-on-Hudson, NY, US

Overview

8→
Patents
1994–2021
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

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

G06Fprimary
G06FElectric digital data processing54%
H04LTransmission of digital information, e.g. telegraphic communication15%
G06KGraphical data reading8%
G06NComputing arrangements based on specific computational models8%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes8%
H04WWireless communication networks8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1995Patents assigned to PHILIPS CORP (2)· patent assignee history
1994–1998Based in Croton-on-Hudson, NY, US· patent location history
1997–1998Patents assigned to PHILIPS ELECTRONICS NA (3)· patent assignee history
1998Patents assigned to IBM (1)· patent assignee history
1998Based in New Territories, HK· patent location history
2021Patents assigned to SIFT SCIENCE INC (2)· 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
PHILIPS ELECTRONICS NA31997–1998
PHILIPS CORP21994–1995
SIFT SCIENCE INC22021
IBM11998
Locations
LocationPatentsSpan
Croton-on-Hudson, New York, US51994–1998
San Francisco, California, US22021
New Territories, HK11998