This inventor holds 2 USPTO granted patents. Top assignees: K-Cera, Inc., Korea Electronics Technology Institute. Active years: 2000-2004.
Company Filing History:
Years Active: 2000-2004
Title: Innovations of Dong-Seok Chang
Introduction
Dong-Seok Chang is a notable inventor based in Kyungki-do, South Korea. He has made significant contributions to the field of antenna technology, holding a total of 2 patents. His work focuses on innovative methods and apparatuses for manufacturing antennas that cater to various frequency bands.
Latest Patents
One of his latest patents is the "Helical antenna manufacturing apparatus and method thereof." This invention discloses a method for manufacturing helical antennas using a controller that manages the rotation of a core and a roller. The core and roller are rotated in opposite directions, allowing a paste to be printed on the core's surface, forming a helical line. The pitches of the helical line can be adjusted based on the core's longitudinal movement speed, which in turn affects the antenna's working frequency bands.
Another significant patent is the "Ceramic chip antenna." This invention presents a compact ceramic chip antenna that can utilize multiple frequency bands. It consists of a dielectric chip base with spirally wound main conductors and sub conductors. The design allows for efficient signal application through feeding terminals that connect to the outside surface of the dielectric base.
Career Highlights
Dong-Seok Chang has worked with prominent organizations such as the Korea Electronics Technology Institute and K-Cera, Inc. His experience in these institutions has contributed to his expertise in antenna technology and innovation.
Collaborations
Throughout his career, he has collaborated with notable colleagues, including Ki-Duk Koo and Jae-Suk Sung. These partnerships have likely enhanced his research and development efforts in the field of antenna technology.
Conclusion
Dong-Seok Chang's contributions to antenna technology through his innovative patents demonstrate his expertise and commitment to advancing the field. His work continues to influence the development of efficient and versatile antenna systems.