Tochigi, Japan

Kazuaki Maruyama

This inventor holds 1 USPTO granted patent. Top assignees: Kureha Kagaku Kogyo Kabushiki Kaisha, Tsutsunaka Plastic Kogyo Kabushiki Kaisha. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuaki Maruyama. Retrieved from https://idiyas.com/inventor/kazuaki-maruyama-xibsqd0v

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 = 2(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Kazuaki Maruyama: Innovator in Polycarbonate Resin Technology

Introduction

Kazuaki Maruyama is a notable inventor based in Tochigi, Japan. He has made significant contributions to the field of polymer science, particularly in the development of polycarbonate resin compositions. His innovative work has led to advancements in materials that exhibit enhanced properties for various applications.

Latest Patents

Kazuaki Maruyama holds a patent for a polycarbonate resin composition and molded product thereof. This composition is a mixture of (A) 97-50 wt. % of a polycarbonate resin, and (B) 3-50 wt. % of a graft copolymer. The graft copolymer is created by graft-polymerizing a specific mixture of monomers, resulting in a product that demonstrates excellent extrudability and thermoforming characteristics. The polycarbonate resin composition is designed to suppress drawdown and provide good deep drawability, making it suitable for various industrial applications. He has 1 patent to his name.

Career Highlights

Throughout his career, Kazuaki Maruyama has worked with prominent companies in the industry. He has been associated with Kureha Kagaku Kogyo Co., Ltd. and Tsutsunaka Plastic Kogyo Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polymer technology and contribute to innovative projects.

Collaborations

Kazuaki Maruyama has collaborated with notable colleagues, including Mitsuru Hoshino and Takeo Ogihara. These partnerships have fostered a creative environment that has led to the development of advanced materials and technologies.

Conclusion

Kazuaki Maruyama's contributions to polycarbonate resin technology highlight his role as an influential inventor in the field. His innovative patent and collaborations with industry professionals underscore the importance of teamwork in driving advancements in material science.

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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