This inventor holds 5 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 4 EPO patents. Top assignees: Sekisui Chemical Co., Ltd., Keio University, Nippon Shinyaku Company, Ltd.. Active years: 1989-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
4 out of 882 
3 out of 361 
1 out of 229 Years Active: 1989-2015
Title: Hirotsugu Yoshida: Innovator in Extrusion Technology
Introduction
Hirotsugu Yoshida is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of extrusion technology, holding a total of 5 patents. His work focuses on enhancing the efficiency and effectiveness of manufacturing processes, particularly in the production of optical transmission bodies and thermoplastic materials.
Latest Patents
Yoshida's latest patents include an extrusion material supply device and a method for manufacturing an optical transmission body. The extrusion material supply device is designed for melt extrusion molding, ensuring minimal deterioration of optical signal transmission loss while maximizing productivity. This device features a vertical hopper with a cooling unit and a heat melting unit, which work in tandem to supply molten plastics to a metal die. Additionally, he has developed a process for producing an oriented thermoplastic polyester resin sheet, which boasts excellent tensile strength and heat resistance, along with a laminate-molded body that enhances durability and ease of handling.
Career Highlights
Throughout his career, Yoshida has worked with notable organizations such as Sekisui Chemical Co., Ltd. and Keio University. His experience in these institutions has allowed him to refine his expertise in material science and engineering, contributing to his innovative inventions.
Collaborations
Yoshida has collaborated with esteemed colleagues, including Tazuru Okamoto and Yasuhiro Koike. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field of extrusion.
Conclusion
Hirotsugu Yoshida's contributions to extrusion technology and material science have positioned him as a key figure in innovation. His patents reflect a commitment to improving manufacturing processes and enhancing product quality. His work continues to influence the industry and inspire future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile