Chigasaki, Japan

Takaharu Sakemi

This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignee: Toho Titanium Co., Ltd.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takaharu Sakemi. Retrieved from https://idiyas.com/inventor/takaharu-sakemi

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

USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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2 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Takaharu Sakemi

Introduction

Takaharu Sakemi is a notable inventor based in Chigasaki, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of catalysts for the polymerization of olefins. His innovative methods have the potential to enhance the efficiency and effectiveness of polymer production.

Latest Patents

Sakemi holds a patent for a "Method for producing catalyst for polymerization of olefin and catalyst for polymerization of olefin." This method addresses the challenge of early deactivation of the active site in catalysts, which can lead to decreased polymerization activity. The catalyst produced through this method exhibits excellent activity during the polymerization of olefins and results in polymers with superior stereoregularity. The process involves the interaction of a solid catalyst component containing magnesium, titanium, halogen, and an internal electron-donating compound with a specific organoaluminum compound. This innovative approach significantly improves the performance of catalysts in industrial applications.

Career Highlights

Sakemi is associated with Toho Titanium Co., Ltd., where he has been instrumental in advancing the company's research and development efforts. His work has not only contributed to the company's success but has also positioned him as a key figure in the field of catalyst development.

Collaborations

Throughout his career, Sakemi has collaborated with esteemed colleagues such as Hiroyuki Kono and Toshiya Uozumi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Takaharu Sakemi's contributions to the field of polymer chemistry, particularly through his patented methods for catalyst production, highlight his role as an influential inventor. His work continues to impact the industry positively, paving the way for advancements in polymerization processes.

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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