Ichihara, Japan

Takeshige Nakano

This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignee: Idemitsu Kosan Company, Limited. Active years: 1993-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshige Nakano. Retrieved from https://idiyas.com/inventor/takeshige-nakano

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


% Patents Active = 100.0


Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1993-2000

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2 patents (USPTO):Explore Patents

Title: Innovations by Takeshige Nakano

Introduction

Takeshige Nakano is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of lubricating oil technology, particularly in the development of novel succinimide compounds.

Latest Patents

Takeshige Nakano holds two patents, with his latest innovations focusing on a succinimide compound and a method for producing it. These compounds are effective in diesel engine lubricating oil, providing protection to engine parts from corrosion and wear caused by SOx. The production process involves reacting an acid compound with a polyamine to create succinimide compounds, which exhibit specific absorption peaks in the IR spectral pattern. Additionally, he has developed overbased sulfurized alkaline earth metal phenates that are oil-soluble and exhibit excellent detergency and dispersancy, making them valuable as lubricating oil additives.

Career Highlights

Throughout his career, Nakano has worked with prominent companies, including Idemitsu Kosan Co., Ltd. and Idemitsu Kosan Company, Limited. His work has significantly impacted the lubricating oil industry, enhancing the performance and longevity of diesel engines.

Collaborations

He has collaborated with notable coworkers such as Hiroaki Koshima and Tomiyasu Minokami, contributing to advancements in lubricating oil formulations.

Conclusion

Takeshige Nakano's innovations in succinimide compounds and lubricating oil additives have made a lasting impact on engine protection technology. His work continues to influence the industry and improve the performance of diesel engines.

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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