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For the Inventor, By the Inventor

Wakayama, Japan

Shoji Nakagawa

This inventor holds 6 USPTO granted patents. Top assignee: Kao Corporation. Active years: 1985-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoji Nakagawa. Retrieved from https://idiyas.com/inventor/shoji-nakagawa

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 85(Granted Patents)


Location History:

  • Tochigi, JP (1985)
  • Wakayama, JP (1998 - 2001)

Company Filing History:

goldMedal6 out of 3,678 
 
Kao Corporation
 patents

Years Active: 1985-2001

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6 patents (USPTO):Explore Patents
1. 6190574 - Phosphorus-comprising lubricating oil composition (2001-02-20),
2. 6096692 - Synthetic lubricating oil (2000-08-01),
3. 5922239 - Polyol ether derivatives and production methods therefor (1999-07-13),
4. 5869702 - Polyol ether derivatives and production methods therefor (1999-02-09),
5. 5720895 - Polyol ether derivatives and production methods therefor (1998-02-24),
6. 4529599 - Tricyclic carboxylate ester and insecticide containing the same (1985-07-16),

Title: The Innovations of Shoji Nakagawa

Introduction

Shoji Nakagawa is a prominent inventor based in Wakayama, Japan. He has made significant contributions to the field of lubricating oil compositions, holding a total of 6 patents. His work is characterized by innovative approaches to enhancing the performance and efficiency of lubricants.

Latest Patents

Among his latest patents is a phosphorus-comprising lubricating oil composition. This composition includes a phosphorus compound that possesses two or more hydroxyl groups and a P–N bond in a molecule. The compounds are represented by specific general formulas, showcasing Nakagawa's expertise in chemical engineering. Another notable patent is related to synthetic lubricating oil, which further emphasizes his focus on improving lubricant formulations.

Career Highlights

Shoji Nakagawa is associated with Kao Corporation, a leading company in the consumer goods and chemical industry. His role at Kao Corporation has allowed him to explore and develop innovative solutions in lubricating oil technology. His contributions have not only advanced the company's product offerings but have also set new standards in the industry.

Collaborations

Throughout his career, Nakagawa has collaborated with talented individuals such as Toshiya Hagihara and Hiroyasu Togashi. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Shoji Nakagawa's work exemplifies the spirit of innovation in the field of lubricating oils. His patents and collaborations reflect a commitment to advancing technology and improving product performance. His contributions continue to influence the industry and inspire future innovations.

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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