Nagaoka, Japan

Nobuyuki Sakadume

This inventor holds 3 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Hokuetsu Paper Mills, Ltd., Hokuetsu Corporation, Nikki-Universal Co., Ltd.. Active years: 2009-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Sakadume. Retrieved from https://idiyas.com/inventor/nobuyuki-sakadume

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

 

Average Co-Inventor Count = 3.5

ph-index = 2

Forward Citations = 36(Granted Patents)


Location History:

  • Nagaoka, JP (2009 - 2014)
  • Tokyo, JP (2019)

Company Filing History:


Years Active: 2009-2019

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3 patents (USPTO):Explore Patents

Title: Nobuyuki Sakadume: Innovator in Nonwoven Fabric Technology

Introduction

Nobuyuki Sakadume is a prominent inventor based in Nagaoka, Japan. He has made significant contributions to the field of nonwoven fabric technology, holding three patents that showcase his innovative approaches. His work primarily focuses on methods for producing high-quality nonwoven fabrics for various applications.

Latest Patents

Sakadume's latest patents include a method for producing a wet-laid nonwoven fabric designed for a semipermeable membrane supporting body. This method involves a unique papermaking process using a fiber slurry that contains synthetic fibers as the main constituent. The process includes drying the fiber slurry and subjecting the dried sheet to hot press processing, ensuring optimal conditions for fabric quality. Another notable patent is for a filter medium for liquid filtration, which is characterized by its fine texture and high strength when wetted with water. This filter medium is comprised of a wet-laid nonwoven fabric blended with natural fibers, resulting in exceptional performance in liquid filtration applications.

Career Highlights

Throughout his career, Nobuyuki Sakadume has worked with reputable companies such as Hokuetsu Paper Mills and Hokuetsu Corporation. His experience in these organizations has allowed him to refine his expertise in nonwoven fabric technology and contribute to advancements in the industry.

Collaborations

Sakadume has collaborated with notable colleagues, including Toshihiko Soyama and Eiko Meguro. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Nobuyuki Sakadume's contributions to nonwoven fabric technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in material science and filtration technologies.

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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