Fujisawa, Japan

Takashi Azuma

This inventor holds 2 USPTO granted patents. Top assignees: Kyodo Yushi Co., Ltd., Ntn Corporation. Active years: 2014-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Azuma. Retrieved from https://idiyas.com/inventor/takashi-azuma-eqp06y2y

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2014-2015

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2 patents (USPTO):Explore Patents

Title: The Innovative Work of Takashi Azuma: Pioneering Grease Compositions for Hub Unit Bearings

Introduction: Takashi Azuma, an accomplished inventor based in Fujisawa, Japan, has made significant contributions to the field of lubrication technology. With two patents to his name, Azuma's work focuses on developing advanced grease compositions specifically designed for hub unit bearings that utilize angular contact ball bearings. His innovations enhance the efficiency and reliability of mechanical systems, making them invaluable in various applications.

Latest Patents: Takashi Azuma's latest inventions include two notable patents related to grease compositions for hub unit bearings. The first patent presents a grease formulation containing a carefully selected mixture of diurea compounds, base oil, molybdenum dialkyldithiocarbamate, and calcium sulfonate. This unique combination ensures minimum leakage, excellent anti-flaking properties, and satisfactory bearing lubrication life.

The second patent also focuses on grease compositions for hub unit bearings, encompassing an aromatic diurea thickener, base oil, metal salt of oxidized wax, diphenyl hydrogen phosphate, and rust preventive agents. This inventive composition exhibits exceptional anti-fretting properties at low temperatures while simultaneously providing outstanding rust protection, making it exceptionally suitable for demanding mechanical environments.

Career Highlights: Throughout his career, Takashi Azuma has collaborated with leading companies in the lubrication industry, including Kyodo Yushi Co., Ltd. and NTN Corporation. His expertise has not only advanced the field of grease formulations but has also contributed to the overall performance of mechanical systems that rely on hub unit bearings.

Collaborations: Azuma has worked alongside esteemed colleagues, such as Osamu Saita and Masamichi Yamamoto, further enriching his research and development efforts. These collaborations have fostered a creative and innovative environment, allowing for the exchange of ideas that have propelled his inventions to greater heights.

Conclusion: Takashi Azuma stands out as a remarkable inventor whose innovative grease compositions have revolutionized the lubrication of hub unit bearings. His patents not only reflect his technical ingenuity but also emphasize the importance of reliable lubrication in enhancing the performance and longevity of mechanical systems. As the industry continues to evolve, Azuma's contributions will undoubtedly have a lasting impact on the field.

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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