Muko, Japan

Kunihiko Nakajima

This inventor holds 2 USPTO granted patents. Top assignees: Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Mitsubishi Jukogyo Kabushiki Kaisha. Active years: 1989-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunihiko Nakajima. Retrieved from https://idiyas.com/inventor/kunihiko-nakajima-rjigm834

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 = 7.0

ph-index = 2

Forward Citations = 19(Granted Patents)


Location History:

  • Mukou, JP (1989)
  • Muko, JP (1990)

Company Filing History:


Years Active: 1989-1990

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2 patents (USPTO):Explore Patents

Title: Innovations of Kunihiko Nakajima

Introduction

Kunihiko Nakajima is a notable inventor based in Muko, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 2 patents. His work focuses on improving the efficiency and performance of combustion chambers.

Latest Patents

One of Nakajima's latest patents is for a combustion chamber of a subchamber type internal combustion engine. This invention defines a space that extends contiguously to a subchamber injection port within a subchamber mouthpiece. It features a control rod that is disposed in the space adjacent to the injection port, along with an actuator that utilizes a working substance such as wax or rubber, which expands and contracts with temperature changes. This design allows for better control of the combustion process during varying engine loads.

Another significant patent by Nakajima is also related to the combustion chamber of a sub-chamber type internal combustion engine. This invention aims to operate efficiently with excellent fuel consumption and low smoke density, whether under partial or heavy loading conditions. The design includes a sub-chamber port that communicates between the main combustion chamber and a subsidiary combustion chamber, enhancing overall engine performance.

Career Highlights

Throughout his career, Nakajima has worked with prominent companies such as Mitsubishi Motors Corporation and Mitsubishi Heavy Industries. His experience in these organizations has contributed to his expertise in engine technology and innovation.

Collaborations

Nakajima has collaborated with notable colleagues, including Koji Imoto and Tadao Omura. Their combined efforts have led to advancements in engine design and functionality.

Conclusion

Kunihiko Nakajima's contributions to the field of internal combustion engines through his innovative patents demonstrate his commitment to enhancing engine efficiency and performance. His work continues to influence the automotive industry and inspire future innovations.

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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