Yokohama, Japan

Okitsugu Tsuji

This inventor holds 3 USPTO granted patents. Top assignee: Nippon Petrochemicals Company, Limited. Active years: 1980-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Okitsugu Tsuji. Retrieved from https://idiyas.com/inventor/okitsugu-tsuji

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 = 3.6

ph-index = 2

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1980-1981

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3 patents (USPTO):Explore Patents

Title: Okitsugu Tsuji: Innovator in Aromatic Hydrocarbon Chemistry

Introduction

Okitsugu Tsuji is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of aromatic hydrocarbon chemistry, holding three patents that showcase his innovative methods.

Latest Patents

Tsuji's latest patents include a "Method for Aralkylation" and a "Method for Preparing Polycyclic Aromatic Hydrocarbons." The aralkylation method involves adding an aromatic olefin to benzene or alkylbenzenes in the presence of specific catalysts. This process enhances the efficiency of aralkylation reactions. The method for preparing polycyclic aromatic hydrocarbons focuses on achieving excellent yield and selectivity while minimizing undesirable by-products. This innovative approach utilizes a two-step reaction process involving dimerization and codimerization, followed by a reaction with aromatic hydrocarbons.

Career Highlights

Tsuji is currently employed at Nippon Petrochemicals Company, Limited, where he continues to advance research in his field. His work has garnered attention for its practical applications in the petrochemical industry.

Collaborations

Some of Tsuji's notable coworkers include Isoo Shimizu and Eiichi Matsuzaka, who have collaborated with him on various projects.

Conclusion

Okitsugu Tsuji's contributions to aromatic hydrocarbon chemistry through his innovative patents highlight his role as a leading inventor in the field. His work continues to influence the industry and pave the way for future advancements.

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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