Company Filing History:
1 out of 1 
1 out of 7 Years Active: 1993
Title: Tamotsu Ishikawa: Innovator in Heat Pump Technology
Introduction
Tamotsu Ishikawa is a notable inventor based in Kyoto Prefecture, Japan. He has made significant contributions to the field of heat pump technology. His innovative approach has led to the development of a unique method for operating heat pumps, which enhances their efficiency and effectiveness.
Latest Patents
Ishikawa holds a patent for a method of operating a heat pump. This method involves a circuit for the circulation of a refrigerant, which includes a compressor, a once-through path, a complete counterflow type condenser, an expansion valve, and a low-temperature heat output means. The innovation focuses on selecting a supercool degree that meets specific temperature effectiveness criteria, allowing for the discharge of boiling water or other high-temperature fluids with a significant temperature difference. He has 1 patent to his name.
Career Highlights
Throughout his career, Ishikawa has worked with various organizations, including the Osaka Prefecture Government and Nishiyodo Air Conditioner Co., Ltd. His experience in these roles has contributed to his expertise in heat pump technology and its applications.
Collaborations
Ishikawa has collaborated with notable individuals in his field, including Toshimasa Irie and Tohru Isoda. These collaborations have further enriched his work and contributed to advancements in heat pump technology.
Conclusion
Tamotsu Ishikawa's contributions to heat pump technology demonstrate his innovative spirit and dedication to improving energy efficiency. His patent and career achievements reflect his significant impact on the industry.