This inventor holds 3 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Sunwoo Communication Co., Ltd, Institute Information Technology Assessment, Posco Co., Ltd. Active years: 2005-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 2 
1 out of 2 
1 out of 255 Years Active: 2005-2023
Title: Jong-In Choi: Innovator in Steel and Antenna Technologies
Introduction
Jong-In Choi is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the fields of materials science and telecommunications. With a total of 3 patents, his work focuses on enhancing the performance and efficiency of various technologies.
Latest Patents
One of Jong-In Choi's latest patents is for a thick steel plate that exhibits excellent cryogenic impact toughness. This invention aims to eliminate the need for conventional normalizing treatments, ensuring that the steel maintains toughness in low-temperature and cryogenic environments. The properties of this steel are equal to or superior to those of traditional steel subjected to normalizing treatment.
Another notable patent involves a method and divider for dividing power for array antennas. This invention details a method for efficiently distributing power among the radiation elements of an array antenna. The division method includes splitting the power applied to a feeding unit into two parts, supplying a higher power to the central radiation element while distributing lower power to the peripheral elements.
Career Highlights
Jong-In Choi has worked with several reputable organizations throughout his career. He has been associated with Sunwoo Communication Co., Ltd, where he contributed to advancements in communication technologies. Additionally, he has worked at the Institute for Information Technology Assessment, further enhancing his expertise in technology assessment and innovation.
Collaborations
Some of his notable coworkers include Young-Jai Kim and Dae-Sung Kim. Their collaborative efforts have likely contributed to the success of Jong-In Choi's inventions and patents.
Conclusion
Jong-In Choi's innovative work in steel and antenna technologies showcases his commitment to advancing engineering solutions. His patents reflect a deep understanding of material properties and telecommunications, making him a valuable contributor to his fields.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile