Hiromasa Ashitani is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 7 patents. His innovative designs have advanced the efficiency and functionality of cooling systems.

Latest Patents

Among his latest patents, Ashitani has developed a refrigerant pump with rotors in bearing. This refrigerant pump features a thin-walled hermetic vessel and a thick-walled hermetic vessel, with a stator of an electric motor unit fitted outside the thin-walled vessel. The rotor is accommodated inside the thin-walled vessel, and a pump mechanism is located within the thick-walled vessel. The rotational force of the rotor is transmitted to the pump mechanism via a drive shaft. Another notable invention is a semiconductor cooling device, which includes a cold plate for cooling a semiconductor element, a condenser, and an inverter-controlled refrigerant pump. These components are fluid-connected in series to create a refrigerating cycle, and the device is equipped with a fan, a temperature detector, and a controller for optimal performance.

Career Highlights

Hiromasa Ashitani is currently employed at Matsushita Electric Industrial Co., Ltd., where he continues to innovate and develop advanced refrigeration technologies. His work has been instrumental in enhancing the efficiency of cooling systems used in various applications.

Collaborations

Throughout his career, Ashitani has collaborated with notable colleagues, including Masao Nakano and Takashi Morimoto. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hiromasa Ashitani's contributions to refrigeration technology exemplify his dedication to innovation. His patents reflect a commitment to improving cooling systems, making a lasting impact in the industry.

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