Kamakura, Japan

Shizuo Takumi

This inventor holds 6 USPTO granted patents. Top assignee: Nikki-Universal Co., Ltd.. Active years: 1978-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shizuo Takumi. Retrieved from https://idiyas.com/inventor/shizuo-takumi

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 = 3.0

ph-index = 4

Forward Citations = 35(Granted Patents)


Company Filing History:


Years Active: 1978-1986

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6 patents (USPTO):Explore Patents

Title: Shizuo Takumi: Innovator in Hydrodesulfurization Catalysts

Introduction

Shizuo Takumi is a prominent inventor based in Kamakura, Japan. He has made significant contributions to the field of catalyst technology, holding a total of six patents. His work focuses on methods for preparing hydrodesulfurization catalysts and alumina carriers, which are essential in various industrial applications.

Latest Patents

One of Takumi's latest patents is a method for preparing a hydrodesulfurization catalyst. This invention involves several steps, including preparing a filter cake of amorphous alumina hydrate, dewatering it, and kneading the mixture with aqueous solutions of catalyst metals. The process culminates in drying and calcining the extrudate, followed by impregnation with remaining catalyst metals. Another notable patent is a process for preparing alumina for use in catalyst carriers. This method allows for the control of pseudoboehmite grain growth and pore distribution in the final alumina carrier, enhancing its effectiveness in catalytic applications.

Career Highlights

Shizuo Takumi is associated with Nikki-Universal Co., Ltd., where he continues to innovate in catalyst technology. His expertise in the preparation of catalysts has positioned him as a key figure in the industry, contributing to advancements that improve efficiency and effectiveness in various chemical processes.

Collaborations

Takumi has collaborated with notable colleagues, including Toshio Hashimoto and Masaru Tatsushima. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of catalyst development.

Conclusion

Shizuo Takumi's contributions to catalyst technology through his innovative patents and collaborations highlight his importance in the field. His work continues to influence advancements in hydrodesulfurization and alumina carrier preparation, showcasing the impact of his inventions on industrial applications.

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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