Kanagawa, Japan

Masayoshi Tsubokawa

This inventor holds 1 USPTO granted patent, plus 1 CIPO patent and 1 EPO patent. Top assignee: Nissan Motor Company Limited. Active years: 2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayoshi Tsubokawa. Retrieved from https://idiyas.com/inventor/masayoshi-tsubokawa

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 = 2.0

ph-index = 1


Company Filing History:


Years Active: 2019

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1 patent (USPTO):Explore Patents

Title: Masayoshi Tsubokawa: Innovator in Internal Combustion Engine Technology

Introduction

Masayoshi Tsubokawa is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of internal combustion engines. His innovative designs have the potential to enhance engine performance and efficiency.

Latest Patents

Masayoshi Tsubokawa holds a patent for an internal combustion engine. This invention features a unique configuration where the distance between the body high-compression-ratio side stopper surface and the control-shaft high-compression-ratio side stopper surface increases as it approaches the control shaft rotation center. Similarly, the design allows for a longer distance between the body low-compression-ratio side stopper surface and the control-shaft low-compression-ratio side stopper surface as it nears the control shaft rotation center. This innovative approach aims to improve the overall functionality of internal combustion engines.

Career Highlights

Tsubokawa is currently employed at Nissan Motor Company Limited, where he continues to develop and refine engine technologies. His work at Nissan has positioned him as a key player in the automotive industry, contributing to advancements in engine design and performance.

Collaborations

One of his notable coworkers is Katsutoshi Nakamura. Their collaboration has likely fostered an environment of innovation and creativity within their projects at Nissan.

Conclusion

Masayoshi Tsubokawa's contributions to internal combustion engine technology exemplify the spirit of innovation in the automotive industry. His patent and ongoing work at Nissan Motor Company Limited highlight his commitment to advancing engine performance.

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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