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For the Inventor, By the Inventor

Daejeon, South Korea

Won Seok Han

USPTO Granted Patents = 17 

Average Co-Inventor Count = 4.5

ph-index = 3

Forward Citations = 39(Granted Patents)


Location History:

  • Daejon-Shi, KR (2004)
  • Daejeon-Shi, KR (2006)
  • Daejeon, KR (2007 - 2024)

Company Filing History:

goldMedal17 out of 11,277 
 
Electronics and Telecommunications Research Institute
 patents

Years Active: 2004-2024

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17 patents (USPTO):Explore Patents
1. 12072600 - Mach-zehnder interferometric optical modulator with shallow ridge waveguide structure and method for manufacturing the same (2024-08-27),
2. 11594656 - Quantum light source device and optical communication apparatus including the same (2023-02-28),
3. 11500150 - Waveguide photodetector (2022-11-15),
4. 11018475 - High-output power quarter-wavelength shifted distributed feedback laser diode (2021-05-25),
5. 10985530 - Tunable semiconductor laser and operation method thereof (2021-04-20),
6. 10658538 - Optical detection device (2020-05-19),
7. 10649139 - Optical waveguide structure (2020-05-12),
8. 10291327 - Optical signal generating apparatus and operating method thereof (2019-05-14),
9. 8987037 - Methods of manufacturing a solar cell (2015-03-24),
10. 8942521 - Planar waveguide element (2015-01-27),
11. 8637765 - Single junction type cigs thin film solar cell and method for manufacturing the thin film solar cell (2014-01-28),
12. 7776752 - Method of etching for multi-layered structure of semiconductors in group III-V and method for manufacturing vertical cavity surface emitting laser device (2010-08-17),
13. 7394104 - Semiconductor optical device having current-confined structure (2008-07-01),
14. 7369595 - Distributed Bragg reflector (DBR) structure in vertical cavity surface emitting laser (VCSEL) diode, method of manufacturing the same, and VCSEL diode (2008-05-06),
15. 7230276 - Semiconductor optical device having current-confined structure (2007-06-12),

Title: The Innovative Journey of Won Seok Han

Introduction: Won Seok Han is a distinguished inventor hailing from Daejeon, South Korea, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Won Seok Han holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Won Seok Han has worked with leading tech companies, research institutions, and universities, consistently pushing the boundaries of what is possible in the realm of innovation.

Collaborations: Throughout his career, Won Seok Han has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence in all his projects.

Conclusion: Won Seok Han's passion for innovation, coupled with his relentless drive to solve complex problems, has solidified his reputation as a visionary inventor in the global tech community.

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