Hee-Yong Lee

Title: Hee-Yong Lee: Innovator in Sustained Release Microspheres

Introduction

Hee-Yong Lee is an accomplished inventor based in Daejeon, South Korea, recognized for his significant contributions to the field of drug delivery systems. With a total of two patents to his name, he has developed innovative processes that enhance the efficacy and safety of pharmaceuticals through improved delivery mechanisms.

Latest Patents

Hee-Yong Lee's latest patents reflect his expertise in preparing microspheres for sustained drug release. One of his notable inventions is the process of preparing microspheres that exhibit improved dispersibility and syringeability. This patented process involves utilizing a biodegradable polymer as a carrier and a drug, employing spray drying techniques. The preparation sequence includes dissolving a biodegradable polymer, drug, and solvent into a solution, suspension, or emulsion, followed by spray drying to create microspheres. These microspheres have been designed to possess high drug encapsulation efficiency while minimizing toxicity due to residual solvents. The outcome is a delivery system that allows for the prolonged release of an effective drug concentration, making them ideal for medical treatments.

Another key patent introduced by Hee-Yong Lee is a controlled-release composition containing exendin, a vital active ingredient. This innovation includes a method for creating controlled-release microspheres, combining exendin with biodegradable polymers and coating materials to ensure high bioavailability. The resulting microspheres are engineered to release the drug at a controlled rate, avoiding excessive initial bursts and maintaining effective therapeutic concentrations over time.

Career Highlights

Throughout his career, Hee-Yong Lee has made noteworthy contributions while working with leading companies in the pharmaceutical industry, such as Peptron Co., Ltd. and Daewoong Pharmaceutical Co., Ltd. His work at these organizations has allowed him to play a pivotal role in advancing novel drug delivery technologies.

Collaborations

Hee-Yong Lee's collaborative spirit is evident in his partnerships with esteemed colleagues, including Eun-Young Seol and Mi-Jin Baek. Together with these talented professionals, he has worked to innovate solutions in the realm of controlled-release formulations.

Conclusion

Hee-Yong Lee stands as a prominent figure in pharmaceutical innovation, with patents that showcase his dedication to improving drug delivery systems. His contributions have the potential to significantly impact the treatment of various diseases by enhancing the effectiveness and safety of drug formulations.