Yokohama, Japan

Nobuji Sakai

This inventor holds 7 USPTO granted patents and 4 published patent applications and 1 EPO patent. Top assignees: Samsung Electronics Co., Ltd., Osaka Gas Chemicals Co., Ltd.. Active years: 2015-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuji Sakai. Retrieved from https://idiyas.com/inventor/nobuji-sakai

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

USPTO Granted Patents = 7 

% Patents Active = 100.0


Average Co-Inventor Count = 3.4

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Yokohama, JP (2015 - 2023)
  • Kanagawa-ken, JP (2019 - 2023)

Company Filing History:


Years Active: 2015-2023

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7 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Nobuji Sakai

Introduction

Nobuji Sakai is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced polymers and thermoplastic resins. With a total of seven patents to his name, Sakai's work has had a considerable impact on various industries.

Latest Patents

Sakai's latest patents include a triazine ring-containing polymer and a thermoplastic resin, which are designed for use in optical parts and articles. The triazine ring-containing polymer boasts a high refractive index and low birefringence, making it suitable for injection molding applications. This polymer features a repeating unit of *-[A-B-]*, where structural unit A is derived from a triazinedithiol compound, and structural unit B includes an aromatic hydrocarbon group. Additionally, he has developed a laminate and window film that incorporates a self-healing layer, which enhances durability and functionality in electronic devices.

Career Highlights

Throughout his career, Nobuji Sakai has worked with leading companies such as Samsung Electronics Co., Ltd. and Osaka Gas Chemicals Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polymer science and innovation.

Collaborations

Sakai has collaborated with notable professionals in his field, including Chung Kun Cho and Mikhail Kovalev. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Nobuji Sakai's innovative work in polymer science and his impressive portfolio of patents highlight his significant contributions to the field. His advancements continue to influence various industries, showcasing the importance of innovation in technology.

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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