Hiroaki Sumiya

Title: Hiroaki Sumiya: Innovator in Power Supply Technology

Introduction

Hiroaki Sumiya is a notable inventor based in Kasugai, Japan. He has made significant contributions to the field of power supply technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of electronic devices through innovative power supply solutions.

Latest Patents

Sumiya's latest patents include a power supply device, control circuit, and an electronic device with a control method for power supply. This power supply device features a switch circuit that receives an input voltage, with a coil connected between the switch circuit and an output terminal. The device incorporates a voltage adding circuit that combines a slope voltage with a reference voltage. A control unit is designed to compare a feedback voltage, which corresponds to the output voltage, with the reference voltage. It switches the switch circuit based on the comparison results. Additionally, a slope adjustment circuit differentiates the current flowing through the coil and adjusts the slope amount accordingly.

Career Highlights

Throughout his career, Hiroaki Sumiya has worked with prominent companies in the semiconductor industry, including Cypress Semiconductor Corporation and Spansion LLC. His experience in these organizations has allowed him to develop and refine his innovative ideas in power supply technology.

Collaborations

Sumiya has collaborated with talented individuals such as Shinichiro Suga and Kenta Ido. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Hiroaki Sumiya is a distinguished inventor whose work in power supply technology has led to significant advancements in electronic devices. His innovative patents and collaborations highlight his commitment to improving efficiency in power supply systems.