Company Filing History:
Years Active: 1989
Title: Kiyoshi Fuji: Innovator in Air-Conditioning Technology
Introduction
Kiyoshi Fuji is a notable inventor based in Tochigi, Japan. He has made significant contributions to the field of air-conditioning technology. His innovative approach has led to the development of a unique method and apparatus for controlling air-conditioning systems.
Latest Patents
Kiyoshi Fuji holds a patent for a "Method and apparatus for controlling air-conditioning apparatus." This invention involves a system that drives a compressor motor from a DC power source through an inverter. The method detects the present current value of the DC input to the inverter. When the detected current value exceeds a specified limit, the rotation speed of the compressor motor is decreased by a predetermined value. The current limit is designed to change linearly in relation to the rotation speed of the compressor motor.
Career Highlights
Kiyoshi Fuji is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to focus on advancements in air-conditioning systems, contributing to energy efficiency and improved performance.
Collaborations
Kiyoshi has collaborated with notable colleagues such as Yasutsugu Kawaguchi and Takeshi Mitsuta. Their teamwork has fostered an environment of innovation and creativity within the company.
Conclusion
Kiyoshi Fuji's contributions to air-conditioning technology exemplify the impact of innovative thinking in engineering. His patent reflects a commitment to enhancing energy efficiency in modern systems.