Chiba, Japan

Mituharu Yamasaki

This inventor holds 2 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1990-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mituharu Yamasaki. Retrieved from https://idiyas.com/inventor/mituharu-yamasaki

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 = 6.0

ph-index = 2

Forward Citations = 65(Granted Patents)


Company Filing History:


Years Active: 1990-1991

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2 patents (USPTO):Explore Patents

Title: Mituharu Yamasaki: Innovator in Polymer Technology

Introduction

Mituharu Yamasaki is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of polymer technology, particularly in the production of olefin polymers. With a total of 2 patents, Yamasaki's work has had a notable impact on the industry.

Latest Patents

Yamasaki's latest patents include a process for producing granular thermoplastic elastomer and a solid catalyst component for α-olefin polymerization. The first patent details a catalyst system that comprises titanium, magnesium, and chlorine, which are impregnated into an organic porous polymer carrier. This carrier has a mean particle diameter of 5 to 1,000 μm and a pore volume of 0.1 ml/g or above at a pore radius of 100 to 5,000 Å. The second patent focuses on a similar catalyst system and process for producing α-olefin polymers using the described catalyst system.

Career Highlights

Yamasaki is currently employed at Sumitomo Chemical Company, Limited, where he continues to innovate in the field of polymer chemistry. His work has been instrumental in advancing the technology used in the production of various polymers.

Collaborations

Yamasaki has collaborated with notable colleagues such as Toshio Sasaki and Takeshi Ebara. These partnerships have contributed to the development of advanced polymer technologies and have enhanced the research capabilities within their field.

Conclusion

Mituharu Yamasaki is a distinguished inventor whose contributions to polymer technology are noteworthy. His patents and ongoing work at Sumitomo Chemical Company, Limited, reflect his commitment to 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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