Kunitachi, Japan

Yutaka Matsui

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 2003-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yutaka Matsui. Retrieved from https://idiyas.com/inventor/yutaka-matsui-gzfeb9b8

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 = 5.0

ph-index = 2

Forward Citations = 38(Granted Patents)


Company Filing History:


Years Active: 2003-2005

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2 patents (USPTO):Explore Patents

Title: Yutaka Matsui: Innovator in IC Card Technology

Introduction

Yutaka Matsui is a prominent inventor based in Kunitachi, Japan. He has made significant contributions to the field of IC card technology, holding 2 patents that showcase his innovative approach to enhancing the functionality and security of smart cards.

Latest Patents

Matsui's latest patents include an IC card system and a smart card managing system. The IC card system allows a service provider to dynamically load applications into the IC card safely after its issuance. This process does not require a direct contract with the card issuer or communication with them. Instead, the card issuer provides an encryption key to a third party, enabling them to authenticate applications or act as an agent for the card issuer. The smart card managing system addresses the challenges faced when the card issuer and service provider operate separately. It assigns a unique number to the smart card issue application form, facilitating cooperation between the card issuer and the service provider.

Career Highlights

Matsui is currently employed at Hitachi, Ltd., where he continues to develop innovative solutions in the realm of smart card technology. His work has significantly impacted the way applications are managed and loaded onto IC cards, enhancing user experience and security.

Collaborations

Matsui collaborates with talented coworkers, including Akiko Sato and Yusuke Mishina, who contribute to the development of cutting-edge technologies in their field.

Conclusion

Yutaka Matsui's contributions to IC card technology demonstrate his commitment to innovation and security. His patents reflect a deep understanding of the complexities involved in smart card management, making him a key figure in this technological domain.

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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