Ichihara, Japan

Takeshi Maruyama

This inventor holds 6 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1992-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Maruyama. Retrieved from https://idiyas.com/inventor/takeshi-maruyama-6845ipo2

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

USPTO Granted Patents = 6 

% Patents Active = 83.3


Average Co-Inventor Count = 2.3

ph-index = 2

Forward Citations = 48(Granted Patents)


Location History:

  • Valley Park, SG (2013)
  • Kobe, JP (2014)
  • Ichihara, JP (1992 - 2020)
  • Chiba, JP (2023)

Company Filing History:


Years Active: 1992-2026

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6 patents (USPTO):Explore Patents

Title: Innovations of Takeshi Maruyama

Introduction

Takeshi Maruyama is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of propylene resin compositions. With a total of 6 patents to his name, Maruyama continues to push the boundaries of innovation in his industry.

Latest Patents

Maruyama's latest patents include a propylene resin composition and a shaped body comprising the same. This composition features a propylene polymer that can be either a propylene homopolymer or a propylene copolymer. The copolymer includes structural units derived from propylene and at least one olefin, such as ethylene or α-olefins with 4 to 12 carbon atoms. Another notable patent is for a propylene-based polymer composition that boasts good thermal stability and results in molded products with favorable appearances. This composition contains a propylene-based polymer selected from a homopolymer and a heterophasic polymer, along with carbon black and optionally an ethylene-α-olefin copolymer.

Career Highlights

Takeshi Maruyama is currently employed at Sumitomo Chemical Company, Limited, where he applies his expertise in polymer science. His work has led to advancements in materials that are essential for various applications in the industry.

Collaborations

Maruyama collaborates with talented individuals such as Motonobu Furuta and Tsuyoshi Watanabe. Their combined efforts contribute to the innovative projects at Sumitomo Chemical Company.

Conclusion

Takeshi Maruyama's contributions to polymer chemistry and his innovative patents highlight his role as a key inventor in the field. His work continues to influence the development of advanced materials 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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