Osaka, Japan

Seiji Okamura

This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignees: Minebea Company, Limited, Nippon Grease Co., Ltd., Jtekt Corporation. Active years: 1987-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Okamura. Retrieved from https://idiyas.com/inventor/seiji-okamura-5i0f9c6u

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

Calculating rank

% Patents Active = 85.7


Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 28(Granted Patents)


Location History:

  • Hyogo, JP (2009)
  • Osaka, JP (2002 - 2010)
  • Kobe, JP (1987 - 2011)

Company Filing History:


Years Active: 1987-2011

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7 patents (USPTO):Explore Patents

Title: Seiji Okamura: Innovator in Lubricant Technologies

Introduction

Seiji Okamura is a prominent inventor based in Osaka, Japan, known for his significant contributions to lubricant technologies. With a total of seven patents to his name, Okamura has developed innovative solutions that enhance the performance and durability of various mechanical components.

Latest Patents

Okamura's latest patents include a lubricant composition and sealed bearing designed for rolling bearings used in household appliances. This invention focuses on achieving a high degree of quietness, excellent durability at high temperatures and rotational speeds, low torque, and superior fretting properties. The lubricant composition consists of a base oil and a thickening agent, where the base oil is a mixed oil comprising synthetic hydrocarbon oil and ester oil. The thickening agent is a diurea compound with specific structural characteristics. Another notable patent is a grease composition for pivot assembly bearings, which includes a thickener and a base oil, ensuring optimal performance in pivot assemblies.

Career Highlights

Throughout his career, Seiji Okamura has worked with notable companies such as Nippon Grease Co., Ltd. and Minebea Company, Limited. His experience in these organizations has allowed him to refine his expertise in lubricant technologies and contribute to advancements in the field.

Collaborations

Okamura has collaborated with esteemed colleagues, including Hiroki Iwamatsu and Hiroshi Komiya, to further enhance his innovative projects. Their combined efforts have led to the development of cutting-edge solutions in lubricant compositions.

Conclusion

Seiji Okamura's work in lubricant technologies showcases his dedication to innovation and excellence. His patents reflect a deep understanding of material science and engineering, contributing significantly to the industry.

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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