This inventor holds 5 USPTO granted patents and 2 published patent applications and 4 EPO patents. Top assignee: Shin-Etsu Chemical Co., Ltd.. Active years: 2018-2023.
Location History:
- Niigata-ken, JP (2018)
- Joetsu, JP (2019 - 2021)
- Niigata, JP (2020 - 2023)
Company Filing History:
Years Active: 2018-2023
Title: Shogo Warashina: Innovator in Enteric Coating Technologies
Introduction
Shogo Warashina is a notable inventor based in Joetsu, Japan. He has made significant contributions to the field of pharmaceutical technology, particularly in the development of enteric coating compositions. With a total of 5 patents to his name, Warashina's work has advanced the methods of drug formulation and delivery.
Latest Patents
Warashina's latest patents include an enteric coating composition and a solid preparation method. His enteric coating composition boasts excellent film-forming properties, allowing for film formation at lower temperatures than conventional compositions. This innovation helps to prevent drug decomposition due to high temperatures and operational issues such as nozzle clogging. Specifically, his composition contains hypromellose acetate succinate with a molar substitution of hydroxypropoxy groups of 0.40 or more, combined with water. Additionally, he has developed a method for producing solid preparations that involves coating a drug-containing core with the enteric coating composition and subsequently drying the coating layer.
Another significant patent involves hypromellose acetate succinates (HPMCAS) used as a hot-melt extrusion carrier. This innovation features a volume average particle size ranging from 70 to 300, measured by dry laser diffraction, and a loose bulk density of 0.25 to 0.40 g/cm. The hot-melt extrusion composition comprises HPMCAS and a drug, with a method for producing a hot-melt extrudate that includes hot-melting the composition at a temperature equal to or higher than the melting temperature of HPMCAS.
Career Highlights
Shogo Warashina is currently employed at Shin-Etsu Chemical Co., Ltd., where he continues to innovate in the field of pharmaceutical formulations. His work has been instrumental in enhancing the efficiency and effectiveness of drug delivery systems.
Collaborations
Warashina collaborates with talented coworkers, including Fumie Kusaki and Sakae Obara, who contribute to the research and development efforts at Shin-Etsu Chemical Co., Ltd.
Conclusion
Shogo Warashina's contributions to enteric coating technologies and solid preparation methods have made a significant impact in the pharmaceutical industry. His innovative approaches continue to enhance drug formulation and delivery, showcasing his expertise and dedication to advancing medical science