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Daejeon-si, South Korea

Research & Industrial Cooperation Group

USPTO Granted Patents = 18

EPO Patents = 2

Forward Citations = 140

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67 inventors (with patents filed for the assignee):

Sang-Gug Lee (2 out of 24 patents)

Hyuckjae Lee (2 out of 2 patents)

Dongwook Lee (2 out of 2 patents)

4. Min Ho Kang (2 out of 8 patents)

5. Ji Hwan Choi (2 out of 5 patents)

6. Yong-Seok Kim (1 out of 64 patents)

7. Jungeun Kim (1 out of 9 patents)

8. Hyun-Cheol Park (1 out of 53 patents)

9. Youngsu Moon (1 out of 19 patents)

10. Jung Won Kang (1 out of 337 patents)

11. Jin Woo Hong (1 out of 119 patents)

12. Kyung-Joo Suh (1 out of 46 patents)

13. Jeong Ju Yoo (1 out of 17 patents)

14. Sangkyun Kim (1 out of 9 patents)

15. Soong-Yoon Choi (1 out of 12 patents)

18 patents: Sort by Forward Citations

1. 8660439 - Digital automatic gain control apparatus and method in burst mode optical receiver (2014-02-25),

2. 8514926 - Method and system for encryption/decryption of scalable video bitstream for conditional access control based on multidimensional scalability in scalable video coding (2013-08-20),

3. 8184153 - Method and apparatus for defining and reconstructing ROIs in scalable video coding (2012-05-22),

4. 8081697 - Detection complexity reducing apparatus and method in multiple input multiple output (MIMO) antenna system (2011-12-20),

5. 7924786 - Handoff system and method among heterogeneous networks and mobile terminal employing the same (2011-04-12),

6. 7756334 - Method, medium, and apparatus for person-based photo clustering in digital photo album, and person-based digital photo albuming method, medium, and apparatus (2010-07-13),

7. 7738490 - Method and system for fairly allocating differentiated bandwidth based on shared multicast traffic in time division multiplexed passive optical network (2010-06-15),

8. 7738237 - Tunable inter-digital capacitor and method of manufacturing the same (2010-06-15),

9. 7684393 - Void-filling in an optical burst switching system using constant offset (2010-03-23),

10. 7626503 - Bi-slot tree based tag identification method in RFID systems (2009-12-01),

11. 7620044 - Apparatus and method for transferring data bursts in optical burst switching network (2009-11-17),

12. 7612672 - Query tree based tag identification method in RFID systems (2009-11-03),

13. 7583669 - Dynamic multicast group management and service wavelength allocation method for communication-broadcasting convergence service in WDM-PON (2009-09-01),

14. 7561800 - Optical burst switching system and method using duplicate burst transmission (2009-07-14),

15. 7420418 - Circuit for improving amplification and noise characteristics for MOSFET, and frequency mixer, amplifier and oscillator using the circuit (2008-09-02),

Research & Industrial Cooperation Group (RIC Group) is a global research and consultancy firm specializing in providing innovative solutions for industrial development projects. With a team of experienced professionals from various fields, RIC Group offers comprehensive services including market research, technological analysis, project management, and investment consulting. They collaborate with industrial organizations and research institutions to foster cooperation, exchange knowledge, and drive sustainable growth in various sectors worldwide.

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USPTO Data Jan 1 1976 - Dec 30 2025

18 Patents

#4 in Daejeon-si

#653 in South Korea

#33,177 in the World

Daejeon-si, South Korea

Research & Industrial Cooperation Group

Forward Citations = 140

67 inventors:

Sang-Gug Lee (2 out of 24 patents)

Hyuckjae Lee (2 out of 2 patents)

Dongwook Lee (2 out of 2 patents)

4. Min Ho Kang (2 out of 8 patents)

5. Ji Hwan Choi (2 out of 5 patents)

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