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For the Inventor, By the Inventor

Daejeon, South Korea

Chang-Hee Lee

This inventor holds 45 USPTO granted patents and 5 published patent applications and 7 EPO patents, primarily in Wavelength Division Multiplexing. Top assignees: Korea Advanced Institute of Science and Technology, Lg Chem, Ltd, Novera Optics, Inc.. Active years: 2000-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang-Hee Lee. Retrieved from https://idiyas.com/inventor/chang-hee-lee

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 45 

% Patents Active = 44.4

 

Average Co-Inventor Count = 3.6

ph-index = 9

Forward Citations = 188(Granted Patents)


Location History:

  • Suwon, KR (2000)
  • Taejon, TW (2005)
  • Taejonkwangyok-shi, KR (2005)
  • Hwaseong-si, KR (2012)
  • Taejon, KR (2004 - 2013)
  • Osan-si, KR (2011 - 2013)
  • Gyeonggi-Do, KR (2011 - 2013)
  • Daejon, KR (2009 - 2014)
  • Seoul, KR (2010 - 2015)
  • Dajeon, KR (2016)
  • Daejeon, KR (2009 - 2020)

Company Filing History:

goldMedal15 out of 2,803 
 
Korea Advanced Institute of Science and Technology
 patents
silverMedal11 out of 8,670 
 
Lg Chem, Ltd
 patents
bronzeMedal8 out of 40 
 
Novera Optics, Inc.
 patents
4. 4 out of 13,917 
 
Lg Display Co., Ltd.
 patents
5. 4 out of 138,671 
 
Samsung Electronics Co., Ltd.
 patents
6. 2 out of 59 
 
Lg-Nortel Co., Ltd.
 patents
7. 2 out of 549 
 
Snu Rdb Foundation
 patents
8. 1 out of 7,663 
 
Samsung Sdi Co., Inc.
 patents
where one patent can have more than one assignee

Years Active: 2000-2020

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Areas of Expertise:
Wavelength Division Multiplexing
Optical Networks
Glass Light-Guide Plates
Quantum Dot Devices
Fabry-Perot Laser Diodes
Optical Transmission Systems
Photovoltaic Devices
Glass Polishing
Liquid Crystal Displays
Broadband Light Sources
Semiconductor Devices
Lasing Wavelength Control
45 patents (USPTO):Explore Patents
1. 10662107 - Borosilicate glass, light guide plate comprising the same and fabricating methods thereof (2020-05-26),
2. 10488586 - Glass light-guide plate and manufacturing method thereof (2019-11-26),
3. 10207950 - Glass light guiding plate (2019-02-19),
4. 9407062 - Wavelength-maintaining Fabry-Perot Laser Diode and optical transmitter including same (2016-08-02),
5. 9130671 - Apparatus for monitoring failure positions in wavelength division multiplexing-passive optical networks and wavelength division multiplexing-passive optical network systems having the apparatus (2015-09-08),
6. 9083469 - Device and method for controlling lasing wavelength of tunable laser, and a wavelength division multiplexed-passive optical network having the same (2015-07-14),
7. 9073752 - Quantum dot light emitting element and method for manufacturing the same (2015-07-07),
8. 8861963 - Shared high-intensity broadband light source for a wavelength-division multiple access passive optical network (2014-10-14),
9. 8818200 - Multiple star wavelength division multiplexing passive optical networks using a wavelength assignment method (2014-08-26),
10. 8687972 - Multiple star wavelength division multiplexing passive optical networks using a wavelength assignment method (2014-04-01),
11. 8552416 - Quantum dot light emitting diode device and display device therewith (2013-10-08),
12. 8449355 - Glass polishing system (2013-05-28),
13. 8449351 - Lower unit for glass polishing system and glass polishing method using the same (2013-05-28),
14. 8442400 - Wavelength division multiplexed-passive optical network capable of high-speed transmission of an optical signal by using modulation format having high spectral efficiency (2013-05-14),
15. 8440118 - Master mold, master mold fabrication method, and method for fabricating liquid crystal display device using the same (2013-05-14),

Title: Chang-Hee Lee: Pioneering Innovator from Daejeon, KR

Introduction: Chang-Hee Lee is a distinguished inventor hailing from Daejeon, South Korea, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Chang-Hee Lee holds several patents in the areas of electronics, telecommunications, and renewable energy, showcasing his versatility and ingenuity in creating cutting-edge solutions for modern challenges.

Career Highlights: With a career spanning over two decades, Chang-Hee Lee has worked with prestigious research institutions and leading technology companies, consistently pushing the boundaries of what is possible in the realm of invention.

Collaborations: Throughout his career, Chang-Hee Lee has collaborated with top engineers, scientists, and researchers both locally and internationally, fostering a culture of innovation and knowledge-sharing that has led to numerous successful projects and inventions.

Conclusion: Chang-Hee Lee's passion for innovation, coupled with his relentless drive to create solutions that make a difference, solidifies his position as a trailblazer in the world of inventions. His work continues to inspire future generations of inventors and innovators to think boldly and push the limits of what technology can achieve.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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