Chiba, Japan

Hitomi Shimizu

This inventor holds 1 USPTO granted patent and 2 published patent applications and 1 EPO patent. Top assignee: Idemitsu Kosan Company, Limited. Active years: 2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitomi Shimizu. Retrieved from https://idiyas.com/inventor/hitomi-shimizu-rzb9odki

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0


Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2015

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1 patent (USPTO):Explore Patents

Title: Hitomi Shimizu: Innovator in α-Olefin Polymer Production

Introduction

Hitomi Shimizu is a prominent inventor based in Chiba, Japan. She has made significant contributions to the field of polymer chemistry, particularly in the production of α-olefin polymers. Her innovative work has implications for various industrial applications, especially in lubricating oil compositions.

Latest Patents

Hitomi Shimizu holds a patent for a process that involves producing α-olefin polymer, which is crucial for creating lubricating oil compositions. The patent, titled "Process for producing α-olefin polymer, α-olefin polymer, and lubricating oil composition," describes a method that polymerizes one or more kinds of α-olefins, each having 6 to 20 carbon atoms, using a specific transition metal compound as a catalyst. This method allows for the industrial-scale production of α-olefin polymers with desirable viscosity characteristics, which can be tailored through the control of reaction conditions. She has 1 patent to her name.

Career Highlights

Hitomi Shimizu is associated with Idemitsu Kosan Company, Limited, where she has been able to apply her expertise in polymer production. Her work has not only advanced the company's research but has also contributed to the broader field of materials science.

Collaborations

Some of her notable coworkers include Kiyokazu Katayama and Kiyohiko Yokota. Their collaborative efforts have further enhanced the research and development initiatives within their organization.

Conclusion

Hitomi Shimizu's innovative approach to α-olefin polymer production exemplifies the impact of dedicated research in the field of polymer chemistry. Her contributions continue to influence industrial applications 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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