Shiga, Japan

Tsutomu Watanabe

This inventor holds 2 USPTO granted patents. Top assignees: Du Pont Toray, Du Pont Toray Company Limited. Active years: 1998-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Watanabe. Retrieved from https://idiyas.com/inventor/tsutomu-watanabe-2mwktz7d

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 6(Granted Patents)


Location History:

  • Koka-gun, JP (1998)
  • Shiga-ken, JP (2000)

Company Filing History:


Years Active: 1998-2000

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2 patents (USPTO):Explore Patents

Title: The Innovations of Tsutomu Watanabe

Introduction

Tsutomu Watanabe is a notable inventor based in Shiga-ken, Japan. He has made significant contributions to the field of materials science, particularly in the development of polyurethane fibers. With a total of two patents to his name, Watanabe's work has had a lasting impact on various industries.

Latest Patents

Watanabe's latest patents include a process for making polyurethane fiber. This innovative process allows for the preparation of durable dry-spun polyurethane fiber that exhibits a small angle X-ray scattering pattern. The resulting fiber is particularly useful in applications such as pantyhose and undergarments. His second patent focuses on durable polyurethane fiber and the method for its manufacture, further showcasing his expertise in this area.

Career Highlights

Throughout his career, Watanabe has worked with prominent companies such as DuPont and Toray Industries. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in fiber technology.

Collaborations

Watanabe has collaborated with esteemed colleagues, including Masao Umezawa and Hideki Nakanishi. These partnerships have fostered a creative environment that has led to innovative solutions in the field of materials science.

Conclusion

Tsutomu Watanabe's contributions to the development of polyurethane fibers have established him as a key figure in the industry. His patents reflect a commitment to innovation and excellence in 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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