Tokyo, Japan

Masao Egi

This inventor holds 1 USPTO granted patent. Top assignee: Yuken Kogyo Kabushiki Kaisha. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Egi. Retrieved from https://idiyas.com/inventor/masao-egi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Masao Egi: Innovator in Hydraulic Technology

Introduction

Masao Egi is a prominent inventor based in Tokyo, Japan. He is known for his significant contributions to hydraulic technology, particularly in the development of variable displacement piston pumps. His innovative work has led to advancements in the efficiency and control of hydraulic systems.

Latest Patents

Masao Egi holds a patent for a variable displacement piston pump. This pump features a hydraulic pressure control mechanism that utilizes a proportional electro-hydraulic control valve. The design allows for the adjustment of output flow within a specified range, enhancing the pump's versatility. The system includes a flow detector and a pressure detector, which generate electric signals to maintain optimal performance through a closed-loop control system.

Career Highlights

Egi has made significant strides in his career, working with Yuken Kogyo Kabushiki Kaisha, a company renowned for its hydraulic equipment. His expertise in hydraulic systems has positioned him as a key figure in the industry. With a focus on innovation, he has contributed to the development of advanced hydraulic solutions that meet modern demands.

Collaborations

Throughout his career, Masao Egi has collaborated with notable colleagues, including Toshio Hashimoto and Susumu Yoshino. These partnerships have fostered a creative environment that encourages the exchange of ideas and technological advancements.

Conclusion

Masao Egi's work in hydraulic technology exemplifies the spirit of innovation. His contributions, particularly in the field of variable displacement piston pumps, have had a lasting impact on the industry. Egi's dedication to advancing hydraulic systems continues to inspire future developments in this essential field.

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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