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For the Inventor, By the Inventor

Seongnam-si, South Korea

Chang-Hoi Koo

USPTO Granted Patents = 84

 

 

Average Co-Inventor Count = 4.2

ph-index = 24

Forward Citations = 1,650(Granted Patents)

Forward Citations (Not Self Cited) = 1,624(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kyunggi-do, KR (2002)
  • Kyonggi, KR (2003)
  • Songnam, KR (2005 - 2006)
  • Soungnam-Shi, KR (2003 - 2009)
  • Seongnam-si., KR (2010)
  • Songnam-shi, KR (2003 - 2014)
  • Gyeonggi-do, KR (2012 - 2015)
  • Kyonggi-do, KR (2004 - 2016)
  • Seongnam-si, KR (2007 - 2019)

Company Filing History:

goldMedal84 out of 131,744 
 
Samsung Electronics Co., Ltd.
 patents
silverMedal1 out of 49 
 
Beijing Samsung Telecom R&d Center
 patents
where one patent can have more than one assignee

Years Active: 2002-2019

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Areas of Expertise:
Handover Operation
Broadband Wireless Access
Mobile Communication
Channel Quality Measurement
Traffic Indication Message
Dynamic Resource Allocation
Orthogonal Frequency Division Multiple Access
Reverse Transmission Control
Neighbor Base Station Configuration
Interactive Data Service
Service Delay Minimization
Network Re-Entry
84 patents (USPTO):Explore Patents
1. 10271248 - System and method for performing handover operation in broadband wireless access communication system (2019-04-23),
2. 9356728 - Method of controlling reverse transmission in a mobile communication system (2016-05-31),
3. 9113493 - Method of requesting allocation of uplink resources for extended real-time polling service in a wireless communication system (2015-08-18),
4. 8717968 - Method of controlling reverse transmission in a mobile communication system (2014-05-06),
5. 8553585 - Method for measuring and reporting channel quality in a broadband wireless access communication system (2013-10-08),
6. 8380197 - System and method for allocating a channel quality information channel in a communication system (2013-02-19),
7. 8374611 - Method for compulsorily performing handover in broadband wireless communication system (2013-02-12),
8. 8331933 - Method for providing multi-level access services in common access channel (2012-12-11),
9. 8254314 - Method of requesting allocation of uplink resources for extended real-time polling service in a wireless communication system (2012-08-28),
10. 8160026 - System and method for performing handover in a broadband wireless access communication system (2012-04-17),
11. 8112088 - Method for compulsorily performing handover in broadband wireless communication system (2012-02-07),
12. 8077673 - System and method for performing handover in a broadband wireless access communication system (2011-12-13),
13. RE42573 - Method for measuring and reporting channel quality in a broadband wireless access communication system (2011-07-25),
14. 7920868 - System and method for performing a fast handover in a broadband wireless access communication system (2011-04-05),
15. 7920525 - Method for measuring and reporting channel quality in a broadband wireless access communication system (2011-04-05),

Title: Chang-Hoi Koo: Pioneering Inventor from Seongnam-si, South Korea

Introduction: Chang-Hoi Koo is a distinguished inventor hailing from Seongnam-si, South Korea, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Chang-Hoi Koo holds several patents in the realm of electronics and telecommunications, showcasing his expertise and creativity in developing cutting-edge solutions for modern challenges.

Career Highlights: With a career spanning over two decades, Chang-Hoi Koo has worked tirelessly to push the boundaries of technological advancements, earning recognition for his innovative approach and problem-solving skills.

Collaborations: Throughout his career, Chang-Hoi Koo has collaborated with leading tech companies and research institutions, fostering a culture of innovation and knowledge-sharing to drive progress in the industry.

Conclusion: Chang-Hoi Koo stands as a beacon of inspiration in the world of inventors, with his passion for innovation and dedication to excellence paving the way for a brighter future in technology.

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