Ichihara, Japan

Yasuhisa Sakakibara

This inventor holds 3 USPTO granted patents. Top assignees: Ube Industries, Inc., Grand Polymer Co., Ltd.. Active years: 1999-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhisa Sakakibara. Retrieved from https://idiyas.com/inventor/yasuhisa-sakakibara

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

Calculating rank

% Patents Active = 66.7

Average Co-Inventor Count = 3.3

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Chiba, JP (1999 - 2002)
  • Ichihara, JP (2002)

Company Filing History:


Years Active: 1999-2002

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3 patents (USPTO):Explore Patents

Title: Yasuhisa Sakakibara: A Pioneer in Polymerization Innovations

Introduction

Yasuhisa Sakakibara is an accomplished inventor based in Ichihara, Japan. With a total of three patents to his name, Sakakibara has made significant contributions to the field of polymerization, focusing on innovations that enhance the production of alpha-olefin polymers.

Latest Patents

Sakakibara's latest patents include a groundbreaking process for the polymerization of alpha-olefins which emphasizes the preparation of (polycyclic secondary-amino)dialkoxysilanes. This innovation addresses the efficient synthesis of catalysts used in polymerization processes. The detailed approach involves reacting tetrachlorosilane or monoalkyltrichlorosilane with a polycyclic secondary amine in a specialized organic solvent. This reaction is conducted in the presence of a hydrogen chloride-trapping reagent to yield a (polycyclic secondary-amino)chlorosilane, which is subsequently reacted with alkali metal or alkaline earth metal alkoxides in the presence of a lower alcohol.

Career Highlights

Throughout his career, Yasuhisa Sakakibara has worked with leading companies such as Ube Industries, Inc. and Grand Polymer Co., Ltd. His work within these organizations has fostered significant advances in chemical processes and polymer technology, securing his reputation as a forward-thinking inventor in the industry.

Collaborations

Collaboration has played a crucial role in Sakakibara's journey as an innovator. He has worked alongside esteemed colleagues, including Shigeru Ikai and Hiroyuki Ikeuchi, contributing to the synergy of ideas and the development of revolutionary technologies in the field of polymerization.

Conclusion

In summary, Yasuhisa Sakakibara stands out as a notable inventor with a clear focus on advancing polymerization methods. His patents and collaborative efforts signify a relentless pursuit of innovation, further establishing his legacy in the science of polymers. As the industry evolves, Sakakibara's work continues to impact practices in polymer production and catalysis.

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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