Tokyo, Japan

Yataro Nagai

This inventor holds 8 USPTO granted patents. Top assignees: Tanken Seiko Kabushiki Kaisha, Nihon Tungsten Kabushiki Kaisha, Tanken Seiko Corp.. Active years: 1984-1995.

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

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 = 3.0

ph-index = 6

Forward Citations = 87(Granted Patents)


Company Filing History:


Years Active: 1984-1995

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8 patents (USPTO):Explore Patents

Title: Yataro Nagai: Innovator in Rotary Systems and Mechanical Seals

Introduction

Yataro Nagai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of rotary systems and mechanical seals. With a total of 8 patents to his name, Nagai has demonstrated a commitment to innovation and engineering excellence.

Latest Patents

Nagai's latest patents include a "System for Monitoring Behavior of Rotary Body." This behavior monitoring system is capable of tracking the displacement of a rotary body in multiple directions. It features an inclined surface formed on the rotary body, extending obliquely to the rotational axis, along with sensor means for detecting the displacement of the inclined surface. Another notable patent is for a "Mechanical Seal Including a Split Seal Ring." This mechanical seal incorporates a split seal ring covered by a support ring, which is fastened in a circular shape by an O-ring inserted in a predetermined gap. The design allows for easy assembly using a tool that includes a split ring body, which has a basic inner face that contacts the surface of a rotary shaft.

Career Highlights

Throughout his career, Yataro Nagai has worked with several notable companies, including Tanken Seiko Kabushiki Kaisha and Nihon Tungsten Kabushiki Kaisha. His work in these organizations has contributed to advancements in technology and engineering practices.

Collaborations

Nagai has collaborated with several talented individuals in his field, including Mitsuyoshi Matsushita and Yuji Yamauchi. These collaborations have fostered innovation and the sharing of ideas, further enhancing the impact of his work.

Conclusion

Yataro Nagai's contributions to the fields of rotary systems and mechanical seals highlight his innovative spirit and dedication to engineering. His patents reflect a deep understanding of technology and a commitment to improving existing systems.

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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