This inventor holds 1 USPTO granted patent. Top assignee: Sanyo Electric Co., Ltd.. Active years: 2006.
Company Filing History:
Years Active: 2006
Title: Shigetoshi Doi - Innovator in Refrigerant Cycle Systems
Introduction
Shigetoshi Doi is a notable inventor based in Gunma, Japan. He has made significant contributions to the field of refrigerant cycle systems, particularly with his innovative approach to improving heat exchange capabilities.
Latest Patents
Doi holds a patent for a Supercritical Refrigerant Cycle System. The objective of this invention is to enhance the heat exchanging capability in an evaporator within a refrigerant cycle system that operates at supercritical pressure. The system includes a compressor, a gas cooler, an expansion valve, and an evaporator connected in a cyclic form. The expansion valve's degree of opening is adjusted based on the temperature and pressure of the refrigerant at the evaporator's outlet, allowing for better control of the superheat degree.
Career Highlights
Shigetoshi Doi is associated with Sanyo Electric Co., Ltd., where he has been instrumental in developing advanced refrigerant technologies. His work has led to improved efficiency in refrigeration systems, which is crucial for various applications in the industry.
Collaborations
Doi has collaborated with notable colleagues, including Mitsuhiko Ishino and Eiji Fukuda. Their combined expertise has contributed to the success of their projects and innovations in the field.
Conclusion
Shigetoshi Doi's contributions to refrigerant cycle systems exemplify the importance of innovation in enhancing energy efficiency. His patent for the Supercritical Refrigerant Cycle System showcases his commitment to advancing technology in this critical area.