This inventor holds 3 USPTO granted patents. Top assignees: Lg Electronics Inc., Sk Global Chemical Co., Ltd., Sk Innovation Co., Ltd.. Active years: 2010-2013.
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 51,889 
1 out of 81 
1 out of 740 
Years Active: 2010-2013
Title: Chang-il Lee: Innovator in Metallocene Catalysts and Portable Technology
Introduction
Chang-il Lee is a notable inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the fields of polymer chemistry and portable technology. With a total of 3 patents to his name, Lee's work showcases his innovative spirit and technical expertise.
Latest Patents
One of Chang-il Lee's latest patents is a supported metallocene catalyst composition and a process for the preparation of polyolefin using the same. This invention relates to a supported metallocene catalyst composition that is prepared by bringing a compound of a group IV transition metal into contact with an inorganic or organic porous carrier treated with an ionic compound. The advantages of this catalyst composition include increased catalyst activity during polymerization and improved solutions to process problems such as fouling and plugging.
Another significant invention by Lee is a slide type portable terminal. This device includes a main unit with separated first and second key sections, along with a display unit that features a display screen. The second plate of the terminal can slide with respect to the first plate, allowing for convenient use. The design incorporates magnets that provide a repulsive force, enhancing the functionality and reducing production costs and failure rates.
Career Highlights
Chang-il Lee has worked with prominent companies such as LG Electronics Inc. and SK Global Chemical Co., Ltd. His experience in these organizations has contributed to his development as an inventor and innovator in his field.
Collaborations
Some of his notable coworkers include Sang-Hyuk Im and Hyun-Ho Lee. Their collaboration has likely fostered an environment of innovation and creativity in their respective projects.
Conclusion
Chang-il Lee's contributions to metallocene catalysts and portable technology highlight his role as a significant inventor. His innovative patents reflect his commitment to advancing technology and improving processes in his field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile