Takaharu Hutamura

Title: Takaharu Hutamura: Innovator in Power Supply Circuits

Introduction

Takaharu Hutamura is a notable inventor based in Anjo, Japan. He has made significant contributions to the field of power supply circuits, holding 2 patents that showcase his innovative approach to electrical engineering.

Latest Patents

One of his latest patents is a power supply circuit with control of rise characteristics of output voltage. In this design, a main transistor transmits power from an input terminal to an output terminal. The circuit is controlled to ensure that a detected voltage from the input matches a reference voltage indicating a target voltage. The output current is monitored, and a limited value of the output current is set to increase gradually as the output voltage approaches the target voltage. This configuration effectively suppresses overshoot of the output voltage through a controlled rise of the limited value. Additionally, a delay control circuit can be included to mitigate the influence of ringing components in the input voltage.

Another significant patent is a reduced current and power consumption structure of a drive circuit. This drive circuit is designed to operate a switching element and includes a high-side switching circuit connected between power supply lines and a low-side switching circuit in series with the high-side circuit. A voltage detector monitors the voltage at the output terminal. When the detected voltage falls below a specified off-decision voltage, the low-side switching circuit is turned off, thereby reducing current consumption.

Career Highlights

Takaharu Hutamura is currently employed at Denso Corporation, a leading company in the automotive industry. His work focuses on developing advanced power supply solutions that enhance efficiency and performance in electronic systems.

Collaborations

He has collaborated with notable coworkers, including Nobuyoshi Osamura and Hiroyuki Ban, contributing to various innovative projects within the company.

Conclusion

Takaharu Hutamura's contributions to power supply circuits reflect his expertise and commitment to innovation. His patents demonstrate a forward-thinking approach that addresses critical challenges in electrical engineering.