Tokyo, Japan

Akira Iijima

This inventor holds 4 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignees: Niles Parts Company, Ltd., Idemitsu Kosan Company, Limited, Mahle Filter Systems Japan Corporation. Active years: 1999-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Iijima. Retrieved from https://idiyas.com/inventor/akira-iijima-xvsbcgwa

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.9

ph-index = 1

Forward Citations = 14(Granted Patents)


Location History:

  • Tokyo, JP (1999 - 2019)
  • Arakawa-ku, JP (2020)

Company Filing History:


Years Active: 1999-2020

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4 patents (USPTO):Explore Patents

Title: Akira Iijima: Innovator in Lubricating Oil Composition

Introduction

Akira Iijima is a notable inventor based in Arakawa-ku, Japan. He has made significant contributions to the field of lubricating oil compositions, particularly for engines equipped with supercharging mechanisms. His innovative work aims to enhance engine performance and reduce issues related to low-speed pre-ignition.

Latest Patents

Iijima holds a patent for a lubricating oil composition designed for engines with forced-induction mechanisms. This composition is capable of lowering the frequency of low-speed pre-ignition (LSPI) occurrences while utilizing a calcium-based detergent. The patent details a formulation that includes a base oil, a metal-containing surfactant, and a basic compound, ensuring optimal performance and reliability in engine operation.

Career Highlights

Iijima is associated with Idemitsu Kosan Co., Ltd., where he has been instrumental in developing advanced lubricating oil technologies. His work has not only contributed to the company's reputation but has also set new standards in the automotive industry.

Collaborations

Iijima has collaborated with notable colleagues, including Toshimasa Utaka and Kazushi Tamura. Their combined expertise has fostered innovation and progress in the field of lubricating oil compositions.

Conclusion

Akira Iijima's contributions to lubricating oil technology exemplify the impact of innovative thinking in engineering. His patent reflects a commitment to improving engine performance and addressing critical challenges in automotive 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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