Chiba, Japan

Naoto Okubo

This inventor holds 5 USPTO granted patents and 2 EPO patents. Top assignees: Idemitsu Kosan Company, Limited, Lion Idemitsu Composites Co., Ltd.. Active years: 2013-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoto Okubo. Retrieved from https://idiyas.com/inventor/naoto-okubo-dik474qv

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

Calculating rank

% Patents Active = 60.0

 

Average Co-Inventor Count = 3.2

ph-index = 1

Forward Citations = 9(Granted Patents)


Location History:

  • Ichihara, JP (2013)
  • Chiba, JP (2018 - 2023)

Company Filing History:


Years Active: 2013-2023

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5 patents (USPTO):Explore Patents

Title: Naoto Okubo: Innovator in Polycarbonate Resin Technology

Introduction

Naoto Okubo is a prominent inventor based in Chiba, Japan, known for his contributions to the field of polycarbonate resin technology. With a total of 5 patents to his name, Okubo has made significant advancements in the composition and application of polycarbonate materials.

Latest Patents

One of Okubo's latest patents involves a polycarbonate resin composition that includes an aromatic polycarbonate resin, an alicyclic epoxy compound, a predetermined antioxidant, and a predetermined phosphorus compound. The specific ratios of these components are meticulously defined, ensuring optimal performance and stability. This innovative composition is designed to enhance the properties of polycarbonate materials, making them more versatile for various applications.

Career Highlights

Throughout his career, Naoto Okubo has worked with notable companies such as Idemitsu Kosan Company, Limited and Lion Idemitsu Composites Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polymer science and material engineering.

Collaborations

Okubo has collaborated with esteemed colleagues, including Toshio Isozaki and Takahiro Torii. These partnerships have fostered a creative environment that has led to groundbreaking innovations in the field of polycarbonate resins.

Conclusion

Naoto Okubo's work in polycarbonate resin technology exemplifies the impact of innovative thinking in material science. His patents and collaborations continue to influence the industry, paving the way for future advancements.

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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