Kohji Norimatsu

Title: Kohji Norimatsu: Innovator in Magnetic Recording Technology

Introduction

Kohji Norimatsu is a prominent inventor based in Fukuchiyama, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 2 patents. His work focuses on enhancing the durability and performance of magnetic recording media.

Latest Patents

Norimatsu's latest patents include innovative designs for magnetic recording discs. The first patent describes a magnetic recording disc that features a non-magnetic support and a magnetic layer. This magnetic layer is composed of magnetic powder, a resinous binder, polishing particles, and a lubricating agent. Notably, the polishing particles possess a Mohs' scale hardness of not less than 7 and an average particle size that is proportionate to the thickness of the magnetic layer. The lubricating agent used is a fatty acid ester with a low melting point, enhancing the disc's performance.

The second patent also pertains to a magnetic recording disc, emphasizing its high durability and low starting torque during rotation. This design incorporates a magnetic layer that includes a specific ester of an unsaturated fatty acid and a fatty acid ester, ensuring optimal performance. The combined weight of these components is carefully balanced to achieve the desired characteristics.

Career Highlights

Kohji Norimatsu is currently associated with Hitachi Maxell, Limited, where he continues to innovate in the field of magnetic recording technology. His expertise and dedication have positioned him as a key figure in the development of advanced recording media.

Collaborations

Norimatsu has collaborated with notable colleagues, including Masaya Funahashi and Kenichi Inoue. Their combined efforts have contributed to the advancement of magnetic recording technologies.

Conclusion

Kohji Norimatsu's contributions to magnetic recording technology are noteworthy, with his patents reflecting a commitment to innovation and quality. His work continues to influence the industry, showcasing the importance of research and development in creating advanced recording solutions.