Tokyo, Japan

Masahiro Murakami

This inventor holds 2 USPTO granted patents. Top assignee: Teijin Chemicals Limited. Active years: 2012-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Murakami. Retrieved from https://idiyas.com/inventor/masahiro-murakami-k291b509

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


Average Co-Inventor Count = 4.8

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2012-2014

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2 patents (USPTO):Explore Patents

Title: Masahiro Murakami: Innovator in Polycarbonate Technology

Introduction

Masahiro Murakami is a prominent inventor based in Chiyoda-ku, Japan. He has made significant contributions to the field of polycarbonate technology, holding a total of 2 patents. His work focuses on developing high-quality retardation films and polycarbonate resin films for optical applications.

Latest Patents

Murakami's latest patents include a retardation film that boasts minimal foreign matter defects and low retardation nonuniformity. This innovation is produced through a melt extrusion process of polycarbonate, ensuring high productivity at a low cost. Additionally, he has developed a polycarbonate resin film characterized by an average thickness of 10 to 150 µm, with a thickness nonuniformity of 2% or less. This film exhibits specific retardation properties, making it suitable for various optical purposes.

Career Highlights

Masahiro Murakami is associated with Teijin Chemicals Limited, where he has been instrumental in advancing the company's technological capabilities. His expertise in polycarbonate materials has positioned him as a key figure in the industry.

Collaborations

Murakami has worked alongside notable colleagues, including Hideaki Nitta and Kunio Hatanaka. Their collaborative efforts have contributed to the successful development of innovative products in the field of polycarbonate technology.

Conclusion

Masahiro Murakami's contributions to polycarbonate technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the optical industry positively.

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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