Otake, Japan

Keiji Iwasaka

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Iwasaka. Retrieved from https://idiyas.com/inventor/keiji-iwasaka

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 = 4.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2009

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1 patent (USPTO):Explore Patents

Title: Keiji Iwasaka: Innovator in Polymer Composition and Optical Fiber Technology

Introduction

Keiji Iwasaka is a notable inventor based in Otake, Japan. He has made significant contributions to the field of polymer compositions and optical fiber technology. His innovative work has led to the development of advanced materials that enhance the performance of optical fibers.

Latest Patents

Iwasaka holds a patent for a polymer composition that includes a unique blend of lactone compounds and (meth)acrylates. This composition is designed to produce plastic optical fibers and cables with exceptional heat resistance and transparency. The patent details a specific mass ratio of isomers that optimize the material's properties, ensuring a total light scattering loss of not more than 100 dB/km.

Career Highlights

Keiji Iwasaka is associated with Mitsubishi Rayon Company, Limited, where he has been instrumental in advancing polymer technology. His work has not only contributed to the company's portfolio but has also positioned him as a key figure in the field of optical materials.

Collaborations

Throughout his career, Iwasaka has collaborated with esteemed colleagues such as Keiichi Sakashita and Yoshihiro Tsukamoto. These partnerships have fostered innovation and have led to the successful development of new technologies in the industry.

Conclusion

Keiji Iwasaka's contributions to polymer composition and optical fiber technology exemplify the impact of innovative thinking in material science. His work continues to influence advancements in the field, showcasing the importance of research and development in creating high-performance materials.

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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