Kazuya Hashimoto

Title: Kazuya Hashimoto: Innovator in Magnetic Recording Technology

Introduction

Kazuya Hashimoto is a prominent inventor based in Miyagi, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of nine patents. His innovative work has advanced the performance and efficiency of magnetic recording media.

Latest Patents

Among his latest patents is a magnetic recording medium that includes a support body, a base layer containing carbon particle powder and metal-containing particle powder, and a recording layer. This invention specifies that in a recording surface, a maximum indentation depth h is between 85 and 140, and a ratio d of permanent strain to elastic recovery is between 0.95 and 1.25. Another notable patent is a tape-shaped magnetic recording medium designed to exhibit good traveling performance during use. This medium consists of a substrate primarily made of polyester, a base layer with an average thickness of 0.9 µm or less, and a magnetic layer that includes a lubricant. The magnetic layer features a surface with numerous holes, an arithmetic average roughness Ra of 2.5 nm or less, and a BET specific surface area of 3.5 m/g or more when dried. The squareness ratio in the perpendicular direction is 65% or more, and the average thickness of the magnetic layer is 90 nm or less.

Career Highlights

Kazuya Hashimoto has worked with notable companies such as Sony Corporation and Sony Group Corporation. His experience in these leading organizations has allowed him to refine his skills and contribute to groundbreaking advancements in magnetic recording technology.

Collaborations

Some of his coworkers include Minoru Yamaga and Eiji Nakashio, who have collaborated with him on various projects throughout his career.

Conclusion

Kazuya Hashimoto's innovative work in magnetic recording technology has led to significant advancements in the field. His contributions continue to influence the development of high-performance recording media.