Tokyo, Japan

Hiroki Nakazawa

This inventor holds 4 USPTO granted patents. Top assignees: Eneos Corporation, Tdk Corporation. Active years: 2001-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Nakazawa. Retrieved from https://idiyas.com/inventor/hiroki-nakazawa-10ynabjl

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 = 1.6

ph-index = 2

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 2001-2024

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4 patents (USPTO):Explore Patents

Title: Hiroki Nakazawa: Innovator in Lubricating Oil Compositions

Introduction

Hiroki Nakazawa, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of lubricating oil compositions. With an impressive portfolio of four patents, his work focuses primarily on enhancing the performance and efficiency of internal combustion engines.

Latest Patents

Among Hiroki Nakazawa's latest innovations are two notable patents for lubricating oil compositions tailored for internal combustion engines. The first patent features a composition with a High-Temperature High-Shear (HTHS) viscosity at 150° C. ranging from 2.25 to less than 2.55 mPa·s. This lubricant contains a blend of mineral and synthetic base oils, metallic detergents providing a substantial amount of salicylate soap base, versatile comb-shaped poly(meth)acrylates, and a nitrogen-based succinimide dispersant. The second patent expands upon this concept, defining a lubricating oil composition with HTHS viscosity between 2.55 and 2.84 mPa·s, while similarly incorporating an advanced mixture of lubricating base oils, detergents, and dispersants to optimize performance.

Career Highlights

Hiroki Nakazawa has built a commendable career working with leading corporations, notably TDK Corporation and Eneos Corporation. His expertise and innovative mindset have contributed to advancements in technology within these prominent companies, positioning him as a key figure in the industry.

Collaborations

During his professional journey, Nakazawa has worked alongside accomplished colleagues such as Mitsuhiro Kitao and Keiichi Shibata. Their collaboration has undoubtedly fueled creativity and innovation, allowing for the successful development of advanced lubricating oil technologies.

Conclusion

Hiroki Nakazawa's contributions to lubricating oil compositions reflect a dedication to innovation in the automotive sector. With his four patents, he continues to impact the performance and efficiency of internal combustion engines, making him a notable inventor in his field. As he forges ahead, industry stakeholders can look forward to further advancements from this talented innovator.

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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