This inventor holds 7 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 3 EPO patents. Top assignees: Peptron Co., Ltd., Peptron, Inc., Daewoong Pharmaceutical Co., Ltd.. Active years: 2005-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Taejon, KR (2005 - 2006)
- Daejeon, KR (2008 - 2018)
Company Filing History:

Years Active: 2005-2018
Title: Ho-Il Choi: Innovator in Controlled-Release Drug Delivery Systems
Introduction
Ho-Il Choi is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of drug delivery systems, particularly in the development of controlled-release microspheres. With a total of seven patents to his name, Choi's work focuses on enhancing the efficacy and safety of drug administration.
Latest Patents
One of Choi's latest patents is a process for preparing microspheres for sustained release that have improved dispersibility and syringeability. This innovative process involves using a biodegradable polymer as a carrier along with a drug, utilizing spray drying techniques. The method ensures high drug encapsulation efficiency while minimizing toxicity issues related to residual solvents. The resulting microspheres are designed to release an effective concentration of the drug over a predetermined period, making them valuable for treating various diseases.
Another notable patent is for a controlled-release composition and microsphere for exendin, which is an active ingredient. This invention includes a biodegradable polymer and coating materials that enhance bioavailability and ensure sustained release without an excessive initial burst. The preparation method involves mixing the active ingredient with a polymer and solvent, followed by the formation of hardened microspheres that are then coated for improved performance.
Career Highlights
Choi has worked with notable companies such as Peptron Co., Ltd. and Peptron, Inc. His experience in these organizations has allowed him to refine his expertise in drug delivery technologies and contribute to advancements in the pharmaceutical industry.
Collaborations
Choi has collaborated with esteemed colleagues, including Seung-Gu Chang and Seong-Kyu Kim. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Ho-Il Choi is a distinguished inventor whose work in controlled-release drug delivery systems has the potential to significantly impact medical treatments. His innovative approaches and collaborations continue to advance the field, making him a key figure in pharmaceutical innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile