For the Inventor, By the Inventor

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Seoul, South Korea

Korea Telecom Freetel Co., Ltd.

USPTO Granted Patents = 3

Forward Citations = 103

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8 inventors (with patents filed for the assignee):

Seung Won Choi (2 out of 20 patents)

Dong Un Yun (2 out of 3 patents)

Byung-Ik Ahn (1 out of 3 patents)

4. Chan-Ho Yun (1 out of 2 patents)

5. Yuon-Pil Jeung (1 out of 2 patents)

6. Cheol-Hyun Kang (1 out of 2 patents)

7. Seong-Jin Choi (1 out of 2 patents)

8. Kwang-Wuk Lee (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6681111 - Roaming service system for GSM service subscriber in CDMA service area, and method for registering locations and transmitting and receiving signals and short messages using the system (2004-01-20),

2. 6127973 - Signal processing apparatus and method for reducing the effects of (2000-10-03),

3. 5999800 - Design technique of an array antenna, and telecommunication system and (1999-12-07),

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USPTO Data Jan 1 1976 - Dec 2 2025

3 Patents

#856 in Seoul

#2,638 in South Korea

Seoul, South Korea

Korea Telecom Freetel Co., Ltd.

Forward Citations = 103

8 inventors:

Seung Won Choi (2 out of 20 patents)

Dong Un Yun (2 out of 3 patents)

Byung-Ik Ahn (1 out of 3 patents)

4. Chan-Ho Yun (1 out of 2 patents)

5. Yuon-Pil Jeung (1 out of 2 patents)

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