Fukuoka, Japan

Masakatsu Matsuo

This inventor holds 21 USPTO granted patents and 4 published patent applications and 6 EPO patents, primarily in Cryptographic Systems. Top assignees: Panasonic Intellectual Property Management Co., Ltd., Panasonic Corporation, Matsushita Electric Industrial Co., Ltd.. Active years: 2007-2026.

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

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

USPTO Granted Patents = 21 

% Patents Active = 71.4

 

Average Co-Inventor Count = 1.4

ph-index = 3

Forward Citations = 66(Granted Patents)


Company Filing History:


Years Active: 2007-2026

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Areas of Expertise:
Secret Sharing
Authentication
Image Processing
Communication System
Encryption
Signature Verification
Key Management
Confidential Communication
Cryptographic Apparatus
Data Restoration
Secure Storage
21 patents (USPTO):Explore Patents

Title: Innovations of Masakatsu Matsuo: Pioneering Signature Technologies

Introduction

Masakatsu Matsuo, based in Fukuoka, Japan, is a prolific inventor with a remarkable portfolio of 20 patents. His contributions to the field of signature generation and verification demonstrate a deep understanding of security systems and data correlation.

Latest Patents

Matsuo's latest innovations include several key patents focused on signature technologies. These are:

1. **Signature Generation Device**: This device acquires multiple related data pieces, utilizing a signature generator that produces first signature data along with correlation information, indicating the relationships among these data sets.

2. **Signature Verification Device**: Designed to work in tandem with the signature generation device, it ensures the relevance of data and enhances authenticity checks.

3. **Signature Generation Method**: This method outlines the process for creating signature data, emphasizing improved security through data correlation.

4. **Signature Verification Method**: It describes the procedure for verifying signatures based on the previously generated data, thereby securing the authentication process.

5. **Authentication System and Method**: This system includes a terminal and server setup where the terminal generates one-time passwords based on time information, ensuring a secure transmission of request information by utilizing encrypted data.

Career Highlights

Matsuo has made significant strides in the corporate landscape, working at notable companies including Panasonic Intellectual Property Management Co., Ltd. and Panasonic Corporation. His work there has furthered advancements in security technologies and intellectual property management.

Collaborations

Throughout his career, Matsuo has collaborated with esteemed colleagues such as Saburo Toyonaga and Hiroyuki Tanaka. These partnerships have enriched his innovative projects and contributed to the development of cutting-edge technologies in the field.

Conclusion

Masakatsu Matsuo’s contributions to signature generation and verification systems have established him as a leading figure in security technologies. His innovative methods and devices reflect a commitment to enhancing data integrity and user authentication, making a significant impact within the industry.

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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