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Seoul, South Korea

Duzon Dass Co., Ltd.

USPTO Granted Patents = 1

Forward Citations = 1

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2 inventors (with patents filed for the assignee):

Yong-Woo Kim (1 out of 18 patents)

Hye-Jeong Jeong (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 8600884 - System and method for payment receipt using 2D code (2013-12-03),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#1,762 in Seoul

#5,510 in South Korea

Seoul, South Korea

Duzon Dass Co., Ltd.

Forward Citations = 1

2 inventors:

Yong-Woo Kim (1 out of 18 patents)

Hye-Jeong Jeong (1 out of 1 patent)

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