Yasunari Hirano

Title: Yasunari Hirano: Innovator in Glass Substrate Manufacturing

Introduction

Yasunari Hirano is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of manufacturing methods for glass substrates used in magnetic disks. With a total of 2 patents, his work focuses on improving the quality and efficiency of glass substrate production.

Latest Patents

Hirano's latest patents revolve around innovative cleaning methods for glass substrates. One of his inventions involves a manufacturing method that effectively removes metallic contaminants from the glass substrate surfaces without increasing their roughness. This method includes a cleaning step that utilizes an alkaline aqueous solution containing gluconate, with a concentration between 0.05 wt % and 2 wt % and a pH level ranging from 9 to 11. Another patent describes a cleaning treatment that employs a cleaning liquid containing peroxodisulfate, with a pH between 2 and 4, to achieve similar results.

Career Highlights

Yasunari Hirano is currently associated with Hoya Corporation, a leading company in the optical and imaging industry. His work at Hoya has allowed him to focus on advancing technologies related to glass substrates, contributing to the company's reputation for innovation and quality.

Collaborations

Hirano has collaborated with several talented individuals in his field, including Takuhiro Hirakawa and Kouichi Tamoto. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Yasunari Hirano's contributions to the manufacturing of glass substrates for magnetic disks highlight his innovative spirit and dedication to improving industry standards. His patents reflect a commitment to enhancing the quality of materials used in technology, making him a significant figure in his field.