Location History:
- Kariya, JP (1995 - 1997)
- Anjo, JP (1997 - 2017)
Company Filing History:
7 out of 19,733 
6 out of 3,252 
1 out of 36,653 
Years Active: 1995-2017
Title: Keiichi Yoshii: Innovator in Heat Pump Technology
Introduction
Keiichi Yoshii is a prominent inventor based in Anjo, Japan, known for his significant contributions to the field of heat pump technology. With a total of 14 patents to his name, Yoshii has developed innovative solutions that enhance the efficiency and functionality of heat pump systems.
Latest Patents
Yoshii's latest patents include advancements in integration valves and heat pump cycles. The integration valve features a body that contains a vapor-liquid separating space, which includes a fixed throttle decompressing liquid-phase refrigerant. This design incorporates a liquid-phase refrigerant side valve body member that opens or closes a liquid-phase refrigerant passage, as well as a vapor-phase refrigerant side valve body member that manages the vapor-phase refrigerant passage. The vapor-phase refrigerant side valve body member operates based on a pressure difference, allowing for a simplified cycle configuration in heat pump systems. Additionally, the integration valve utilizes a stepping motor to control the movement of the valve member, further streamlining the gas injection cycle.
Career Highlights
Throughout his career, Keiichi Yoshii has worked with notable companies such as Denso Corporation and Nippondenso Co., Ltd. His experience in these organizations has allowed him to refine his expertise in developing innovative technologies that address the challenges in heat pump systems.
Collaborations
Yoshii has collaborated with talented individuals in the field, including Masahiro Shimoya and Toshiya Nagasawa. These partnerships have contributed to the advancement of his inventions and the overall progress in heat pump technology.
Conclusion
Keiichi Yoshii's work in the field of heat pump technology showcases his innovative spirit and dedication to improving energy efficiency. His patents reflect a commitment to advancing the industry and providing practical solutions for modern heating and cooling systems.