Junji Numazawa

Title: Junji Numazawa: Innovator in Magnetic Head Technology

Introduction

Junji Numazawa is a prominent inventor based in Tokyo, Japan, known for his significant contributions to magnetic head technology. With a total of six patents to his name, he has made remarkable advancements in the field of magnetic recording devices.

Latest Patents

One of his latest patents is a magnetic head device with a short auxiliary member. This innovative device enhances the sliding contact between its slider surface and magnetic tape during scanning. The design includes a base member, a thin-film magnetic head, and an auxiliary member that sandwiches a non-magnetic layer. This configuration allows for a thinner non-magnetic layer, reducing the space between the magnetic head device and the magnetic tape, thereby improving sliding contact. Another notable patent is for a magneto-resistive thin film magnetic head that prevents the entry of unnecessary magnetic flux while maintaining excellent reproduction characteristics. This device features a base, a first yoke, a magneto-resistive element, and a second yoke, forming a cut magnetic circuit that enhances performance.

Career Highlights

Throughout his career, Junji Numazawa has worked with notable companies such as Nippon Hoso Kyokai and Kabushiki Kaisha Sankyo Seiki Seisakusho. His work in these organizations has contributed to the development of advanced magnetic recording technologies.

Collaborations

He has collaborated with esteemed colleagues, including Naoto Hayashi and Kenji Machida, further enriching his innovative endeavors.

Conclusion

Junji Numazawa's contributions to magnetic head technology have significantly impacted the field of magnetic recording. His innovative patents and collaborations highlight his role as a leading inventor in this domain.