Hiroshima, Japan

Tomonari Murakami

This inventor holds 4 USPTO granted patents. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 2003-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomonari Murakami. Retrieved from https://idiyas.com/inventor/tomonari-murakami-biyxtw7n

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 6.3

ph-index = 3

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 2003-2007

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Tomonari Murakami

Introduction

Tomonari Murakami, an accomplished inventor based in Hiroshima, Japan, has made significant contributions to the field of material science and optics. With a total of four patents to his name, Murakami has focused on advancements in heat treatment technology and optical fiber manufacturing processes, showcasing his expertise and innovative spirit.

Latest Patents

Murakami's latest patents include a remarkable heat treating apparatus and heat treating method for sheet-like articles. This invention features a unique design with blocking members that minimize gaps between the side walls of nozzle boxes equipped with slit nozzles, facilitating consistent gas flow. By ensuring that the gas velocity fluctuates minimally, Murakami's apparatus achieves uniform heating with reduced energy loss.

Additionally, he has developed a process for producing a methyl methacrylate-based polymer, which includes a method that enhances the properties of optical fibers. The process involves feeding a high-purity monomer into a reactor and controlling the polymerization temperature and initiator concentration, resulting in a plastic optical fiber with superior transmission performance.

Career Highlights

Tomonari Murakami is a pivotal figure at Mitsubishi Rayon Company, Limited, where he has been instrumental in developing innovative materials and production methods. His work not only contributes to the company’s advancement but also positions it as a leader in the field of polymers and optical technologies.

Collaborations

Throughout his career, Murakami has collaborated with other notable inventors, including Hirotoshi Mizota and Shigeaki Sasaki. These collaborations have fostered a dynamic exchange of ideas and expertise, further driving innovation and efficiency in their respective projects.

Conclusion

Tomonari Murakami's inventive spirit and achievements reflect a deep commitment to engineering excellence and innovation. His contributions, particularly in heat treatment technology and optical fiber production, have not only advanced the capabilities of materials used in various industries but also paved the way for future advancements in these fields. His work exemplifies the potential impact of dedicated inventors in shaping technological progress.

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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