Otsu, Japan

Hirosaku Nagano

This inventor holds 20 USPTO granted patents, primarily in Polymer Technology. Top assignees: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Kanegafuchi Chemical Ind. Co., Ltd., Kaneka Corporation. Active years: 1982-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirosaku Nagano. Retrieved from https://idiyas.com/inventor/hirosaku-nagano

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


% Patents Active = 90.0

Average Co-Inventor Count = 3.6

ph-index = 7

Forward Citations = 138(Granted Patents)


Location History:

  • Kobe, JP (1982 - 1984)
  • Ootsu, JP (1989 - 1992)
  • Ohtsu, JP (1988 - 1997)
  • Otsu, JP (1997 - 2006)
  • Shiga, JP (2007)

Company Filing History:


Years Active: 1982-2007

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Areas of Expertise:
Multilayer Structure
Polymer Electrolyte
Fuel Cell
Copper Foil
Adhesive Properties
Thermoplastic Polyimide
Flexible Printed Circuit Board
Heat Resistant Resin
Polyamide-Imide
Thermosetting Resin
Manufacturing Method
Dimensional Stability
20 patents (USPTO):Explore Patents

Title: Hirosaku Nagano: Innovator in Multilayer Structures and Solid Polymer Electrolytes

Introduction

Hirosaku Nagano, an esteemed inventor based in Otsu, Japan, holds an impressive record of 20 patents. His innovative contributions are particularly notable in the fields of multilayer structures and solid polymer electrolytes, showcasing a blend of advanced materials and engineering.

Latest Patents

Among Nagano's latest patents is a revolutionary multilayer structure and multilayer wiring board. This invention consists of a conductor layer, an adhesive layer, and a polymer film layer interposed between them. The design aims to enhance electrical properties while ensuring durability, with features including high heat resistance, narrow pitch wiring patterns, and stable adhesiveness. Another significant patent focuses on a solid polymer electrolyte membrane and a solid polymer electrolyte fuel cell. It enables effective assembly even when using different materials for the membrane and the catalytic layer, showcasing Nagano's expertise in fuel cell technology.

Career Highlights

Throughout his career, Hirosaku Nagano has contributed to innovative research and development at Kanegafuchi Kagaku Kogyo Kabushiki Kaisha and Kanegafuchi Chemical Ind. Co., Ltd. His work in these companies has positioned him as a vital player in the fields of materials science and electrical engineering.

Collaborations

Nagano has collaborated with notable coworkers, including Hideki Kawai and Hiroyuki Furutani. Their combined expertise has led to advancements in patentable technologies, paving the way for future innovations.

Conclusion

Hirosaku Nagano's patents not only reflect his inventive spirit but also his commitment to enhancing technological capabilities in multilayer structures and polymer electrolytes. His ongoing contributions to the field continue to inspire future innovations in engineering and materials science.

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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