Tokyo, Japan

Kenji Hirano

This inventor holds 4 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Mitsubishi Chemical Corporation, Mitsubishi Electric Corporation. Active years: 2020-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Hirano. Retrieved from https://idiyas.com/inventor/kenji-hirano-8e7zbdbw

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 25.0

 

Average Co-Inventor Count = 3.8

ph-index = 1


Location History:

  • Tokyo, JP (2020)
  • Chiyoda-ku, JP (2024)

Company Filing History:


Years Active: 2020-2026

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4 patents (USPTO):Explore Patents

Title: Kenji Hirano: Innovator in Carbon Fiber Technology

Introduction

Kenji Hirano, based in Chiyoda-ku, Japan, is a prominent inventor known for his significant contributions to the field of materials science. With one patent to his name, Hirano has made strides in the development of carbon fiber technologies that hold promise for various industrial applications. His work is particularly noteworthy due to its potential to enhance the properties of carbon fibers used in a range of products.

Latest Patents

Hirano’s patent titled "Carbon fiber precursor acrylic fiber, carbon fiber, and method for producing same" presents innovative techniques for producing carbon fiber with specific surface characteristics. The first aspect of this invention describes carbon fibers where the surface of a monofilament displays a center line average roughness ranging from 6.0 nm to 13 nm, while maintaining a long diameter/short diameter ratio between 1.11 and 1.245. The second aspect introduces carbon fiber precursor acrylic fibers, which have a surface roughness between 18 nm and 27 nm under the same dimensional ratio constraints. The method for producing the carbon fiber involves precise stabilizing and carbonizing processes applied to the precursor fibers, illustrating Hirano's technical expertise in material composition and manufacturing methods.

Career Highlights

Kenji Hirano has established a reputable career at Mitsubishi Chemical Corporation, where he employs his skills in innovation and research. His dedication to advancing material sciences is evident through his patented work and ongoing contributions to the corporation's projects. His role at Mitsubishi Chemical Corporation strengthens the company's position in the competitive fields of chemical engineering and advanced materials.

Collaborations

Throughout his career, Hirano has collaborated with esteemed colleagues, including Naomasa Matsuyama and Yuutarou Nakamura. These partnerships reflect a commitment to collective innovation and knowledge sharing within the field. By working with other talented researchers, Hirano continues to push the boundaries of what is possible in carbon fiber technology.

Conclusion

In summary, Kenji Hirano's innovative work in carbon fiber and his patent achievements signify his important role in the advancement of material sciences. His collaboration with other skilled professionals at Mitsubishi Chemical Corporation enhances the potential for groundbreaking developments in this area. As industries increasingly seek lightweight and high-strength materials, Hirano's contributions are likely to have a lasting impact on technology and manufacturing practices.

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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