Tokyo, Japan

Koshiro Niihara

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Mitsubishi Heavy Industries Compressor Corporation, Mitsubishi Heavy Industries Limited. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koshiro Niihara. Retrieved from https://idiyas.com/inventor/koshiro-niihara

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


% Patents Active = 75.0

 

Average Co-Inventor Count = 3.9

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2014-2025

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4 patents (USPTO):Explore Patents

Title: The Innovations of Koshiro Niihara

Introduction

Koshiro Niihara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in rotor and impeller technologies. With a total of four patents to his name, Niihara's work showcases his expertise and innovative spirit.

Latest Patents

One of his latest patents is a repair method of a rotor. This method involves welding a damaged portion of the rotor body and performing heat treatment to ensure a smooth processing surface. Another significant patent is an impeller brazing method, which details a thermal cycle for manufacturing impellers using a Ni-containing gold alloy. This method emphasizes precise temperature control during the brazing process to enhance the quality of the impeller assembly.

Career Highlights

Throughout his career, Koshiro Niihara has worked with prominent companies such as Mitsubishi Heavy Industries Compressor Corporation and Mitsubishi Heavy Industries Limited. His experience in these organizations has allowed him to refine his skills and contribute to various engineering projects.

Collaborations

Niihara has collaborated with talented individuals in his field, including Hiroki Takagi and Hiroshi Nakajima. These partnerships have fostered innovation and have led to the development of advanced technologies in their respective areas.

Conclusion

Koshiro Niihara's contributions to rotor and impeller technologies highlight his role as a significant inventor in Japan. His innovative methods and collaborations continue to influence the engineering landscape.

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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