For the Inventor, By the Inventor

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Seoul, South Korea

Sk Marketing & Company, Co., Ltd

USPTO Granted Patents = 2

Forward Citations = 44

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7 inventors (with patents filed for the assignee):

Jeong-Hun Lee (1 out of 10 patents)

Chan-Young Choi (1 out of 1 patent)

Yeong-Sam Jeong (1 out of 1 patent)

4. Do-Sung Kim (1 out of 3 patents)

5. Kwan-Sik Yoo (1 out of 1 patent)

6. Dong-Soon Min (1 out of 1 patent)

7. Seung-Woo Chung (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 8041503 - Traffic information providing system using digital map for collecting traffic information and method thereof (2011-10-18),

2. 7689425 - Quality of service call routing system using counselor and speech recognition engine and method thereof (2010-03-30),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#1,169 in Seoul

#3,600 in South Korea

Seoul, South Korea

Sk Marketing & Company, Co., Ltd

Forward Citations = 44

7 inventors:

Jeong-Hun Lee (1 out of 10 patents)

Chan-Young Choi (1 out of 1 patent)

Yeong-Sam Jeong (1 out of 1 patent)

4. Do-Sung Kim (1 out of 3 patents)

5. Kwan-Sik Yoo (1 out of 1 patent)

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