Tsunehiko Ikarashi

Title: Tsunehiko Ikarashi: Innovator in Magnetic Recording Technology

Introduction

Tsunehiko Ikarashi is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 8 patents. His work has been instrumental in advancing the efficiency and effectiveness of magnetic recording mediums.

Latest Patents

One of Tsunehiko Ikarashi's latest patents is a lubricant composition and magnetic recording medium utilizing this composition. This innovative magnetic recording medium features a non-magnetic supporting substrate, with a magnetic layer on one surface and a back coat layer on the opposite surface. The back coat layer incorporates a non-magnetic powder, specifically carbon black and an inorganic powder, which enhances its performance. The carbon black used has an average primary particle diameter of 40 to 70 nm, while the inorganic powder ranges from 40 to 150 nm in diameter and possesses a Mohs hardness of at least 3. The binder for this medium consists of a phenoxy resin, a thermoplastic polyurethane resin with an amino group, and a polyisocyanate compound.

Career Highlights

Throughout his career, Tsunehiko Ikarashi has worked with prominent companies, including TDK Corporation. His expertise in magnetic recording technology has positioned him as a key figure in the industry, contributing to various advancements and innovations.

Collaborations

Tsunehiko Ikarashi has collaborated with several talented individuals, including Yasufumi Takasugi and Masahide Kohno. These collaborations have further enriched his work and have led to the development of cutting-edge technologies in magnetic recording.

Conclusion

Tsunehiko Ikarashi's contributions to magnetic recording technology are noteworthy and impactful. His innovative patents and collaborations highlight his dedication to advancing this field. His work continues to influence the industry and inspire future innovations.