Sagamihara, Japan

Tadashi Fujikawa

This inventor holds 3 USPTO granted patents. Top assignee: Nissan Motor Company Limited. Active years: 1983-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Fujikawa. Retrieved from https://idiyas.com/inventor/tadashi-fujikawa

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 = 2.3

ph-index = 3

Forward Citations = 33(Granted Patents)


Location History:

  • Tokyo, JP (1983)
  • Sagamihara, JP (1985)

Company Filing History:


Years Active: 1983-1985

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3 patents (USPTO):Explore Patents

Title: The Innovations of Tadashi Fujikawa

Introduction

Tadashi Fujikawa is a notable inventor based in Sagamihara, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced hydraulic systems. With a total of 3 patents to his name, Fujikawa's work has had a considerable impact on the automotive industry.

Latest Patents

Fujikawa's latest patents include a "Variable capacity type vane pump with balancing groove in the cam ring." This invention addresses the design of a vane pump, which features a casing, an annular rotor, and a cam ring that enhances the pump's efficiency. The innovative groove formed in the cam ring near the inlet port plays a crucial role in balancing the cam ring, thereby improving the overall performance of the pump.

Another significant patent is the "Vaned hydraulic system." This invention describes a vane pump that includes a housing with a pump cover and a fixed shaft. The design allows for a rotor to rotate eccentrically within the cam ring, with vanes that are radially slidably provided through the rotor. This configuration optimizes the hydraulic system's functionality and reliability.

Career Highlights

Tadashi Fujikawa is currently employed at Nissan Motor Company Limited, where he continues to innovate and develop new technologies. His expertise in hydraulic systems has made him a valuable asset to the company. His work not only enhances vehicle performance but also contributes to the advancement of automotive engineering.

Collaborations

Fujikawa has collaborated with several talented individuals in his field, including Masami Goto and Shinsuke Eguchi. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Tadashi Fujikawa's contributions to the field of hydraulic systems and his innovative patents demonstrate his commitment to advancing technology in the automotive industry. His work continues to inspire future innovations and improvements in engineering.

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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