Yokohama, Japan

Jotaro Nagao

This inventor holds 4 USPTO granted patents and 1 published patent application and 5 EPO patents. Top assignees: Toyo Seikan Kaisha, Ltd., Toyo Seikan Group Holdings, Ltd.. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jotaro Nagao. Retrieved from https://idiyas.com/inventor/jotaro-nagao

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

USPTO Granted Patents = 4 

% Patents Active = 50.0

 

Average Co-Inventor Count = 3.4

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Yokohama, JP (2012 - 2014)
  • Kanagawa, JP (2014)

Company Filing History:


Years Active: 2012-2026

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4 patents (USPTO):Explore Patents

Title: **Jotaro Nagao: Innovator in Compression-Molding Technology**

Introduction

Jotaro Nagao, a distinguished inventor based in Yokohama, Japan, is recognized for his contributions to the field of compression-molding technology. With three patents to his name, Nagao's inventions focus on enhancing the efficiency and effectiveness of synthetic resin molding processes.

Latest Patents

Nagao's innovative spirit is reflected in his latest patents, which address key challenges in the compression-molding sector. His first patent, titled "Compression-molding apparatus and compression-molding method," aims to suppress the deviation of synthetic resin during the molding process. This invention includes a unique female mold that effectively guides the synthetic resin, ensuring it is easily molded into the desired shape.

The second patent, "Method of feeding composite molten resin and apparatus for feeding the same," introduces a sophisticated method for feeding composite molten resins, facilitating the creation of multi-layer preforms. This innovative apparatus features a nozzle with an outer discharge port and an inner discharge port, allowing for the simultaneous flow of different types of molten resins. This advancement is crucial for industries requiring precise and multi-layered molded components.

Career Highlights

Nagao has made significant strides in his career while working at Toyo Seikan Kaisha, Ltd. His dedication to improving compression-molding technology underscores his commitment to innovation in manufacturing processes. His contributions have not only advanced his company's capabilities but have also impacted the broader industry.

Collaborations

Throughout his career, Nagao has had the pleasure of collaborating with notable coworkers such as Norihisa Hirota and Yutaka Asano. These partnerships have fostered a creative environment conducive to innovation, where ideas can flourish and lead to practical solutions in the compression-molding field.

Conclusion

Jotaro Nagao's inventive achievements in compression-molding technology demonstrate his prowess as an inventor. His recent patents reveal a forward-thinking approach to solving industry challenges and enhancing manufacturing efficiency. As he continues to develop innovative solutions, his work remains invaluable to the field of synthetic resin molding.

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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