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Inventor

Ji Ho Chang

Inventor
Seoul, KR

Overview

2→
Patents
1998–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

G06Qprimary
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes33%
H01JElectric discharge tubes or discharge lamps33%
H04WWireless communication networks33%
PatentTitleYear
11,126,952Electronic apparatus and operation method thereof20215,834,886'Shadow mask frame with a curved flange'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to SAMSUNG DISPLAY DEVICES CO LTD (1)· patent assignee history
1998Based in Busan Metropolitan, KR· patent location history
2021Patents assigned to COUPANG CORP (1)· patent assignee history
2021Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COUPANG CORP12021
SAMSUNG DISPLAY DEVICES CO LTD11998
Locations
LocationPatentsSpan
Seoul, KR12021
Busan Metropolitan, KR11998