Tsukuba, Japan

Yoshihiro Nagatsuka

This inventor holds 5 USPTO granted patents. Top assignees: Agency of Industrial Science and Technology, Agency of Industrial Science and Technology Ministry of International, Ministry of International Trade & Industry. Active years: 1986-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Nagatsuka. Retrieved from https://idiyas.com/inventor/yoshihiro-nagatsuka

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 = 2.4

ph-index = 3

Forward Citations = 75(Granted Patents)


Location History:

  • Ibaraki, JP (1986)
  • Tsukuba, JP (1991 - 1999)

Company Filing History:


Years Active: 1986-1999

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5 patents (USPTO):Explore Patents

Title: Innovations of Yoshihiro Nagatsuka

Introduction

Yoshihiro Nagatsuka is a notable inventor based in Tsukuba, Japan. He has made significant contributions to the field of composite materials, holding a total of 5 patents. His work focuses on innovative methods for producing composite materials that enhance their properties and applications.

Latest Patents

Nagatsuka's latest patents include a method for the production of composite material and a method for the production of material for composite articles. The first patent describes a process for creating a completely impregnated composite material with a thermosetting resin coating. This method involves the use of a roller to mix thermoplastic resin fibers and reinforcing fibers, forming a composite mat that is thermally compressed and solidified. The resulting material features minute voids and can be further processed to create a foam composite material. The second patent outlines a method for producing a fiber-reinforced composite article, utilizing a belt and fiber-separating device to create a mat with varying fiber ratios.

Career Highlights

Throughout his career, Nagatsuka has worked with the Agency of Industrial Science and Technology and the Ministry of International Trade and Industry. His expertise in composite materials has positioned him as a key figure in advancing technology in this area.

Collaborations

Nagatsuka has collaborated with notable individuals such as Takeshi Kitano and Kenji Fukuta, contributing to various projects that leverage their combined expertise in the field.

Conclusion

Yoshihiro Nagatsuka's innovative work in composite materials has led to significant advancements in the industry. His patents reflect a deep understanding of material science and a commitment to enhancing the performance of composite products.

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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