Tokyo, Japan

Yokio Tatsumi

This inventor holds 1 USPTO granted patent. Top assignee: Adeka Corporation. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yokio Tatsumi. Retrieved from https://idiyas.com/inventor/yokio-tatsumi

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

Calculating rank

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2016

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Yokio Tatsumi: Revolutionizing Lubricants

Introduction: Yokio Tatsumi, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of lubricant technology. With a focus on antioxidants, his groundbreaking work has led to the development of an innovative antioxidant composition that enhances the performance and longevity of lubricants.

Latest Patents: Tatsumi holds a patent for an "Antioxidant composition and lubricating oil composition containing same." This invention involves a unique blend of compounds, specifically designed to improve the effectiveness of lubricating oils. The composition consists of a compound represented by a specific general formula, along with amine-based and/or phenol-based antioxidants, thereby providing a superior alternative to traditional formulations.

Career Highlights: Yokio Tatsumi is affiliated with Adeka Corporation, a leading company in the chemical industry. His work at the corporation revolves around the development of advanced chemical products, particularly those related to lubricants and industrial applications. Tatsumi's invention reflects his commitment to innovation and excellence in his field.

Collaborations: Throughout his career, Tatsumi has collaborated with esteemed colleagues such as Kazuhiro Umehara and Shinji Iino. Together, they have worked to push the boundaries of what is achievable in lubricant technology, fostering a collaborative environment that enhances their innovative efforts.

Conclusion: Yokio Tatsumi's contributions to the field of lubricants are not merely technical achievements; they represent a significant advancement in how businesses can formulate products for better performance and sustainability. As an inventor, he continues to inspire future innovations, addressing the evolving needs of industry and technology.

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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