Kiryu, Japan

Nobuo Yamagisawa

This inventor holds 1 USPTO granted patent. Top assignee: Mitsuba Electric Manufacturing Co., Ltd.. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuo Yamagisawa. Retrieved from https://idiyas.com/inventor/nobuo-yamagisawa

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 = 3.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Nobuo Yamagisawa: Innovator in Pump Technology

Introduction

Nobuo Yamagisawa is a notable inventor based in Kiryu, Japan. He has made significant contributions to the field of pump technology, particularly with his innovative designs aimed at enhancing performance and efficiency.

Latest Patents

Yamagisawa holds a patent for a "Pulsation Preventive Member for Pump." This invention is designed to be used with a pump constructed in the form of a hose, which is strategically placed within a pump fluid passage. The hose connects one end to the pump and the other to an injector, effectively inhibiting pulsation through elastic deformation. The design may feature a circular cross-section or alternative shapes such as rectangular or elliptical. Additionally, the hose can have a double-walled structure, enhancing its functionality.

Career Highlights

Yamagisawa is associated with Mitsuba Electric Manufacturing Co., Ltd., where he has applied his expertise in pump technology. His work has contributed to advancements in the efficiency and reliability of fuel systems.

Collaborations

He has collaborated with notable coworkers, including Akira Kamiyama and Nobuyuki Oshima, who have also contributed to innovations in their respective fields.

Conclusion

Nobuo Yamagisawa's contributions to pump technology through his innovative designs and patents highlight his role as a significant inventor in the industry. His work continues to influence advancements in fluid dynamics and pump efficiency.

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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