Chull Won Ju

This inventor holds 17 USPTO granted patents and 7 published patent applications, primarily in Power Semiconductor Devices. Top assignee: Electronics and Telecommunications Research Institute. Active years: 2009-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chull Won Ju. Retrieved from https://idiyas.com/inventor/chull-won-ju

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

Calculating rank

USPTO Granted Patents = 17 (Patent Applications = 7)

% Patents Active = 47.1

Average Co-Inventor Count = 7.8

ph-index = 3

Forward Citations = 26(Granted Patents)

Company Filing History:

17 out of 11,796

Electronics and Telecommunications Research Institute

patents

Years Active: 2009-2018

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Areas of Expertise:

Patch Antenna

Field Effect Transistor

Feedback Amplifier

Power Semiconductor Device

High Electron Mobility Transistor

Nitride Electronic Device

Wafer Level Packaging

Automatic Gain Control

Manufacturing Method

Component Package

Transistor Fabrication

Radio Frequency Device

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9977071 - Test device for testing plurality of samples and operating method thereof (2018-05-22),

2. 9837719 - Patch antenna (2017-12-05),

3. 9780176 - High reliability field effect power device and manufacturing method thereof (2017-10-03),

4. 9634112 - Field effect transistor and method of fabricating the same (2017-04-25),

5. 9537458 - Feedback amplifier (2017-01-03),

6. 9438199 - Component package including matching circuit and matching method thereof (2016-09-06),

7. 9224830 - Transistor and method of fabricating the same (2015-12-29),

8. 9209266 - High electron mobility transistor and manufacturing method thereof (2015-12-08),

9. 9178474 - Feedback amplifier (2015-11-03),

10. 9012920 - Wafer level packaged GaN power semiconductor device and the manufacturing method thereof (2015-04-21),

11. 8937002 - Nitride electronic device and method for manufacturing the same (2015-01-20),

12. 8901608 - Transistor and method of fabricating the same (2014-12-02),

13. 8841969 - Automatic gain control feedback amplifier (2014-09-23),

14. 8772833 - Power semiconductor device and fabrication method thereof (2014-07-08),

15. 8723222 - Nitride electronic device and method for manufacturing the same (2014-05-13),

Title: Innovations of Chull Won Ju

Introduction

Chull Won Ju is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of electronics and telecommunications, holding a total of 17 patents. His work focuses on developing advanced testing devices and antenna technologies that enhance communication systems.

Latest Patents

One of his latest patents is a test device for testing a plurality of samples and its operating method. This innovative device includes a testing unit connected with a measurement line, which applies bias and measures the line. It features multiple switching units that connect the measurement line to various samples, allowing for sequential testing. The control unit determines if a sample has defects based on measurements taken during the testing process. Another notable patent is for a patch antenna, which consists of a multilayered substrate with dielectric layers and metal patterns. This antenna design includes a ground layer, connection via patterns, and an impedance transformer, optimizing its performance in communication applications.

Career Highlights

Chull Won Ju is affiliated with the Electronics and Telecommunications Research Institute, where he continues to innovate and develop new technologies. His expertise in electronics has positioned him as a key figure in advancing telecommunications solutions.

Collaborations

He has collaborated with notable coworkers, including Dong Min Kang and Jong-Won Lim, contributing to various projects that enhance the capabilities of electronic devices.

Conclusion

Chull Won Ju's contributions to the field of electronics and telecommunications through his patents and collaborative efforts highlight his role as an influential inventor. His work continues to shape the future of communication technologies.

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]

7 patents pending: