Noboru Ishida, an accomplished inventor based in Yokohama, Japan, boasts an impressive portfolio of 26 patents. His contributions predominantly focus on advancements in fluid compositions, significantly impacting the refrigeration industry. With a keen eye for innovation, Ishida has pioneered several solutions aimed at improving refrigeration efficiency and sustainability.

Latest Patents

Ishida’s latest patents revolve around fluid compositions containing refrigeration oils and chlorine-free fluorocarbon refrigerants. One notable patent outlines a fluid composition for a refrigerator, which combines a chlorine-free fluorocarbon refrigerant with a particular refrigerator oil. This oil is a tetraester of pentaerythritol, specifically formulated with both 2-ethylhexanoic acid and 3,5,5-trimethylhexanoic acid, exhibiting a pour point not higher than -10°C. Another essential patent details a refrigerator oil suitable for compressors using a hydrogen-containing halogenocarbon as a refrigerant. This oil comprises ester types selected from pentaerythritol esters and polyol esters, alongside epoxy compounds, showcasing his innovative approach to modern refrigeration challenges.

Career Highlights

Throughout his career, Ishida has made significant strides in the field of refrigeration technologies. He has been affiliated with notable companies such as Nippon Oil Company and Nippon Mitsubishi Oil Corporation. His work in these leading firms has profoundly influenced the development and commercialization of cutting-edge refrigeration solutions.

Collaborations

During his innovative journey, Ishida has collaborated with esteemed professionals like Hiroshi Hasegawa and Umekichi Sasaki. These partnerships have fostered an environment of creativity and technical expertise, enabling enhanced product development and research in refrigeration technologies.

Conclusion

Noboru Ishida stands as a prominent figure in the realm of refrigeration innovations. His 26 patents reflect not only his technical talents but also his commitment to advancing sustainable refrigeration solutions. Through his work and collaborations, Ishida continues to shape the future of this crucial industry, making significant contributions to both technology and environmental sustainability.

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