Shusei Ohya

Title: Shusei Ohya: Innovator in Porous Film Technology

Introduction

Shusei Ohya is a notable inventor based in Yamaguchi, Japan. He has made significant contributions to the field of polymer technology, particularly in the development of porous films. With a total of 2 patents to his name, his work has implications in various industrial applications.

Latest Patents

Ohya's latest patents include a porous polyether sulfone film and a production method for it. This invention features a porous polyether sulfone film that possesses macrovoids and excellent dimensional stability. The film consists of a surface layer (a), a surface layer (b), and a macrovoid layer situated between them. The macrovoid layer is characterized by partition walls that connect to the surface layers, creating a structure with multiple macrovoids. Additionally, the surface layers have pores that are linked to these macrovoids. Another significant patent is for a porous polyimide film production method, which involves a two-step process. The first step includes casting a poly(amic acid) solution and immersing it in a coagulating solvent, while the second step involves heat treatment and imidization of the porous film. This method effectively suppresses shrinkage during heat treatment.

Career Highlights

Throughout his career, Shusei Ohya has worked with prominent companies such as Ube Industries, Inc. and Ube Corporation. His experience in these organizations has allowed him to refine his expertise in polymer science and film technology.

Collaborations

Ohya has collaborated with notable colleagues, including Makoto Matsuo and Keita Bamba. These partnerships have contributed to the advancement of his research and innovations in the field.

Conclusion

Shusei Ohya's contributions to the development of porous films highlight his innovative spirit and technical expertise. His patents reflect a commitment to advancing polymer technology, making a lasting impact in the industry.