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For the Inventor, By the Inventor

Daejeon, South Korea

Jihye Gwak

This inventor holds 15 USPTO granted patents and 11 published patent applications and 3 EPO patents, primarily in Solar Cell Technology. Top assignee: Korea Institute of Energy Research. Active years: 2014-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jihye Gwak. Retrieved from https://idiyas.com/inventor/jihye-gwak

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

Calculating rank
USPTO Granted Patents = 15 

% Patents Active = 100.0

 

Average Co-Inventor Count = 10.4

ph-index = 1


Location History:

  • Gyeonggi-do, KR (2014)
  • Daejeon, KR (2014 - 2019)

Company Filing History:

goldMedal15 out of 430 
 
Korea Institute of Energy Research
 patents

Years Active: 2014-2019

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Areas of Expertise:
Solar Photovoltaic Device
CIGS-Based Solar Cell
Thin Film Technology
Light Absorption Layer
Chalcogen Compound
CZTS Thin Film
Temperature Control Device
Tandem Solar Cells
Copper Indium Gallium Selenide
Zinc Oxide Structure
Radiation Intensity Measurement
Reliability Testing
15 patents (USPTO):Explore Patents
1. 10465868 - Jig for sample for solar photovoltaic device and solar simulator including the same (2019-11-05),
2. 10415134 - Crucible for electron-beam evaporator (2019-09-17),
3. 10283654 - Method of manufacturing cigs-based solar cell and cigs-based solar cell (2019-05-07),
4. 10096739 - Method for manufacturing light absorption layer of thin film solar cell and thin film solar cell using the same (2018-10-09),
5. 10056512 - Method of forming chalcogen compound light-absorption layer thin film for solar cell (2018-08-21),
6. 9780246 - Method for manufacturing CZTS based thin film having dual band gap slope, method for manufacturing CZTS based solar cell having dual band gap slope and CZTS based solar cell thereof (2017-10-03),
7. 9667190 - Device for controlling sample temperature during photoelectric measurement and solar cell measurement device using same (2017-05-30),
8. 9634162 - Method of fabricating A(C)IGS based thin film using Se-Ag2Se core-shell nanoparticles, A(C)IGS based thin film fabricated by the same, and tandem solar cells including the A(C)IGS based thin film (2017-04-25),
9. 9496449 - Method for manufacturing CI(G)S-based thin film comprising Cu-Se thin film using Cu-Se two-component nanoparticle flux, and CI(G)S-based thin film manufactured by the method (2016-11-15),
10. 9472708 - Method of fabricating copper indium gallium selenide (CIGS) thin film for solar cell using simplified co-vacuum evaporation and copper indium gallium selenide (CIGS) thin film for solar cell fabricated by the same (2016-10-18),
11. 9437761 - Method of forming chalcopyrite light-absorbing layer (2016-09-06),
12. 9252316 - Ultra thin hit solar cell and fabricating method of the same (2016-02-02),
13. 9159865 - Method of forming zinc oxide prominence and depression structure and method of manufacturing solar cell using thereof (2015-10-13),
14. 8896337 - Apparatus and method for measurement of radiation intensity for testing reliability of solar cell, and method for testing reliability of solar cell (2014-11-25),
15. 8747706 - Cu—In—Zn—Sn-(Se,S)-based thin film for solar cell and preparation method thereof (2014-06-10),

Title: Jihye Gwak: Innovator in Solar Technology and Electron-Beam Evaporation

Introduction

Jihye Gwak is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the fields of solar technology and materials science. With a total of 15 patents to his name, Gwak continues to push the boundaries of innovation.

Latest Patents

Among his latest inventions is a jig for a sample for a solar photovoltaic device. This jig includes a cradle unit that supports the sample and a contact unit with at least one probe pin that contacts a busbar of the sample. The design allows for the cradle unit to rotate at an angle of 180° or greater, enabling the upper and lower surfaces of the sample to be reversed. Another notable patent is a crucible for an electron-beam evaporator. This crucible is designed to exhibit stable evaporation efficiency and durability with respect to aluminum. It features a storage unit for deposition material and a wetting prevention unit that minimizes contact with ceramic materials, thereby extending the lifespan of the crucible.

Career Highlights

Jihye Gwak is affiliated with the Korea Institute of Energy Research, where he conducts research and development in energy technologies. His work has been instrumental in advancing solar energy applications and improving material properties in thin film technologies.

Collaborations

Gwak collaborates with talented individuals in his field, including Ara Cho and Sejin Ahn. Their combined expertise fosters an environment of innovation and creativity.

Conclusion

Jihye Gwak's contributions to solar technology and materials science highlight his role as a leading inventor. His innovative patents and collaborative efforts continue to shape the future of energy research.

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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