This inventor holds 2 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignee: Lg Chem, Ltd. Active years: 2012-2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2012-2014
Title: Innovations of Hyun-Chul Ha
Introduction
Hyun-Chul Ha is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of materials science, particularly in the development of advanced polishing materials. With a total of 2 patents to his name, his work has garnered attention for its practical applications in various industries.
Latest Patents
One of his latest patents is focused on crystalline cerium oxide and its preparation method. This invention relates to crystalline cerium oxide that can be prepared in a simple, economical, and efficient manner. The crystal structure, shape, and size of the cerium oxide can be easily adjusted, and it exhibits excellent polishing properties. The preparation method allows for the creation of sub-micron crystalline cerium oxide with a mean volume diameter and a diameter standard deviation within a predetermined range.
Another significant patent involves a CMP slurry composition for forming metal wiring lines. This CMP slurry includes a pyridine-based compound with at least two pyridinyl groups, which minimizes the occurrence of dishing and erosion of a wiring line. These innovations highlight his expertise in developing materials that enhance manufacturing processes.
Career Highlights
Hyun-Chul Ha is currently associated with LG Chem, Ltd., a leading chemical company known for its innovative products and solutions. His work at LG Chem has allowed him to contribute to advancements in material science and engineering.
Collaborations
Throughout his career, he has collaborated with notable colleagues, including Seung-Beom Cho and Dong-Mok Shin. These collaborations have further enriched his research and development efforts, leading to impactful innovations.
Conclusion
Hyun-Chul Ha's contributions to the field of materials science, particularly through his patents on crystalline cerium oxide and CMP slurry compositions, demonstrate his commitment to innovation. His work continues to influence the industry and pave the way for future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile