Yoshihiko Shibata

Title: Innovations of Yoshihiko Shibata

Introduction

Yoshihiko Shibata is a notable inventor based in Fuji, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 7 patents. His work focuses on advanced materials and devices that enhance the performance of electronic systems.

Latest Patents

Shibata's latest patents include a compound semiconductor multilayer structure and a hall device manufacturing method. The hall device is designed to enable stable provision of a quantum well compound semiconductor stacked structure. It features first and second compound semiconductor layers composed of antimony (Sb) and at least two of the five elements: aluminum (Al), gallium (Ga), indium (In), arsenic (As), and phosphorus (P). The active layer is made of InGaAsSb, with specific compositional ranges. Compared to the active layer, the first and second compound semiconductor layers have a wider band gap and a resistance value five times or more greater. The lattice constant differences between the active layer and the compound semiconductor layers are carefully designed, and the thickness of the active layer is optimized for performance.

Another significant patent involves a surface acoustic wave functional wave. This element includes a lithium niobate-tantalate (LiNb,Ta,O) film on a sapphire substrate, where a Love wave is propagated as a surface acoustic wave. The design ensures that the crystal axes of the sapphire substrate and the LiNb,Ta,O film are aligned, allowing for precise control of the surface acoustic wave propagation direction.

Career Highlights

Throughout his career, Yoshihiko Shibata has worked with various companies, including Asahi Kasei Corporation. His innovative work has positioned him as a key figure in the semiconductor industry, contributing to advancements that have practical applications in electronics.

Collaborations

Shibata has collaborated with notable colleagues such as Naohiro Kuze and Kazuhiko Yamanouchi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Yoshihiko Shibata's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in electronic devices and materials.