Hirokazu Tajima

Title: Hirokazu Tajima: Innovator in Polyester Film Technology

Introduction

Hirokazu Tajima is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of polyester film technology, holding a total of 5 patents. His work focuses on developing advanced materials that exhibit superior properties for various applications.

Latest Patents

Tajima's latest patents include an optically clear UV and hydrolysis resistant polyester film. This innovation describes biaxially oriented polyester films that incorporate a polyester polymer, a carbodiimide hydrolysis stabilizer, and a UV absorber. The films are characterized by a carboxyl end group concentration of 5-20 equivalents per ton and a haze value of 2% or less. They demonstrate exceptional transparency and stable light transmission characteristics. Additionally, he has developed a glass substrate for data recording mediums, along with a manufacturing method and a polishing pad used in the process. The polishing pad features a nap layer that includes an inner layer with closed cells and an outer layer with minute pores.

Career Highlights

Throughout his career, Tajima has worked with notable companies such as Hoya Corporation and Toray Plastics (America), Inc. His experience in these organizations has allowed him to refine his expertise in material science and engineering.

Collaborations

Tajima has collaborated with talented individuals in his field, including Tamaki Horisaka and Hiromi Nakano. These partnerships have contributed to the advancement of his innovative projects.

Conclusion

Hirokazu Tajima's contributions to polyester film technology highlight his role as a leading inventor in the industry. His patents reflect a commitment to innovation and excellence in material development.