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For the Inventor, By the Inventor

Ehime, Japan

Akira Okuda

This inventor holds 6 USPTO granted patents. Top assignee: Toray Industries, Inc.. Active years: 1993-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Okuda. Retrieved from https://idiyas.com/inventor/akira-okuda-zbx59jfl

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

Calculating rank
USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 55(Granted Patents)


Location History:

  • Iyo, JP (1993 - 1999)
  • Ehime, JP (2000 - 2002)
  • Ehimr, JP (2001 - 2002)

Company Filing History:

goldMedal6 out of 3,586 
 
Toray Industries, Inc.
 patents

Years Active: 1993-2002

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6 patents (USPTO):Explore Patents
1. 6428892 - Carbon fibers, acrylic fibers and process for producing the acrylic fibers (2002-08-06),
2. 6368711 - Carbon fibers, acrylic fibers and process for producing the acrylic fibers (2002-04-09),
3. 6221490 - Carbon fibers, acrylic fibers and process for producing the acrylic fibers (2001-04-24),
4. 6103211 - Carbon fibers, acrylic fibers, and production processes thereof (2000-08-15),
5. 5910456 - Prepregs and carbon fiber-reinforced composite materials (1999-06-08),
6. 5227237 - Noncircular cross-section carbon fiber, process for producing the same (1993-07-13),

Title: The Innovative Journey of Inventor Akira Okuda

Introduction

Akira Okuda, an accomplished inventor hailing from Ehime, Japan, has made significant contributions to the field of materials science. With a total of six patents to his name, he has focused primarily on the development of advanced carbon and acrylic fibers, showcasing his expertise and innovative spirit.

Latest Patents

Okuda's latest patents reveal critical advancements in carbon fibers and acrylic fibers. His work discloses carbon fibers made up of multiple single filaments, particularly characterized by their remarkable tensile strength. The patents include a formula that establishes a relationship between tensile strength and the average diameter of the filaments. Specifically, they state that the tensile strength (σ) in GPa must satisfy the relation σ ≥ 11.1 - 0.75d, where 'd' represents the average diameter of the single filaments in micrometers. Furthermore, his patents introduce acrylic fibers crucial for the production of carbon fibers and outline the innovative process for producing these acrylic fibers.

Career Highlights

Throughout his career at Toray Industries, Inc., Okuda has been at the forefront of fiber technology and innovation. His work not only contributes to the advancement of carbon and acrylic fibers but also enhances the overall performance and application potential of these materials in various industries.

Collaborations

Akira Okuda's innovations have been further strengthened through collaboration with notable colleagues such as Yoji Matsuhisa and Makoto Kibayashi. These partnerships have fostered an environment of creativity and problem-solving, enabling Okuda to push the boundaries of fiber technology effectively.

Conclusion

Akira Okuda's journey in the realm of inventions is a testament to the power of innovation and collaboration. His groundbreaking patents in carbon and acrylic fibers exemplify his commitment to advancing materials science, promising a brighter future for various applications. As he continues to develop and refine his inventions, the impact of Okuda's work will undoubtedly be felt across multiple sectors.

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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