Yoshioki Okubo

Title: Yoshioki Okubo: Innovator in Photographic Material Technology

Introduction

Yoshioki Okubo is a notable inventor based in Hohfu, Japan. He has made significant contributions to the field of photographic materials, holding three patents that showcase his innovative spirit and technical expertise.

Latest Patents

Okubo's latest patents include a "Polyester layer support for photographic material," which discloses a film made of polyester. This film 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 "Support for photographic material," which describes a multilayer film where a layer of copolymerized polyester is laminated on at least one surface of a polyester layer. This copolymerized polyester contains an aromatic dicarboxylic acid with a metal sulfonate group as a copolymer component, comprising 2 to 7 mole % of all ester bond units, along with a polyalkylene glycol as a copolymer component, making up 3 to 10% by weight of the total polyester.

Career Highlights

Yoshioki Okubo is currently associated with Konica Corporation, where he continues to develop innovative solutions in photographic technology. His work has significantly impacted the industry, particularly in enhancing the quality and performance of photographic materials.

Collaborations

Okubo has collaborated with notable colleagues such as Takatoshi Yajima and Kenji Nakanishi, contributing to advancements in their shared field of expertise.

Conclusion

Yoshioki Okubo's contributions to photographic material technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of high-quality photographic products.