Hisako Takei

Title: Hisako Takei: Innovator in Magnetic Head Technology

Introduction

Hisako Takei is a prominent inventor based in Kanagawa-ken, Japan. She has made significant contributions to the field of magnetic head technology, holding a total of 4 patents. Her work focuses on enhancing the performance and efficiency of magnetic sensors.

Latest Patents

Among her latest patents is a groundbreaking invention titled "Magnetic head and method for fabricating the same." This invention provides a sensor designed to produce high output with a small track width. The embodiment includes forming a magnetoresistive sensor of a read head that is substantially vertical in its upper portion and gently upwardly convexly curved in its lower portion. Another notable patent is the "Method for manufacturing a magnetic head," which effectively suppresses thermal protrusion. This method incorporates materials such as SiO, Si nitride, or Si oxide as a coil insulator, which have a low coefficient of thermal expansion and high workability. The coil insulator is strategically positioned away from the air bearing surface, which is made of alumina, facilitating easier slider processing.

Career Highlights

Hisako Takei is currently employed at Hitachi Global Storage Technologies Netherlands B.V. Her role at this esteemed company allows her to further her research and development in magnetic head technology.

Collaborations

Throughout her career, she has collaborated with notable colleagues, including Nobuo Yoshida and Taku Shintani. These collaborations have contributed to her innovative work and advancements in the field.

Conclusion

Hisako Takei's contributions to magnetic head technology exemplify her dedication to innovation and excellence. Her patents reflect her expertise and commitment to advancing the industry.