Atsugi, Japan

Keiichi Nakajima

This inventor holds 4 USPTO granted patents and 3 EPO patents. Top assignees: Nissan Motor Company Limited, Renesas Electronics Corporation. Active years: 2011-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Nakajima. Retrieved from https://idiyas.com/inventor/keiichi-nakajima-vw7qwl47

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

Calculating rank

% Patents Active = 75.0

 

Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Kanagawa, JP (2011)
  • Atsugi, JP (2013 - 2014)

Company Filing History:


Years Active: 2011-2014

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4 patents (USPTO):Explore Patents

Title: Keiichi Nakajima: Innovator in Suspension Technology

Introduction

Keiichi Nakajima is a notable inventor based in Atsugi, Japan. He has made significant contributions to the field of suspension technology, holding a total of 4 patents. His work focuses on innovative designs that enhance vehicle performance and safety.

Latest Patents

One of Nakajima's latest patents is a suspension structure and link arranging method. This invention includes lower front and rear links that connect a wheel support member to a vehicle body member in a swingable manner. An upper link is positioned above the lower front link, facilitating the connection between the wheel support member and the vehicle body. Additionally, a connect bush is provided to link the lower front and rear links, strategically located below the connection point between the lower front link and the wheel support member.

Another significant patent is the bush structure and suspension characteristic adjusting method. This invention features a bush designed to connect a suspension link with a link support member, which can be either a wheel support member or a vehicle body member. The bush consists of an inner cylinder extending in a front and rear direction, connected to one of the suspension link and link support member. An outer cylinder surrounds the inner cylinder, and an elastic member is interposed between them. The inner cylinder is uniquely designed with a bulge portion that projects radially outward, enhancing its functionality.

Career Highlights

Throughout his career, Keiichi Nakajima has worked with prominent companies, including Nissan Motor Company Limited and Renesas Electronics Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in suspension technology.

Collaborations

Nakajima has collaborated with notable coworkers such as Reo Koide and Yoshihiro Kawabe. Their combined expertise has contributed to the advancement of their projects and innovations.

Conclusion

Keiichi Nakajima's contributions to suspension technology through his patents and collaborations highlight his role as an influential inventor in the automotive industry. His innovative designs continue to impact vehicle performance and safety.

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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