Kiyoshi Ishihara

Title: Kiyoshi Ishihara: Innovator in Magnetic Recording Technology

Introduction

Kiyoshi Ishihara is a notable inventor based in Yokohama, Japan. He is recognized for his contributions to the field of magnetic recording technology. His innovative work has led to the development of a patent that enhances the efficiency of magnetic heads used in high-density recording.

Latest Patents

Ishihara holds a patent for a magnetic head designed to effect high-density magnetic recording. The invention features a magnetic head with a pair of core halves, each combined through a magnetic gap. Each core half consists of a core base with slanted side surfaces opposing the magnetic gap, along with a magnetic thin layer formed on the surfaces. This layer is made of magnetic material with high saturation magnetic flux density. The design ensures that the minimum value of the sum of products of vertical cross-sectional areas of the respective magnetic paths exceeds the product of the area of the magnetic gap and the saturation magnetic flux density of the magnetic thin layer.

Career Highlights

Throughout his career, Kiyoshi Ishihara has worked with prominent companies such as Hitachi Maxell, Limited and Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute significantly to advancements in magnetic technology.

Collaborations

Ishihara has collaborated with notable colleagues, including Osamu Inagoya and Hideo Fujiwara. These partnerships have played a crucial role in the development of his innovative ideas and patents.

Conclusion

Kiyoshi Ishihara's contributions to magnetic recording technology exemplify the impact of innovation in the field. His patent reflects a significant advancement that enhances the capabilities of magnetic heads, showcasing his expertise and dedication to technological progress.