Company Filing History:
Years Active: 2015-2025
Title: The Innovations of Sunao Yamazaki
Introduction
Sunao Yamazaki is a prominent inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of technology, particularly in the development of advanced filtering devices. With a total of five patents to his name, Yamazaki continues to push the boundaries of innovation.
Latest Patents
Yamazaki's latest patents include a ladder filter and a composite filter device. The ladder filter features series arm resonators, parallel arm resonators, and first and second inductors. The second ends of the parallel arm resonators are connected in common to each other and are linked to a ground potential. A first end of each of the first and second inductors is connected to a series arm, while the second ends are connected in common to each other and to the ground potential with a capacitor in between. Another notable patent is for a multiplexer, transmitting device, and receiving device. In this multiplexer, input or output terminals of four acoustic wave filters are connected to antenna terminals linked to an antenna connection terminal. The four acoustic wave filters include a first acoustic wave filter and a second acoustic wave filter, which is positioned farther from the antenna connection terminal than the first filter in a plan view of the substrate.
Career Highlights
Yamazaki is currently employed at Murata Manufacturing Co., Ltd., where he applies his expertise in developing innovative technologies. His work has significantly impacted the field of electronics and communication systems.
Collaborations
Throughout his career, Yamazaki has collaborated with notable colleagues, including Katsuhito Kuroda and Noriyoshi Ota. These collaborations have fostered a creative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Sunao Yamazaki is a distinguished inventor whose work in filtering technology has led to several important patents. His contributions continue to influence the industry and inspire future innovations.
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