Hamamatsu, Japan

Masakatsu Nishigaki

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Hitachi, Ltd.. Active years: 2008-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakatsu Nishigaki. Retrieved from https://idiyas.com/inventor/masakatsu-nishigaki

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


% Patents Active = 50.0

 

Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 63(Granted Patents)


Company Filing History:


Years Active: 2008-2017

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2 patents (USPTO):Explore Patents

Title: **Masakatsu Nishigaki: Innovator in Digital Signature Technology**

Introduction

Masakatsu Nishigaki, an innovative inventor based in Hamamatsu, Japan, has made significant contributions to the field of digital signature technology. With a focus on securing electronic transactions, Nishigaki holds two notable patents that enhance the integrity and verification of electronic documents.

Latest Patents

Nishigaki's latest patents demonstrate his expertise in signature generation and verification systems. The first patent, titled "Signature generation and verification system and signature verification apparatus," introduces a system that generates a digital signature based on signer's certification information. This system not only creates a digital signature and verification data for electronic documents but also verifies the authenticity of the documents through an intricate verification process. The signature verification apparatus is designed to validate signatures without the signer's knowledge of their certification information, ensuring robust user identification.

His second patent, "Unique code generating apparatus, method, program, and recording medium," outlines a method for generating unique codes based on biometric information. This innovation employs statistical analysis to create a unique value for each user's biometric features, enhancing security in user authentication processes.

Career Highlights

Nishigaki is currently associated with Hitachi, Ltd., where he continues to push the boundaries of technology and security. His work has been instrumental in developing advanced systems that address current challenges in digital authentication and signature verification.

Collaborations

In his pursuit of innovation, Nishigaki collaborates with talented individuals such as Kenta Takahashi and Masahiro Mimura. Together, they form a formidable team that combines expertise and creativity to drive advancements in technology.

Conclusion

Masakatsu Nishigaki's contributions to the fields of signature generation and verification systems highlight the importance of innovation in securing digital communications. His work not only enhances security measures but also paves the way for future advancements in biometric authentication. As digital transactions continue to shape our world, innovators like Nishigaki are crucial in ensuring their integrity and security.

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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