Hirotaka Koyama

Title: Hirotaka Koyama: Innovator in Power Supply Control Technologies

Introduction

Hirotaka Koyama is a notable inventor based in Sagamihara, Japan. He has made significant contributions to the field of power supply control, holding a total of 3 patents. His work primarily focuses on enhancing the efficiency and reliability of power systems, particularly in hybrid vehicles.

Latest Patents

Koyama's latest patents include a "Power Supply Control Method and Power Supply Control Device." This innovative device features a high-power battery, a low-power battery, a relay for electrical connection, a power supply switch, and a controller that manages the relay's on/off state. The controller is designed to respond to specific signals, ensuring optimal power management between the batteries. Another significant patent is the "Control Device for Hybrid Vehicle," which is aimed at regulating the operation of hybrid vehicles. This device includes an abnormality judging section that detects engine issues and an assist prohibition section that prevents the motor generator from being used as a power source during such abnormalities.

Career Highlights

Hirotaka Koyama is currently employed at Nissan Motor Company Limited, where he applies his expertise in power supply technologies. His work at Nissan has allowed him to contribute to advancements in hybrid vehicle systems, enhancing their performance and safety.

Collaborations

Koyama has collaborated with notable colleagues, including Takeo Aizawa and Kakuzou Kaneko. These partnerships have fostered innovation and development in their respective fields.

Conclusion

Hirotaka Koyama's contributions to power supply control technologies have made a significant impact in the automotive industry. His innovative patents and work at Nissan Motor Company Limited highlight his role as a key inventor in this field.