Yokosuka, Japan

Kazutaka Sakita

This inventor holds 3 USPTO granted patents. Top assignee: Nippon Telegraph and Telephone Corporation. Active years: 1995-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazutaka Sakita. Retrieved from https://idiyas.com/inventor/kazutaka-sakita

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 = 6.0

ph-index = 3

Forward Citations = 272(Granted Patents)


Company Filing History:


Years Active: 1995-1996

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3 patents (USPTO):Explore Patents

Title: Kazutaka Sakita: Innovator in IC Card Technology

Introduction

Kazutaka Sakita is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of electronic payment systems, particularly through his work on integrated circuit (IC) cards. With a total of 3 patents to his name, Sakita has demonstrated a commitment to advancing technology in this area.

Latest Patents

One of Sakita's latest patents is a method and apparatus for the settlement of accounts by IC cards. This innovation involves an IC card that contains a card information memory area, which includes a master public key, card secret keys, a card public key, a card identification number, and a master digital signature. The IC card terminal also has a memory area with similar information. When the IC card is inserted into the terminal, it sends data to verify its identity and the validity of the transaction. This process ensures secure communication between the card and the terminal, enabling efficient service provision.

Career Highlights

Kazutaka Sakita is currently employed at Nippon Telegraph and Telephone Corporation, where he continues to work on innovative technologies. His expertise in IC card systems has positioned him as a key player in the development of secure payment solutions.

Collaborations

Sakita has collaborated with notable colleagues, including Ginya Ishiguro and Toshiyasu Muta. These partnerships have contributed to the advancement of technology in their respective fields.

Conclusion

Kazutaka Sakita's work in IC card technology exemplifies the impact of innovation on modern payment systems. His patents reflect a dedication to enhancing security and efficiency in electronic transactions.

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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