Registered International Patents

5. RF4CE-based terminal and communication system thereof

Hyun-Seung CHOO, Dong-Ju Bae, Jae-Wan Seo, Hyun-Jin Kong, and Tae-Young Kim
USA, Sungkyunkwan University Foundation for Corporate Collaboration, Application Number 12/693334 (2010.01.25), Patent Number US 8355718 B2 (2013.01.15)

4. Method and apparatus for providing related words for queries using word co-occurrence frequency

Hyungsuk Ji and Hyunseung Choo
USA, Sungkyunkwan University Foundation for Corporate Collaboration, Application Number 12/392070 (2009.02.24), Patent Number US 8285714 B2 (2012.10.09)

3. Systems for tracking kidnapped hostage tracking systems, transmitters used in the same, sensor network gateways used in the same, and methods of tracking kidnapped hostage

Hyunseung Choo, Jaewan Seo, Jaehyung Lee, Jinwook Park, and Soko Jang
USA, Sungkyunkwan University Foundation for Corporate Collaboration, Application Number 12/385424 (2009.04.08), Patent Number US 8170581 B2 (2012.05.01)

2. Wireless sensor network systems, method for placing a plurality of sensor nodes in wireless sensor network system, and methods for computing sensing energy consumption per area of a plurality of sensor nodes

Vyacheslav Zalyubovskiy, Hyunseung Choo, Minhan Shon, Jaehyung Lee, Sam Yeoul Choi, and In Hur
USA, Sungkyunkwan University Foundation for Corporate Collaboration, Application Number 12/356315 (2009.01.20), Patent Number US 8165833 B2 (2012.04.24)

1. SYSTEM AND METHOD FOR POLLING IN ETHERNET PASSIVE OPTICAL NETWORK

Sang Ho Lee, Min Young Chung, Tae-Jin Lee, and Hyun Seung Choo
USA, Sungkyunkwan University Foundation for Corporate Collaboration, Application Number 12/034568 (2008.02.20), Patent Number US 7986879 B2 (2011.07.26)

Applied International Patents

12. OpenFlow Controller and Control Method for Supporting Handover in Mobile IPv6 based on Software Definition Network

Hyunseung Choo, Syed Muhammad Raza, Dongsoo Kim, Jinwoo Park, Sanggil Yeoum
USA, Sungkyunkwan University Foundation for Corporate Collaboration, Application Number 14/926428 (2015.10.29)

11. Signal output device, Signal Processing device, and Signal Processing method

Myoung Beom Chung and Hyun Seung Choo
EU, Research & Business Foundation Sungkyunkwan University, Application Number 138596135 (2014.06.12)

10. Nfc tag and smart device featuring nfc

Hyun Seung Choo, Sung Ho Myoung, Tae Woo Lee, Myoung Beom Chung, and Van Phuc Nguyen
USA, Research & Business Foundation Sungkyunkwan University, Application Number US 14/077,867 (2013.11.12)

9. Signal output apparatus, signal processing apparatus, and signal processing method

Hyun Seung Choo, Sung Ho Myoung, Myoung Beom Chung, and Tae Woo Lee
Korea, Research & Business Foundation Sungkyunkwan University, Application Number PCT/KR2013/008275 (2013.09.12)

8. RF4CE-based terminal and communication system thereof

Hyun-Seung CHOO, Dong-Ju Bae, Jae-Wan Seo, Hyun-Jin Kong, and Tae-Young Kim
USA, Sungkyunkwan University Foundation for Corporate Collaboration, Application Number US 12/693,334 (2010.01.25)

7. Systems for tracking kidnapped hostage tracking systems, Transmitters used in the same, Sensor network gateways used in the same, and methods of tracking kidnapped hostage

Hyunseung Choo, Jaewan Seo, Jaehyung Lee, Jinwook Park, and Soko Jang
USA, Sungkyunkwan University Foundation for Corporate Collaboration, Application Number US 12/385,424 (2009.04.08)

6. Method and system for extending lifetime of sensor nodes in wireless sensor network

Dae Hyung KWON, Sun Gi Kim, Kang Young MOON, Hyunseung Choo, and Vladimir V. Shakhov
USA, Samsung Electronics Co., Ltd., Sungkyunkwan University, Application Number US 12/390,031 (2009.02.20)

5. Method and apparatus for providing related words for queries using word co-occurrence frequency

Hyungsuk Ji and Hyunseung Choo
USA, Sungkyunkwan University Foundation for Corporate Collaboration, Application Number US 12/392,070 (2009.02.18)

4. Wireless sensor network systems, method for placing a plurality of sensor nodes in wireless sensor network system, and methods for computing sensing energy consumption per area of a plurality of sensor nodes

Vyacheslav Zalyubovskiy, Hyunseung Choo, Minhan Shon, Jaehyung Lee, Sam Yeoul Choi, and In Hur
USA, Sungkyunkwan University Foundation For Corporate Collaboration, Application Number US 12/356,315 (2009.01.20)

3. System and method for polling in ethernet passive optical network

Sang Ho Lee, Min Young Chung, Tae-Jin Lee, and Hyun Seung Choo
USA, Sungkyunkwan University Foundation for Corporate Collaboration, Application Number US 12/034,568 (2008.02.20)

2. Method for allocating upstream transmission bandwidth in wdm-epon

Hye Kyung Lee, Min Young Chung, Tae-Jin Lee, and Hyun Seung Choo
USA, Sungkyunkwan University Foundation for Corporate Collaboration, Application Number US 12/034,548 (2008.02.20)

1. System and method for automatically classifying search results

Hyungsuk Ji and Hyunseung Choo
USA, Sungkyunkwan University Foundation for Corporate Collaboration, Application Number US 12/032,819 (2008.02.18)