Yokohama, Japan

Eiji Aiyoshizawa

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignee: Nissan Motor Company Limited. Active years: 1993-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Aiyoshizawa. Retrieved from https://idiyas.com/inventor/eiji-aiyoshizawa

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 = 2.5

ph-index = 4

Forward Citations = 61(Granted Patents)


Location History:

  • Kanagawa, JP (1993)
  • Yokohama, JP (2000 - 2009)

Company Filing History:


Years Active: 1993-2009

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4 patents (USPTO):Explore Patents

Title: Eiji Aiyoshizawa: Innovator in Engine Technology

Introduction

Eiji Aiyoshizawa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of engine technology, holding a total of 4 patents. His work primarily focuses on improving the efficiency and performance of internal combustion engines.

Latest Patents

Aiyoshizawa's latest patents include an innovative internal combustion engine cooling system. This system features an engine water jacket, a coolant circulation passage, and a thermostat valve that selectively manages coolant flow. Additionally, he has developed a combustion control device for diesel engines, which enhances low temperature pre-mixed combustion stability. This device operates by adjusting the temperature of operational gases to ensure optimal combustion conditions.

Career Highlights

Eiji Aiyoshizawa is currently employed at Nissan Motor Company Limited, where he continues to push the boundaries of automotive technology. His expertise in engine design and cooling systems has positioned him as a key player in the automotive industry.

Collaborations

Throughout his career, Aiyoshizawa has collaborated with esteemed colleagues such as Shuji Kimura and Yoshiki Sekiya. These partnerships have fostered innovation and contributed to the advancement of engine technologies.

Conclusion

Eiji Aiyoshizawa's contributions to engine technology through his patents and collaborations highlight his role as a leading inventor in the automotive field. His work continues to influence the development of more efficient and reliable engine 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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