Chiba, Japan

Eiji Ohtsubo

This inventor holds 3 USPTO granted patents. Top assignee: Mitsui Chemicals, Inc.. Active years: 2002-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Ohtsubo. Retrieved from https://idiyas.com/inventor/eiji-ohtsubo

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


% Patents Active = 33.3

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 4(Granted Patents)


Location History:

  • Aichi, JP (2002)
  • Sodegaura, JP (2007)
  • Chiba, JP (2012)

Company Filing History:


Years Active: 2002-2012

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3 patents (USPTO):Explore Patents

Title: Eiji Ohtsubo: Innovator in Resin Composition and Metal Laminate Technology

Introduction

Eiji Ohtsubo is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of materials science, particularly in the development of resin compositions and metal laminates. With a total of 3 patents to his name, Ohtsubo continues to push the boundaries of innovation in his industry.

Latest Patents

Ohtsubo's latest patents include a resin composition and a polyimide metal laminate. The resin composition comprises a polyimide resin composition or precursor derived from an acid dianhydride component and a diamine component. This innovative formulation includes a bismaleimide compound, enhancing the material's properties. The polyimide metal laminate features at least one resin layer produced from a silica-dispersed polyimide composition, which is obtained by reacting alkoxysilane with an amino-containing compound in the presence of water.

Career Highlights

Eiji Ohtsubo is currently employed at Mitsui Chemicals, Inc., where he applies his expertise in materials science to develop cutting-edge technologies. His work has been instrumental in advancing the applications of polyimide materials in various industries.

Collaborations

Ohtsubo collaborates with talented colleagues, including Kazuyuki Fukuda and Toshihiko Takaki. Together, they contribute to the innovative projects at Mitsui Chemicals, Inc., fostering a collaborative environment that encourages creativity and technological advancement.

Conclusion

Eiji Ohtsubo is a notable inventor whose work in resin compositions and metal laminates has made a significant impact in materials science. His contributions continue to inspire innovation and development 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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