Seongnam, South Korea

Kyoung Joon Chang

This inventor holds 7 USPTO granted patents. Top assignees: Hyundai Motor Company, Kia Motors Corporation. Active years: 2010-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kyoung Joon Chang. Retrieved from https://idiyas.com/inventor/kyoung-joon-chang

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


% Patents Active = 14.3

Average Co-Inventor Count = 5.3

ph-index = 1

Forward Citations = 5(Granted Patents)


Location History:

  • Seoul, KR (2010)
  • Seongnam, KR (2010 - 2011)
  • Seongnam-si, KR (2012)

Company Filing History:


Years Active: 2010-2012

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7 patents (USPTO):Explore Patents

Title: Kyoung Joon Chang: Innovator in Valve Technology

Introduction

Kyoung Joon Chang is a prominent inventor based in Seongnam, South Korea. He has made significant contributions to the field of valve technology, holding a total of 7 patents. His innovative designs have the potential to enhance the performance and efficiency of various mechanical systems.

Latest Patents

Chang's latest patents include a "Continuously Variable Valve Lift Device and Operation Logic Thereof." This device features a vibration link that is eccentrically and rotatably coupled to a rotation shaft, along with a rocker arm and an advance lever that allows for the selection of advance or delay. Another notable patent is the "Continuous Variable Valve Lift Apparatus," which comprises an input cam, multiple shafts, and a control part that regulates the position of the second shaft to open and close a valve.

Career Highlights

Throughout his career, Kyoung Joon Chang has worked with leading automotive companies, including Hyundai Motor Company and Kia Motors Corporation. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in automotive technology.

Collaborations

Chang has collaborated with notable colleagues such as Young Hong Kwak and Jin Kook Kong. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in valve systems.

Conclusion

Kyoung Joon Chang's work in valve technology exemplifies the spirit of innovation. His patents and collaborations reflect a commitment to advancing engineering solutions that can significantly impact the automotive industry.

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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