Osaka, Japan

Katsuhiro Yamanaka

This inventor holds 26 USPTO granted patents and 8 published patent applications and 16 EPO patents, primarily in Flame-Retardant Polymers. Top assignees: Teijin Limited, Teijin Chemicals Limited, Nec Corporation. Active years: 1998-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiro Yamanaka. Retrieved from https://idiyas.com/inventor/katsuhiro-yamanaka

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

USPTO Granted Patents = 26 

% Patents Active = 92.3

 

Average Co-Inventor Count = 2.5

ph-index = 5

Forward Citations = 436(Granted Patents)


Location History:

  • Chiyoda-ku, JP (2006 - 2015)
  • Tokyo, JP (1998 - 2019)
  • Osaka, JP (2017 - 2022)

Company Filing History:


Years Active: 1998-2022

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Areas of Expertise:
Flame-Retardant Resin
Polycarbonate Copolymer
Multilayer Body
Optical Film
Flameproofing Agent
Synthetic Leather
Amine Resistance
Organic Phosphorus Compound
Tactile Feedback
Visually Impaired Assistance
Radio Communication
26 patents (USPTO):Explore Patents

Title: Innovations by Katsuhiro Yamanaka: A Pioneer in Resin Technology

Introduction

Katsuhiro Yamanaka is a distinguished inventor based in Osaka, Japan, known for his innovative contributions to the field of resin compositions. With 22 patents to his name, Yamanaka has significantly advanced materials science through his pioneering work.

Latest Patents

Yamanaka's most recent patents focus on advanced resin compositions and multilayer bodies. One of his key inventions is a resin composition that includes a specific formula with a polycarbonate resin and an acrylic resin. This innovative composition boasts a single glass transition temperature ranging from 90°C to 150°C, along with exceptional transparency, chemical resistance, surface hardness, and heat resistance while maintaining a low photoelastic coefficient. Another notable patent involves a multilayer body that incorporates multiple resin layers, demonstrating remarkable adhesion properties and enhanced durability for various applications.

Career Highlights

Throughout his esteemed career, Katsuhiro Yamanaka has worked with prominent companies like Teijin Limited and Teijin Chemicals Limited. His experience in these organizations has allowed him to develop and refine technologies that impact industries ranging from electronics to construction.

Collaborations

Yamanaka's work has often involved collaboration with skilled professionals, including colleagues Kenta Imazato and Tsuyoshi Takeda. These partnerships have fostered a culture of innovation, resulting in cutting-edge products and applications that address complex challenges in materials science.

Conclusion

Katsuhiro Yamanaka exemplifies the spirit of innovation through his extensive portfolio of patents and collaborations. His contributions to resin technology not only enhance the functionality of materials but also open new avenues for research and development in various fields. As the landscape of technology continues to evolve, Yamanaka's work stands as a cornerstone in the pursuit of advanced materials excellence.

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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