Toyonaka, Japan

Hiroaki Maruyama

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Maruyama. Retrieved from https://idiyas.com/inventor/hiroaki-maruyama-ngc9z60z

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


Company Filing History:

goldMedal1 out of 834,570 
Other
 patents

Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: Hiroaki Maruyama: Innovator in Weather-Resistant Materials

Introduction

Hiroaki Maruyama is a notable inventor based in Toyonaka, Japan. He has made significant contributions to the field of materials science, particularly in the development of weather-resistant thermoplastic resin compositions. His innovative work has practical applications in various industries, including construction and outdoor utilities.

Latest Patents

Maruyama holds a patent for a weather-resistant thermoplastic resin composition. This composition is characterized by its excellent processing stability and comprises a mixture of a vinyl chloride polymer and a chlorine-free polymer with a specific glass transition temperature. The formulation also includes an impact strength modifier and a hindered amine light stabilizer. Molded articles made from this composition demonstrate exceptional weather resistance, making them suitable for outdoor pipes and building materials.

Career Highlights

Throughout his career, Hiroaki Maruyama has focused on enhancing the durability and performance of materials used in various applications. His innovative approach has led to the successful development of products that withstand harsh environmental conditions. With a patent count of 1 patent, Maruyama continues to contribute to advancements in material science.

Collaborations

Maruyama has collaborated with esteemed colleagues such as Masayuki Yoshihara and Yoshihiro Nakatsuji. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise, further enhancing the quality of their innovations.

Conclusion

Hiroaki Maruyama's work in developing weather-resistant thermoplastic resin compositions showcases his commitment to innovation in material science. His contributions have significant implications for industries requiring durable and reliable 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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