Hirotaka Saruwatari

Title: Hirotaka Saruwatari: Innovator in Power Circuits

Introduction

Hirotaka Saruwatari is a distinguished inventor hailing from Sakai, Japan. With a remarkable portfolio of six patents, he has made significant contributions to the field of power circuit technologies, particularly in air conditioning systems. His innovative approaches have the potential to enhance the efficiency and reliability of these systems.

Latest Patents

Among his latest inventions, Saruwatari developed a power circuit and a computer-readable recording medium that stores a control program for power circuits. This cutting-edge technology is designed to ensure the reliable stopping of the inverter motor in air conditioners when abnormalities occur in the refrigeration cycle. The invention includes a rectifier circuit, a smoothing capacitor, a main relay, an inverter circuit, and a microcomputer equipped with various control units. This configuration prevents degradation and fusion of relay contacts during malfunctioning conditions.

Additionally, he introduced a power conversion apparatus that enhances output control of the inverter circuit. By utilizing both current and voltage sensors, this device allows for more precise regulation of power output, leading to improved operational efficiency compared to traditional power conversion systems.

Career Highlights

Hirotaka Saruwatari currently works at Daikin Industries, Ltd., where he has continued to push the boundaries of innovation in air conditioning technology. His work is pivotal in mitigating issues related to power conversion and system reliability, thereby contributing to the advancement of energy-efficient solutions in the industry.

Collaborations

Throughout his career, Saruwatari has collaborated with other talented professionals such as Hiroyuki Matsuura and Mario Hayashi. These partnerships have fostered an environment of innovation, allowing for the exchange of ideas and techniques that enhance the development of new technologies.

Conclusion

Hirotaka Saruwatari stands out as a key figure in the realm of power circuit inventions. His dedication to creating efficient and reliable systems has garnered him multiple patents and recognition in the industry. As technology continues to advance, Saruwatari's contributions will undoubtedly play a significant role in shaping the future of air conditioning systems and power management.