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For the Inventor, By the Inventor

Seoul, South Korea

Delta Pds., Ltd.


USPTO Granted Patents = 3

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

goldMedal Jae Ho Choi (3 out of 75 patents)

silverMedal Seo Hyun Choi (1 out of 3 patents)


3 patents:

1. 12749049 - Apparatus and method for processing work activity based on work object (2026-09-29),
2. 12602632 - Work chat room-based task management apparatus and method (2026-04-14),
3. 12555076 - Method of managing strategy-map executable by computer, server performing the same and storage media storing the same (2026-02-17),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#964 in Seoul

#2,785 in South Korea

Seoul, KR
Seoul, South Korea

Delta Pds., Ltd.

Forward Citations = 0

2 inventors:

goldMedal Jae Ho Choi (3 out of 75 patents)

silverMedal Seo Hyun Choi (1 out of 3 patents)

Please report any incorrect information to [email protected]
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