Atsushi Sumioka

Title: Atsushi Sumioka: Innovator in Surface Acoustic Wave Technology

Introduction

Atsushi Sumioka is an accomplished inventor based in Kokubunji, Japan, known for his significant contributions to the field of surface acoustic wave devices. With a prolific portfolio of 11 patents, Sumioka's research and innovations have played a crucial role in advanced electronics and communication technologies.

Latest Patents

Among Sumioka's latest patents are groundbreaking inventions related to surface acoustic wave devices. One notable patent describes a surface acoustic wave resonator designed with an interdigital transducer on a piezoelectric substrate. This innovation incorporates an apodization technique based on the cross lengths of electrode fingers and optimizes configurations to minimize spurious responses from non-harmonic higher-order modes. Another patent focuses on refining the device's design to enhance its performance by strategically positioning reflector electrode fingers and excitation-area electrode fingers to improve wave propagation.

Career Highlights

Sumioka has built an impressive career, having worked with renowned companies such as Hitachi, Ltd. and Hitachi Denshi Kabushiki Kaisha. His tenure at these leading firms has allowed him to hone his skills and contribute to major advancements in surface acoustic wave technology.

Collaborations

Throughout his career, Sumioka has collaborated with talented professionals, including Mitsutaka Hikita and Toyoji Tabuchi. These partnerships have fostered a creative environment that has led to several innovative solutions in the field of acoustic wave devices.

Conclusion

Atsushi Sumioka's dedication to innovation and his expertise in surface acoustic wave technology have made him a prominent figure in the field. His work continues to influence advancements in electronics, showcasing the importance of inventors in driving technological progress.