Ehime, Japan

Hiroaki Sakata

This inventor holds 23 USPTO granted patents and 5 published patent applications and 16 EPO patents, primarily in Epoxy Resin Composites. Top assignees: Toray Industries, Inc., Toray Fine Chemicals Co., Ltd.. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Sakata. Retrieved from https://idiyas.com/inventor/hiroaki-sakata

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

USPTO Granted Patents = 23 

% Patents Active = 78.3

 

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 39(Granted Patents)


Location History:

  • Tacoma, WA (US) (2014 - 2017)
  • Iyo-gun, JP (2016 - 2021)
  • Ehime, JP (2012 - 2023)

Company Filing History:


Years Active: 2012-2026

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Areas of Expertise:
Epoxy Resin Composition
Prepreg
Fiber-Reinforced Composite
Carbon Fiber
Heat-Curable Resin
Benzoxazine Resin
Cured Resin Product
Manufacturing Method
Slit Tape Prepreg
High-Purity Epoxy
Composite Material
23 patents (USPTO):Explore Patents

Title: The Innovations of Hiroaki Sakata: Pioneering Developments in Prepreg Technology

Introduction: Hiroaki Sakata is a distinguished inventor based in Ehime, Japan, known for his impressive portfolio of 18 patents. His innovations primarily focus on advanced materials, particularly in the field of prepreg technology. With a foundation in chemical engineering and materials science, Sakata has dedicated his career to enhancing the properties of prepregs, ensuring they meet the demands of high-performance applications.

Latest Patents: Among Sakata's notable inventions are two recent patents that highlight his expertise in prepreg technology. The first patent covers a prepreg method that boasts excellent processability and handleability, allowing for the production of cured products with high heat resistance. This innovation also outlines a method for industrial production, free from constraints posed by the types and contents of matrix resin components. The prepreg comprises essential components including carbon fiber, epoxy resin, curing agents, and thermoplastic resin, all critical for achieving optimal material performance.

The second patent emphasizes an epoxy resin composition that offers significant viscosity stability and enhanced flame retardancy. This composition facilitates the creation of fiber-reinforced composite materials, known for their superior mechanical properties when cured. Key elements of this resin include a reactive diluent, a multifunctional epoxy resin, and a specific amine-based curing agent, all designed to elevate the performance standards of prepregs in various applications.

Career Highlights: Hiroaki Sakata has been an influential figure in the materials industry, with significant contributions at Toray Industries, Inc. and Toray Fine Chemicals Co., Ltd. His work in these leading companies has positioned him at the forefront of innovation in composite materials, particularly in developing high-performance prepregs for diverse industries.

Collaborations: Throughout his career, Sakata has collaborated with esteemed professionals, including Atsuhito Arai and Hiroshi Taiko. These collaborations have fostered an environment of creativity and innovation, allowing for the cross-pollination of ideas that drive advancements in prepreg technology.

Conclusion: Hiroaki Sakata’s contributions to the field of prepregs and composite materials exemplify his commitment to innovation and excellence. His recent patents reflect a deep understanding of material properties and a dedication to advancing technology in high-performance applications. As he continues to push the boundaries of material science, Sakata remains a pivotal figure in the evolution of prepreg 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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