Chiba, Japan

Toshio Tsutsui

This inventor holds 5 USPTO granted patents. Top assignees: Fuji Oil Company Limited, Fuji Oil Company Limited and Petroleum Energy Center. Active years: 1991-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Tsutsui. Retrieved from https://idiyas.com/inventor/toshio-tsutsui-n0a346a9

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 = 3.6

ph-index = 3

Forward Citations = 33(Granted Patents)


Location History:

  • Kashiwa, JP (1991)
  • Chiba, JP (1992)
  • Kanagawa, JP (1999)
  • Chuo-ku, JP (2001)
  • Chiba-Ken, JP (2002)

Company Filing History:


Years Active: 1991-2002

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5 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Toshio Tsutsui

Introduction

Toshio Tsutsui is a notable inventor based in Chiba-ken, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of specialized naphthalene compounds. With a total of 5 patents to his name, Tsutsui's work has had a considerable impact on the industry.

Latest Patents

Among his latest patents, Tsutsui has developed a process for producing dimethylnaphthalene and alkylnaphthalene using a metallosilicate catalyst. This innovative method involves an isomerization reaction that utilizes a specific type of metallosilicate catalyst, which enhances the efficiency of the production process. Another significant patent focuses on a rational technical process for producing dialkylnaphthalenes from petroleum-derived starting materials. This process includes several steps, such as hydrodealkylating stock oil and recovering valuable fractions, which streamline the production of these important chemical compounds.

Career Highlights

Throughout his career, Tsutsui has worked with prominent companies, including Fuji Oil Company Limited and the Petroleum Energy Center. His experience in these organizations has allowed him to refine his expertise and contribute to advancements in chemical production techniques.

Collaborations

Tsutsui has collaborated with notable colleagues, including Osamu Kubota and Shinichi Okada. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Toshio Tsutsui's contributions to the field of chemical engineering are marked by his innovative patents and collaborative efforts. His work continues to influence the production of essential chemical compounds, showcasing the importance of innovation in the industry.

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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