Yasuhiro Itasaka is a prominent inventor based in Toyama, Japan. He has made significant contributions to the field of piezoelectric technology, holding a total of 5 patents. His innovative work focuses on enhancing the performance and manufacturing processes of piezoelectric resonators.

Latest Patents

Itasaka's latest patents include a method of manufacturing a piezoelectric resonator. This resonator is designed to vibrate in a square type vibration mode, minimizing variations in resonant frequency caused by the manufacturing process. The resonator features a piezoelectric substrate with a pair of main surfaces, electrodes on these surfaces, and grooves on one surface that divide at least one electrode into multiple divided electrodes. One of these divided electrodes serves as an input/output electrode. The design ensures that the maximum distance between the outer edges of two grooves, positioned opposite each other across the input/output electrode, is approximately 0.5 to 0.55 times the length of one side edge of the piezoelectric substrate.

Another notable patent involves a piezoelectric resonator utilizing bending vibrations. This design incorporates three or more electrode layers and two or more piezoelectric layers that are alternately laminated. At least two layers of the piezoelectric materials are polarized in the thickness direction. The resonator includes first and second end surface electrodes on the laminated piezoelectric layers, with the electrode layers interconnected. This configuration generates electric fields in directions that align with or oppose the polarization direction of the piezoelectric layers, enhancing the resonator's functionality.

Career Highlights

Yasuhiro Itasaka is currently employed at Murata Manufacturing Co., Ltd., a leading company in electronic components. His work at Murata has allowed him to focus on advancing piezoelectric technologies, contributing to the company's reputation for innovation in the electronics industry.

Collaborations

Itasaka collaborates with Hirohide Yoshino, a fellow innovator in the field. Their partnership has fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Yasuhiro Itasaka's contributions to piezoelectric technology exemplify his commitment to innovation and excellence. His patents reflect a deep understanding of the complexities involved in manufacturing and design, positioning him as a key figure in

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