Tokyo, Japan

Tsuyoshi Takagi

This inventor holds 4 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Nippon Telegraph and Telephone Corporation, Nippon Paper Industries Co., Ltd.. Active years: 2001-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuyoshi Takagi. Retrieved from https://idiyas.com/inventor/tsuyoshi-takagi-nil8ajxp

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 75.0

 

Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 77(Granted Patents)


Location History:

  • Duesseldorf, DE (2005)
  • Tokyo, JP (2001 - 2013)

Company Filing History:


Years Active: 2001-2013

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4 patents (USPTO):Explore Patents

Title: Tsuyoshi Takagi: Innovator in Thermosensitive Recording Media and Digital Signature Schemes.

Introduction

Tsuyoshi Takagi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of thermosensitive recording media and digital signature technology. With a total of 4 patents to his name, Takagi's work showcases his innovative spirit and technical expertise.

Latest Patents

One of Takagi's latest patents is a thermosensitive recording medium designed to provide exceptional water resistance and superior printing run-ability. This invention addresses the challenges faced when using thermosensitive recording media outdoors. The medium features a protective layer containing an acrylic resin, which enhances its durability and performance. Another notable patent is an undeniable digital signature scheme based on a quadratic field. This efficient scheme utilizes public and secret keys generated from prime numbers, ensuring secure and verifiable digital signatures.

Career Highlights

Throughout his career, Tsuyoshi Takagi has worked with notable companies such as Nippon Telegraph and Telephone Corporation and Nippon Paper Industries Co., Ltd. His experience in these organizations has contributed to his development as an inventor and innovator.

Collaborations

Takagi has collaborated with esteemed colleagues, including Shozo Naito and Kenji Hirai. These partnerships have fostered a creative environment that has led to the advancement of his inventions.

Conclusion

Tsuyoshi Takagi's contributions to thermosensitive recording media and digital signature technology highlight his innovative capabilities. His patents reflect a commitment to enhancing technology and addressing real-world challenges.

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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