Hiratsuka, Japan

Hiroyoshi Maruyama

This inventor holds 8 USPTO granted patents and 10 EPO patents. Top assignees: Mitsubishi Engineering-Plastics Corporation, Mitsubishi Gas Chemical Company, Inc.. Active years: 1998-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyoshi Maruyama. Retrieved from https://idiyas.com/inventor/hiroyoshi-maruyama-m1exg51b

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 2.9

ph-index = 3

Forward Citations = 32(Granted Patents)


Location History:

  • Hiratsuka, JP (1998 - 2017)
  • Kanagawa, JP (2022)
  • Tokyo, JP (2022)

Company Filing History:


Years Active: 1998-2022

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8 patents (USPTO):Explore Patents

Title: Hiroyoshi Maruyama: Innovator in Carbon Fiber Technology

Introduction

Hiroyoshi Maruyama is a prominent inventor based in Hiratsuka, Japan. He has made significant contributions to the field of materials science, particularly in the development of carbon fiber reinforced thermoplastic resins. With a total of 8 patents to his name, Maruyama's work has advanced the capabilities of composite materials in various applications.

Latest Patents

Maruyama's latest patents include innovative sheets formed from carbon fiber reinforced thermoplastic resin. One of his notable inventions is a sheet that boasts a simplified production process while maintaining excellent mechanical characteristics. This sheet is composed of carbon fibers, dichloromethane, and a thermoplastic resin that includes at least one of a polycarbonate resin and a polyarylate resin. The content of dichloromethane in the sheet ranges from 10-10,000 ppm by mass. Another significant patent focuses on a sheet with high heat resistance, utilizing similar materials and processes to enhance its durability and performance.

Career Highlights

Throughout his career, Hiroyoshi Maruyama has worked with esteemed companies such as Mitsubishi Engineering-Plastics Corporation and Mitsubishi Gas Chemical Company, Inc. His experience in these organizations has allowed him to refine his expertise in polymer science and composite materials.

Collaborations

Maruyama has collaborated with notable colleagues, including Genki Sugiyama and Kohei Yoshiya. These partnerships have contributed to the successful development of his innovative materials and patents.

Conclusion

Hiroyoshi Maruyama's contributions to carbon fiber technology exemplify the impact of innovation in materials science. His patents reflect a commitment to advancing the capabilities of composite materials, paving the way for future developments 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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