Hiratsuka, Japan

Tomonari Yokoyama

This inventor holds 4 USPTO granted patents and 2 published patent applications and 4 EPO patents. Top assignees: Mitsubishi Chemical Corporation, Mitsubishi Engineering-Plastics Corporation. Active years: 2013-2017.

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

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

 

Average Co-Inventor Count = 6.5

ph-index = 1


Location History:

  • Ashigarashimo-gun, JP (2013)
  • Hiratsuka, JP (2016 - 2017)

Company Filing History:


Years Active: 2013-2017

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4 patents (USPTO):Explore Patents

Title: Tomonari Yokoyama: Innovator in Polycarbonate Resin Technology

Introduction

Tomonari Yokoyama is a notable inventor based in Hiratsuka, Japan. He has made significant contributions to the field of polycarbonate resin technology, holding a total of 4 patents. His work focuses on enhancing the properties of polycarbonate resins, making them more versatile for various applications.

Latest Patents

Yokoyama's latest patents include innovative polycarbonate resin compositions aimed at improving surface hardness and impact strength. One of his patents describes a polycarbonate resin composition that comprises at least two different polycarbonate resins, which together provide excellent surface hardness and heat resistance. Another patent emphasizes the moldability and flame retardancy of the resin composition, showcasing his commitment to advancing material science.

Career Highlights

Throughout his career, Tomonari Yokoyama has worked with prominent companies such as Mitsubishi Chemical Corporation and Mitsubishi Engineering-Plastics Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of polymer technology.

Collaborations

Yokoyama has collaborated with talented individuals in his field, including Tatsuya Hitomi and Ryouhei Nishihara. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Tomonari Yokoyama's contributions to polycarbonate resin technology highlight his innovative spirit and dedication to improving material properties. His patents reflect a deep understanding of polymer science and its applications in various industries.

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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