Yutaka Hirano is a notable inventor based in Ohta, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 5 patents. His work focuses on enhancing the performance and reliability of refrigerating units through innovative approaches.

Latest Patents

Hirano's latest patents include advancements in refrigerating units that utilize polyol ester system oil as a base oil in refrigeration cycles. One of his inventions specifies that the purity of hydrofluorocarbon system refrigerant should exceed 99.95 wt %, while limiting chlorine system refrigerant mixing to below 80 ppm. This innovation aims to improve the performance and reliability of refrigerating units using refrigerants like R134a. Another patent details a lubricant for refrigerating units that also employs hydrofluorocarbon system refrigerants with similar purity and chlorine impurity specifications, further enhancing the efficiency of refrigeration cycles.

Career Highlights

Throughout his career, Yutaka Hirano has worked with prominent companies such as Sanyo Electric Co., Ltd. and Tokyo Sanyo Electric Co. His experience in these organizations has allowed him to develop and refine his innovative ideas in refrigeration technology.

Collaborations

Hirano has collaborated with notable coworkers, including Kiyoshi Tanaka and Hirokazu Kawakami. Their combined expertise has contributed to the successful development of various refrigeration technologies.

Conclusion

Yutaka Hirano's contributions to refrigeration technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative approaches continue to enhance the efficiency and reliability of refrigerating units.

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