Company Filing History:

13 out of 140

University of Seoul Industry Cooperation Foundation

patents

11 out of 7,574

Samsung Electro-mechanics Co., Ltd.

patents

1 out of 2,164

Korea Institute of Science and Technology

where one patent can have more than one assignee

Years Active: 2002-2018

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9923554 - Wireless power transmitter (2018-03-20),

2. 9843251 - Rectifier and method of controlling the same (2017-12-12),

3. 9780771 - Gate driving circuit including constant current sources, and switching apparatus and power supply apparatus having the same (2017-10-03),

4. 9755502 - Start-up circuit and power device using the same (2017-09-05),

5. 9270165 - Phase shift circuit and power factor correction circuit including the same (2016-02-23),

6. 9252655 - Phase shift circuit and power factor correction circuit including the same (2016-02-02),

7. 9225235 - Power factor correction circuit (2015-12-29),

8. 9066399 - Illumination driving apparatus for light emitting diode and method thereof (2015-06-23),

9. 9066395 - Power supply device and control circuit thereof (2015-06-23),

10. 8907719 - IC circuit (2014-12-09),

11. 8791677 - Power factor correction circuit for correcting power factor (2014-07-29),

12. 8779682 - Illumination driving apparatus (2014-07-15),

13. 8289091 - Relaxation oscillator (2012-10-16),

14. 6371451 - Scent diffusion apparatus and method (2002-04-16),

Title: Joong Ho Choi: Innovating Wireless Power and Rectifier Technology

Introduction:

Meet Joong Ho Choi, a prolific inventor hailing from Gyunggi-do, South Korea. With an impressive portfolio of 14 patents and a keen focus on wireless power transmission and rectifier technology, Choi has made significant contributions to advancing power-related innovations. In this article, we delve into his latest patents, career highlights, and notable collaborations.

Latest Patents:

One of Choi's recent patents, the wireless power transmitter, showcases his expertise in power amplification and resonance. This invention consists of an amplifier to amplify power, a resonator to resonate the amplified power, and a reference signal provider to change the frequency of the reference signal provided to the amplifier. With this patent, Choi has contributed to the development of wireless charging technologies.

Another significant patent by Choi is the rectifier and the method of controlling it. This invention highlights his proficiency in rectifying alternating current (AC) power into direct current (DC) power through a switching operation. The rectifier includes a rectifying circuit, a driver to apply a switching signal, and a signal modulator to adjust the selected parameter from the switching signal's parameters based on its frequency. This patent demonstrates Choi's innovative approach to optimizing rectification processes.

Career Highlights:

Throughout his career, Choi has worked with reputable organizations, including the University of Seoul Industry Cooperation Foundation and Samsung Electro-Mechanics Co. Ltd. In these roles, he has shown his commitment to advancing technological advancements in the field of power electronics.

Collaborations:

In his quest for innovation, Choi has collaborated with notable individuals, including his coworkers Yong Seong Roh and Jeong Mo Yang. Their collaborative efforts have not only resulted in successful projects but also brought forth new insights and shared expertise.

Conclusion:

With his expertise in wireless power transmission and rectifier technology, Joong Ho Choi has left an indelible mark on the innovation landscape. His 14 patents, including the wireless power transmitter and rectifier, are testament to his dedication to advancing power-related technologies. As we await more breakthroughs from Choi, his remarkable career and collaborations continue to inspire and enrich the field of inventions and patents.

Please note that for detailed information about Joong Ho Choi's patents, it is recommended to refer to the official patent databases and sources.

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