Tetsutaro Hashimura

Title: Tetsutaro Hashimura: Innovator in Photographic Materials

Introduction

Tetsutaro Hashimura is a notable inventor based in Hohfu, Japan. He has made significant contributions to the field of photographic materials, holding a total of four patents. His work focuses on enhancing the quality and performance of photographic supports through innovative materials.

Latest Patents

One of Hashimura's latest patents is for a polyester layer support for photographic material. This invention discloses a film made of polyester, which exhibits a degree of roll set curl of not higher than 135 m^-1 after heat treatment, and a recovery curl of not higher than 45 m^-1 after hot water bath treatment. Another significant patent is for a photographic support comprised of at least two polyester layers. This support includes a first layer containing a first polyester and a second layer with a second polyester adjacent to it. The first polyester is formulated from a polyalkylene glycol and an aromatic dicarboxylic acid with a metal sulfonate group, ensuring that the difference in the second monomer unit content between the two polyesters is not more than 5.5 mol %.

Career Highlights

Tetsutaro Hashimura is associated with Konica Corporation, where he has been instrumental in developing advanced photographic materials. His innovative approach has led to improvements in the durability and functionality of photographic supports, making them more effective for various applications.

Collaborations

Hashimura has collaborated with notable colleagues such as Takatoshi Yajima and Kenji Nakanishi. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in the field of photography.

Conclusion

Tetsutaro Hashimura's contributions to photographic materials through his patents reflect his dedication to innovation. His work continues to influence the industry, enhancing the quality of photographic supports for future generations.