Yutaka Yamamoto

Title: Yutaka Yamamoto: Innovator in Magnetic Head Actuators

Introduction

Yutaka Yamamoto is a prominent inventor based in Niigata-ken, Japan. He holds a total of 13 patents, showcasing his significant contributions to the field of technology, particularly in magnetic head actuators.

Latest Patents

One of his latest patents involves a magnetic head actuator that includes piezoelectric elements fixed to the arms of a fired glass-ceramic substrate. This innovative actuator features a head-holding substrate with a pair of movable arms designed to clamp a magnetic head. The piezoelectric elements are strategically placed along the arms to facilitate movement in response to an applied voltage. The substrate is composed of a fired glass-ceramic compact that contains at least one of SiO, BO, and AlO. The piezoelectric elements are formed on the substrate using a piezoelectric material through printing and low-temperature firing. Another notable patent pertains to garnet ferrite used for low-insertion-loss non-reciprocal circuits. This garnet ferrite contains iron in an amount lower than the stoichiometric value by 0.5% to 5%, which allows it to exhibit low insertion loss in high-frequency bands exceeding 5 MHz.

Career Highlights

Yutaka Yamamoto has worked with notable companies, including Alps Electric Co., Ltd. His career is marked by a commitment to advancing technology in the field of magnetic components and devices.

Collaborations

Throughout his career, Yamamoto has collaborated with esteemed colleagues such as Akihiro Makino and Takashi Hatanai. Their joint efforts have contributed to the development of innovative technologies in their respective fields.

Conclusion

Yutaka Yamamoto's work in the realm of magnetic head actuators and non-reciprocal circuits highlights his innovative spirit and dedication to technological advancement. His numerous patents reflect his significant impact on the industry and his ongoing contributions to engineering and technology.