Anjo, Japan

Shigeru Nakajima

This inventor holds 9 USPTO granted patents and 1 EPO patent. Top assignee: Aisin Seiki Kabushiki Kaisha. Active years: 1999-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Nakajima. Retrieved from https://idiyas.com/inventor/shigeru-nakajima-9k5hmrpv

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

Calculating rank

% Patents Active = 88.9

 

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 46(Granted Patents)


Location History:

  • Aichi-pref, JP (1999)
  • Anjo, JP (2004 - 2009)

Company Filing History:


Years Active: 1999-2009

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9 patents (USPTO):Explore Patents

Title: The Innovative Mind of Shigeru Nakajima

Introduction

Shigeru Nakajima, an accomplished inventor based in Anjo, Japan, holds an impressive portfolio of nine patents. His remarkable contributions in the field of automotive technology have significantly influenced the efficiency and functionality of valve timing control systems.

Latest Patents

Among his latest inventions is a valve timing control apparatus designed to reduce the accumulation of foreign material in its components. This system minimizes foreign material penetration in sliding parts, ultimately reducing the sliding resistance of the locking member. The innovative design includes a sliding groove on an outer rotor and a locking member that engages in a specific phase of relative rotation. Furthermore, it integrates flow channels for hydraulic fluid, improving operational efficiency.

Another notable patent is a variable valve timing control device that comprises a rotational shaft and a rotation transmitting member. This device features a fluid pressure chamber which is divided into an advanced angle chamber and a retarded angle chamber by a vane. The incorporation of a torsion coil spring biases the rotational shaft, enhancing its performance and reliability in varied driving conditions.

Career Highlights

Working at Aisin Seiki Kabushiki Kaisha, Shigeru Nakajima has dedicated his career to pushing the boundaries of innovation in automotive technology. His work has been instrumental in advancing the design and functionality of valve timing systems, making significant contributions to the industry.

Collaborations

Shigeru Nakajima's inventive journey has been enriched by collaborations with talented coworkers, including Taiyu Iwata and Ichiro Hiratsuka. Their combined expertise creates a synergistic approach to tackling complex engineering challenges, resulting in groundbreaking innovations.

Conclusion

Shigeru Nakajima’s dedication to innovation is evident in his nine patents and the impactful advancements he has made at Aisin Seiki Kabushiki Kaisha. His inventions not only showcase his technical prowess but also highlight the importance of collaboration in achieving remarkable results in the field of automotive technology.

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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