Tohru Ogura

Title: Tohru Ogura: Innovator in Polyester Production

Introduction

Tohru Ogura is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of polyester. With a total of 4 patents to his name, Ogura's work has advanced the methods and apparatus used in polyester manufacturing.

Latest Patents

Ogura's latest patents include a method of producing polyester and a charging apparatus for the same. This invention provides a method capable of producing high-quality polyethylene naphthalate, which is usable for photographic purposes. The process involves subjecting an ester-forming derivative, consisting essentially of naphthalene dicarboxylic acid or its lower alkyl ester, along with a diol compound, to an ester exchange reaction or esterification. The recovered polyethylene naphthalate resin is charged before the effusion of alcohol or water, which are by-products of the reaction. Additionally, he has developed a polymerization method and apparatus that maintains the temperature of lubricating oil constant, measures torque, and calculates the viscosity of the reaction mixture to ensure optimal production conditions.

Career Highlights

Tohru Ogura is currently employed at Fuji Photo Film Company, Limited, where he continues to innovate in the field of polymer production. His work has been instrumental in enhancing the quality and efficiency of polyester manufacturing processes.

Collaborations

Ogura has collaborated with notable coworkers, including Fumiyuki Suzuki and Yukio Shirokura, contributing to a dynamic research environment that fosters innovation.

Conclusion

Tohru Ogura's contributions to polyester production through his innovative patents and collaborative efforts highlight his importance in the field of polymer chemistry. His work continues to influence the industry and pave the way for future advancements.