Makoto Hideshima

Title: Makoto Hideshima: Innovator in Power Semiconductor Technology

Introduction

Makoto Hideshima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of power semiconductor technology, holding a total of 9 patents. His work focuses on enhancing the efficiency and reliability of power transistors and semiconductor devices.

Latest Patents

One of Hideshima's latest patents is a power transistor overcurrent protection circuit. This innovative circuit is designed to generate a main current in response to a gate drive voltage produced by a gate circuit. It includes a current detection circuit that monitors the main current flowing through the power transistor, generating a detection voltage that corresponds to this current. When the detection voltage exceeds a prescribed value, a level detection circuit generates a control current to regulate the main current by adjusting the gate drive voltage. Additionally, a drive instruction control circuit ensures that the main current is brought to zero by controlling the gate drive voltage to an OFF condition based on the control current.

Another notable patent is for a module-type semiconductor device with high power capacity. This design features a unique arrangement where signal input terminals are positioned on the opposite side of current output terminals relative to current input terminals. This configuration minimizes the distance of connections in bridge connections, allowing for more efficient use of space and a reduction in commutating inductance.

Career Highlights

Throughout his career, Hideshima has worked with esteemed companies such as Toshiba Corporation and Tokyo Shibaura Electric Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.

Collaborations

Hideshima has collaborated with notable colleagues, including Tetsujiro Tsunoda and Wataru Takahashi. Their combined expertise has contributed to advancements in the field of power electronics.

Conclusion

Makoto Hideshima is a distinguished inventor whose work in power semiconductor technology has led to significant innovations. His patents reflect a commitment to improving the efficiency and safety of power transistors and semiconductor devices. His contributions continue to influence the industry and inspire future advancements.