Fukushima, Japan

Norio Hirayama

This inventor holds 8 USPTO granted patents and 1 published patent application and 6 EPO patents. Top assignees: Nitto Boseki Co., Ltd., Nagase Chemtex Corporation. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norio Hirayama. Retrieved from https://idiyas.com/inventor/norio-hirayama

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

USPTO Granted Patents = 8 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.6

ph-index = 3

Forward Citations = 22(Granted Patents)


Location History:

  • Koriyama, JP (2013)
  • Fukushima, JP (2014 - 2021)
  • Chiba, JP (2023)
  • Narashino, JP (2023)

Company Filing History:


Years Active: 2013-2025

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8 patents (USPTO):Explore Patents

Title: Norio Hirayama: Innovator in Glass Fiber Technology

Introduction

Norio Hirayama is a prominent inventor based in Fukushima, Japan. He has made significant contributions to the field of glass fiber technology, holding a total of 8 patents. His innovative work focuses on developing glass compositions that enhance the performance and durability of glass fibers.

Latest Patents

Hirayama's latest patents include a glass composition for glass fiber, glass fiber, glass fiber woven fabric, and glass fiber reinforced resin composition. The glass composition aims to provide biosolubility, facilitate long fiber formation, and ensure high strength even in challenging environments of water, high temperature, and humidity. The specific formulation includes 35.00 to 50.00% by mass of SiO, 12.00 to 28.00% by mass of AlO, 10.00 to 25.00% by mass of BO, 2.00 to 18.00% by mass of MgO, and 5.00 to 25.00% by mass of CaO. Additionally, the total content of MgO and CaO is maintained between 17.09 to 30.00% by mass, with a MgO/CaO ratio of 0.29 to 1.92. Another notable patent is for a surface-colored glass cloth, which features a glass cloth with a warp and weft, incorporating multiple colored portions attached to its surface.

Career Highlights

Throughout his career, Hirayama has worked with notable companies such as Nitto Boseki Co., Ltd. and Nagase Chemtex Corporation. His experience in these organizations has contributed to his expertise in glass fiber technology and innovation.

Collaborations

Hirayama has collaborated with esteemed colleagues, including Takashi Nonaka and Naohiro Miyanaga. Their joint efforts have further advanced the field of glass fiber applications.

Conclusion

Norio Hirayama's contributions to glass fiber technology exemplify his innovative spirit and dedication to enhancing material performance. His patents reflect a commitment to developing solutions that meet the demands of modern applications.

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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