Kuniyuki Matsui is a prominent inventor based in Hirakata, Japan. He holds a total of 12 patents that showcase his contributions to the field of surface acoustic wave devices. His innovative work has significantly advanced the technology used in various applications.

Latest Patents

One of Matsui's latest patents is a surface acoustic wave device that features a thin film formed on a substrate. This invention is designed to excite longitudinal wave-type surface acoustic waves, which enhances the electromechanical coupling coefficient while minimizing the temperature coefficient of delay time. For instance, in a device with an aluminum thin film on a lithium tantalate substrate, the propagation direction of the waves is defined within specific Eulerian angles, ensuring optimal performance. Another notable patent is for an integrated interdigital electrode surface acoustic wave filter. This filter comprises multiple functional units, each consisting of series and parallel arm resonators, which are constructed using interdigital transducers and grating reflectors on a piezoelectric substrate. The design allows for improved signal processing capabilities.

Career Highlights

Throughout his career, Matsui has worked with notable companies, including Sanyo Electric Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced acoustic wave technologies.

Collaborations

Matsui has collaborated with esteemed colleagues such as Yasumi Kobayashi and Kenichi Shibata. Their joint efforts have further propelled innovations in the field of surface acoustic wave devices.

Conclusion

Kuniyuki Matsui's contributions to surface acoustic wave technology have made a significant impact in the industry. His innovative patents and collaborations highlight his role as a leading inventor in this specialized field.

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