Location History:
- Oizumi, JP (1989)
- Gunma, JP (1991)
Company Filing History:
Years Active: 1989-1991
Title: Innovations by Yoshihisa Ishida
Introduction
Yoshihisa Ishida is a notable inventor based in Gunma, Japan. He has made significant contributions to the field of refrigeration technology. With a total of 2 patents to his name, his work has had a considerable impact on the industry.
Latest Patents
One of his latest patents is a defrosting controller for refrigeration systems. This innovative device determines the frost melting period by measuring the evaporator temperature during defrosting. It establishes a refrigerating operation rate, which is the ratio of the frost melting process to the total open period of an electronic motor-driven valve. This technology helps in deciding whether the next defrosting operation should be skipped or not. Another significant patent is for a refrigeration showcase. This showcase includes a display case, a machine case, and an air duct connecting the two. It features a display table for commodities, a cover member for visibility, and an air passage member for cold air supply and discharge.
Career Highlights
Yoshihisa Ishida is associated with Sanyo Electric Co., Ltd., where he has contributed to various innovative projects. His work has been instrumental in enhancing refrigeration systems and showcases.
Collaborations
He has collaborated with notable coworkers such as Tadao Otoh and Satoshi Ohya, contributing to the advancement of refrigeration technology.
Conclusion
Yoshihisa Ishida's contributions to refrigeration technology through his patents demonstrate his innovative spirit and dedication to improving industry standards. His work continues to influence the field significantly.