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Inventor

Won Chang

Inventor
Seoul, KR

Overview

2→
Patents
2000–2017
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.

G06Fprimary
G06FElectric digital data processing40%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes20%
H04NPictorial communication, e.g. television20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
9,762,934'Apparatus and method for verifying broadcast content object identification based on web data'20176,064,951'Query transformation system and method enabling retrieval of multilingual web documents'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to ELECTRONIC AND TELECOMMUNICATI (1)· patent assignee history
2000Based in Daejeon, KR· patent location history
2017Patents assigned to ELECTRONICS & TELECOMMUNICATIONS RES INST (1)· patent assignee history
2017Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ELECTRONIC AND TELECOMMUNICATI12000
ELECTRONICS & TELECOMMUNICATIONS RES INST12017
Locations
LocationPatentsSpan
Seoul, KR12017
Daejeon, KR12000