Yokohama, Japan

Eiji Akiyama

This inventor holds 9 USPTO granted patents and 3 EPO patents. Top assignees: Nippon Oil Corporation, Nippon Mitsubishi Oil Corporation, Nippon Oil Company. Active years: 1988-2012.

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

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


% Patents Active = 33.3


Average Co-Inventor Count = 8.7

ph-index = 3

Forward Citations = 798(Granted Patents)


Location History:

  • Odawara, JP (1988)
  • Yokohama, JP (2000 - 2012)

Company Filing History:


Years Active: 1988-2012

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9 patents (USPTO):Explore Patents

Title: Eiji Akiyama: Innovator in Lubricating Oil Compositions

Introduction

Eiji Akiyama is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of lubricating oil compositions, holding a total of nine patents. His work focuses on enhancing the performance and efficiency of various oil compositions used in refrigeration and machinery.

Latest Patents

Akiyama's latest patents include a compressor oil composition and a heat treating oil composition. The compressor oil composition provides a refrigerating machine oil, a hydraulic oil composition, a metalworking oil composition, and a lubricating oil composition for machine tools. This invention features a lubricating oil base oil with specific parameters, including % Cof not more than 2, % C/% Cof not less than 6, and an iodine value of not more than 2.5. Similarly, the heat treating oil composition shares these characteristics, emphasizing the importance of precise formulations in industrial applications.

Career Highlights

Throughout his career, Akiyama has worked with prominent companies such as Nippon Oil Corporation and Nippon Mitsubishi Oil Corporation. His experience in these organizations has allowed him to develop innovative solutions that address the needs of the lubricating oil industry.

Collaborations

Akiyama has collaborated with notable coworkers, including Kazuo Tagawa and Yuji Shimomura. Their combined expertise has contributed to the advancement of lubricating oil technologies.

Conclusion

Eiji Akiyama's contributions to the field of lubricating oil compositions demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the technical requirements necessary for effective oil formulations. Akiyama's work continues to influence the industry and pave the way for future advancements.

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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