Nobutoshi Migishima

Title: Nobutoshi Migishima: Innovator in Refrigeration Technology

Introduction

Nobutoshi Migishima is a notable inventor based in Fukuya, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 3 patents. His innovative designs focus on improving the efficiency and functionality of ice-making devices and electronic expansion valves.

Latest Patents

One of his latest patents is an ice-making device that incorporates an evaporator and a refrigerating circuit. This circuit includes a compressor, a condenser, an electronic expansion valve, and the evaporator, all configured to circulate a refrigerant to produce ice efficiently. The device features a controller that adjusts the circulation amount of the refrigerant based on the cooling load, ensuring optimal performance. Another significant patent is for an electronic expansion valve, which includes a small hole for refrigerant expansion and a valve body that opens and closes this hole. The design utilizes a disc spring with spiral slits, allowing for stable operation over extended periods without the need for a guide.

Career Highlights

Nobutoshi Migishima has worked with prominent companies in the industry, including Fuji Electric Co., Ltd. and Sanyo Electric Co., Ltd. His experience in these organizations has contributed to his expertise in refrigeration technology and innovation.

Collaborations

Throughout his career, he has collaborated with talented individuals such as Hajime Erikawa and Yasuhiko Miyata. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Nobutoshi Migishima is a distinguished inventor whose work in refrigeration technology has led to several important patents. His contributions continue to influence the industry, showcasing the importance of innovation in improving everyday appliances.