Abiko, Japan

Takahide Nagahara

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignees: Hitachi, Ltd., Other. Active years: 2001-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahide Nagahara. Retrieved from https://idiyas.com/inventor/takahide-nagahara

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 = 4.2

ph-index = 2

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 2001-2018

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5 patents (USPTO):Explore Patents

Title: Takahide Nagahara: Innovator in Pump Technology

Introduction

Takahide Nagahara is a notable inventor based in Abiko, Japan. He has made significant contributions to the field of pump technology, holding a total of 5 patents. His innovative designs focus on improving efficiency and reducing fluid loss in various pumping systems.

Latest Patents

One of his latest patents is a barrel-type multistage pump. This design features a uniform velocity distribution in the axial direction, which helps to suppress fluid loss in the last stage. The pump includes multiple stages of centrifugal impellers, an inner casing, diffusers, and return channels that guide fluid flow effectively. Another notable patent is for a pump suction pipe, which aims to suppress cavitation in the impeller. This design includes a suction pipe outlet arranged vertically and a bent portion that transitions the flow direction, ensuring a smooth and efficient operation.

Career Highlights

Throughout his career, Takahide has worked with prominent companies, including Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in pump technology.

Collaborations

Takahide has collaborated with several professionals in his field, including Daichi Torii and Junichi Kurokawa. These partnerships have fostered innovation and the development of new technologies in pump design.

Conclusion

Takahide Nagahara's work in pump technology exemplifies the spirit of innovation. His patents reflect a commitment to enhancing efficiency and performance in fluid systems. His contributions continue to influence the industry and inspire future advancements.

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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