Noriaki Ishimatsu

Title: Noriaki Ishimatsu: Innovator in Magnetic Disk Technology

Introduction

Noriaki Ishimatsu is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of magnetic disk technology, holding a total of 3 patents. His innovative work focuses on improving the performance and reliability of magnetic disk drives.

Latest Patents

One of Ishimatsu's latest patents is an actuator assembly designed for reducing thermal off-track. This invention features a housing assembly for magnetic head supporting arms, which includes a cylindrically shaped through-hole with two bearings at each end. The housing is integrally formed with supporting arms for magnetic heads and incorporates a collar made from a material that matches the linear expansion coefficient of the bearings. This design helps suppress thermal strain in the head supporting arms, ensuring that temperature variations do not adversely affect device performance.

Another notable patent is a magnetic head arm that includes a thermal compensation member for correcting tracking errors. This magnetic head is utilized in magnetic disk drives and features an arm that is partly made from a material with a different coefficient of thermal expansion. This innovative approach allows for effective correction of tracking errors caused by thermal expansion, even in varying ambient temperatures.

Career Highlights

Noriaki Ishimatsu is currently employed at NEC Corporation, where he continues to develop cutting-edge technologies in the field of magnetic disk drives. His work has been instrumental in advancing the capabilities of these devices, making them more efficient and reliable.

Collaborations

Throughout his career, Ishimatsu has collaborated with notable colleagues, including Yotaro Sanada and Makoto Watanabe. These partnerships have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Noriaki Ishimatsu is a distinguished inventor whose work in magnetic disk technology has led to significant advancements in the industry. His patents reflect a commitment to improving device performance and reliability, making him a key figure in the field.