Hadano, Japan

Takuo Ishizuka

This inventor holds 5 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1985-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuo Ishizuka. Retrieved from https://idiyas.com/inventor/takuo-ishizuka

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

Calculating rank

% Patents Active = 60.0

Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 67(Granted Patents)


Company Filing History:


Years Active: 1985-2008

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5 patents (USPTO):Explore Patents

Title: Takuo Ishizuka: Innovator in Fingerprint Authentication Technology

Introduction

Takuo Ishizuka is a notable inventor based in Hadano, Japan. He has made significant contributions to the field of fingerprint identification systems. With a total of 5 patents to his name, Ishizuka's work focuses on enhancing security through innovative technology.

Latest Patents

One of Ishizuka's latest patents is an advanced authentication system by fingerprint. This system comprises an IC card that features tamper-resistance, along with a reader/writer that also has tamper-resistance capabilities for reading and writing information to and from the IC card. In this system, a fingerprint image is captured by a fingerprint input unit and is preprocessed in a preprocessing unit. The extracted intermediate information is then transmitted to the IC card, which compares it with the stored fingerprint information. Upon matching, the system generates authentication information that can be used for electronic authentication. This innovative fingerprint identification system offers a high level of safety while also reducing costs.

Career Highlights

Takuo Ishizuka is currently employed at Hitachi, Ltd., where he continues to develop cutting-edge technologies. His work has significantly impacted the field of electronic authentication, making it more secure and efficient.

Collaborations

Ishizuka has collaborated with notable colleagues, including Masahiro Mimura and Yoichi Seto. Their combined expertise has contributed to the advancement of fingerprint identification technologies.

Conclusion

Takuo Ishizuka's contributions to fingerprint authentication technology exemplify the importance of innovation in enhancing security measures. His work continues to influence the industry and pave the way for future advancements.

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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