Hitachi, Japan

Fumio Jyouraku

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Jyouraku. Retrieved from https://idiyas.com/inventor/fumio-jyouraku

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Fumio Jyouraku: Innovator in Vacuum Cleaner Technology

Introduction

Fumio Jyouraku is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of household appliances, particularly in vacuum cleaner technology. His innovative approach has led to the development of a unique method for operating vacuum cleaners, enhancing their efficiency and functionality.

Latest Patents

Fumio Jyouraku holds 1 patent for his invention titled "Vacuum cleaner and method for operating the same." This patent describes a system where the output of an electric-driven blower in the cleaner's main body is controlled based on the detection value from a pressure sensor. This sensor monitors the operational conditions within the cleaner. The invention includes a change-over level setting value that serves as a control point for the sensor, allowing for adjustments in the blower's operation based on the detected pressure levels.

Career Highlights

Fumio Jyouraku has dedicated his career to advancing technology in household appliances. His work at Hitachi, Ltd. has positioned him as a key player in the development of innovative cleaning solutions. His expertise in engineering and design has contributed to the company's reputation for quality and innovation in the market.

Collaborations

Fumio has collaborated with notable colleagues such as Kazuo Tahara and Hisao Suka. These partnerships have fostered a creative environment that encourages the exchange of ideas and technological advancements.

Conclusion

Fumio Jyouraku's contributions to vacuum cleaner technology exemplify the spirit of innovation. His patented methods enhance the functionality of household appliances, making them more efficient and user-friendly. His work continues to influence the industry and improve everyday life for consumers.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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