Masao Sunagawa is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of vacuum cleaner technology, holding a total of 15 patents. His innovative designs have improved the efficiency and functionality of vacuum cleaners, making them more effective for consumers.

Latest Patents

One of Sunagawa's latest patents is for a vacuum cleaner and suction nozzle body. This invention features a vacuum cleaner main body equipped with an electric blower motor, a dust collection part, and a suction nozzle body that communicates with the dust collection part. The design includes an impeller with a rotary axis, driven by the suction force generated by the electric blower motor. The suction nozzle body is designed to include a rotation brush member and a rotation blade member, enhancing its cleaning capabilities. The suction inlet port is strategically located to direct air in a transverse direction to the rotary axis of the impeller, ensuring efficient airflow and cleaning performance.

Career Highlights

Sunagawa has dedicated his career to advancing vacuum cleaner technology at Hitachi, Ltd. His work has led to the development of compact and lightweight vacuum cleaners that operate quietly while maintaining high performance. His innovative designs have set new standards in the industry.

Collaborations

Throughout his career, Sunagawa has collaborated with notable colleagues, including Yoshitaro Ishii and Akira Iwao. These partnerships have fostered a creative environment that has led to groundbreaking advancements in vacuum cleaner technology.

Conclusion

Masao Sunagawa's contributions to vacuum cleaner technology have made a lasting impact on the industry. His innovative designs and patents continue to influence the development of more efficient and effective cleaning solutions.

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