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For the Inventor, By the Inventor

Tochigi, Japan

Hidehiro Sasaki

This inventor holds 25 USPTO granted patents and 1 published patent application and 5 EPO patents, primarily in Composite Materials. Top assignees: Jsp Corporation, Toyo Seat Co., Ltd.. Active years: 1991-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidehiro Sasaki. Retrieved from https://idiyas.com/inventor/hidehiro-sasaki

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

USPTO Granted Patents = 25 

% Patents Active = 80.0

 

Average Co-Inventor Count = 2.7

ph-index = 8

Forward Citations = 155(Granted Patents)


Location History:

  • Utsunomiya, JP (1991 - 1997)
  • Tochigi-ken, JP (2000 - 2009)
  • Yokkaichi, JP (2010)
  • Kawachi-gun, JP (2000 - 2015)
  • Kanuma, JP (2009 - 2017)
  • Tochigi, JP (2017 - 2023)

Company Filing History:

goldMedal25 out of 244 
 
Jsp Corporation
 patents
silverMedal1 out of 8 
 
Toyo Seat Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1991-2025

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Areas of Expertise:
Composite Molded Article
Polyolefin Resin
Expanded Polypropylene
Foamed Particles
Molding Techniques
Cured Product
Production Method
Synthetic Resin
Polypropylene Resin
Thermoplastic Resin
Laminate
Composite Particles
25 patents (USPTO):Explore Patents
1. 12503597 - Composite molded article (2025-12-23),
2. 11680148 - Composite particles, composite particle cured product, composite particle in-mold molded article, laminate, composite, and method for producing composite particles (2023-06-20),
3. 10369766 - Composite molded article, laminate, and method for producing composite molded article (2019-08-06),
4. 9650486 - Polyolefin resin particles, polyolefin resin foamed particles, and method for producing polyolefin resin foamed particles (2017-05-16),
5. 9580000 - Seat back for vehicles (2017-02-28),
6. 9023904 - Polypropylene resin foam particle and molding thereof (2015-05-05),
7. 8394867 - Polypropylene resin foamed bead and molded article therefrom (2013-03-12),
8. 7678839 - Expanded polypropylene resin beads, method of producing foam molding of expanded polypropylene resin beads and foam molding obtained by the method (2010-03-16),
9. 7560498 - Process of producing foamed molding from expanded polypropylene resin beads and process of producing expanded polypropylene resin beads (2009-07-14),
10. 7531116 - Process of producing foamed molding from expanded polypropylene resin beads (2009-05-12),
11. 7259189 - Expanded polypropylene resin beads and process for the production thereof (2007-08-21),
12. 7182896 - Composite foamed polypropylene resin molding and method of producing same (2007-02-27),
13. 6956067 - Expanded polypropylene resin bead and process of producing same (2005-10-18),
14. 6838488 - Production method of foamed polypropylene resin beads (2005-01-04),
15. 6686400 - Foamed and expanded beads of polyester-based resin and foam molding obtained therefrom (2004-02-03),

Title: The Innovative Journey of Hidehiro Sasaki

Introduction

Hidehiro Sasaki, a prominent inventor from Tochigi-ken, Japan, has made significant contributions to the field of composite materials. With a remarkable portfolio of 24 patents, his innovative work focuses on the development of advanced composite particles and molded articles, pushing the boundaries of material science.

Latest Patents

Sasaki's latest patents include groundbreaking advancements in composite particles and molded articles. These inventions explore the integration of reinforcing fibers with thermoplastic resin expanded beads through a unique method involving a thermosetting resin in an uncured state. This process results in composite particles that enhance the structural integrity of molded products. Notably, he has developed composite molded articles utilizing aliphatic polyester-based resin expanded beads, showcasing improved strength characteristics through a specific flexural modulus and density ratio.

Career Highlights

Throughout his career, Hidehiro Sasaki has been associated with leading companies such as JSP Corporation and Toyo Seat Co., Ltd. His role in these organizations has been instrumental in promoting innovation in composite technology, allowing for the practical application of his patented inventions in various industrial sectors.

Collaborations

Sasaki has collaborated with talented colleagues including Hisao Tokoro and Akinobu Hira, contributing to a dynamic environment of research and development. Their collective efforts have fostered advancements in composite materials, leading to a series of patents that address modern engineering challenges.

Conclusion

Hidehiro Sasaki’s inventive spirit and dedication to material science have established him as a notable figure within the field of composites. His extensive patent portfolio reflects a commitment to innovation, ensuring that his contributions will have lasting impacts on future developments in this area.

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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