Johyoh, Japan

Kiyoshi Nagai

This inventor holds 1 USPTO granted patent. Top assignees: Nippon Seisen Co., Ltd., Takeda Chemical Industries, Inc.. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Nagai. Retrieved from https://idiyas.com/inventor/kiyoshi-nagai-rhg6ejba

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 = 5.0

ph-index = 1

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Kiyoshi Nagai: Innovator in Powder Filling Technology

Introduction

Kiyoshi Nagai is a notable inventor based in Johyoh, Japan. He has made significant contributions to the field of powder filling technology, particularly with his innovative designs and patents. His work has been instrumental in enhancing the efficiency and effectiveness of powder filling apparatuses.

Latest Patents

Kiyoshi Nagai holds a patent for a "Powder-air separator for use in a powder filling apparatus." This invention features a powder-air separator equipped with a filter made by sintering short-cut filament-shaped particles or by sintering a mixture of short-cut filament-shaped particles and ordinary atomized round particles. This innovation is crucial for improving the performance of powder filling systems.

Career Highlights

Throughout his career, Kiyoshi Nagai has worked with prominent companies, including Takeda Chemical Industries, Inc. and Nippon Seisen Co., Ltd. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in the industry.

Collaborations

Kiyoshi has collaborated with notable coworkers such as Norio Shirai and Jotaro Kishimoto. Their combined expertise has fostered a creative environment that has led to significant innovations in their respective fields.

Conclusion

Kiyoshi Nagai's contributions to powder filling technology through his patent and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in enhancing technological processes.

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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