Tokyo, Japan

Kuniharu Yamamoto

This inventor holds 1 USPTO granted patent. Top assignee: Cosmo Oil Lubricants Co., Ltd.. Active years: 2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kuniharu Yamamoto. Retrieved from https://idiyas.com/inventor/kuniharu-yamamoto

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 = 3.0

ph-index = 1


Company Filing History:


Years Active: 2021

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1 patent (USPTO):Explore Patents

Title: Kuniharu Yamamoto: Innovator in Lubricating Oil Composition

Introduction

Kuniharu Yamamoto is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of lubricants, particularly with his innovative patent related to lubricating oil compositions.

Latest Patents

Yamamoto holds a patent for a lubricating oil composition designed for sliding guide surfaces. This composition includes a lubricant base oil, an acid phosphate ester mixture, and an aliphatic monoamine. The patent specifies that the acid phosphate ester mixture must satisfy certain conditions, enhancing the performance of the lubricating oil.

Career Highlights

Yamamoto is associated with Cosmo Oil Lubricants Co., Ltd., where he has been instrumental in developing advanced lubricant technologies. His work has contributed to improving the efficiency and effectiveness of lubricating oils in various applications.

Collaborations

Yamamoto has collaborated with notable colleagues, including Masaaki Kondo and Kenichi Sekine, to further enhance the research and development of lubricating oil compositions.

Conclusion

Kuniharu Yamamoto's innovative work in lubricating oil compositions showcases his expertise and commitment to advancing technology in this field. His contributions are valuable to both the industry and the scientific community.

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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