Hamamatsu, Japan

Seiji Matsumoto

This inventor holds 4 USPTO granted patents. Top assignee: Yamaha Corporation. Active years: 1991-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Matsumoto. Retrieved from https://idiyas.com/inventor/seiji-matsumoto-wtbgiwcf

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 = 1.6

ph-index = 4

Forward Citations = 165(Granted Patents)


Company Filing History:


Years Active: 1991-2002

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4 patents (USPTO):Explore Patents

Title: Seiji Matsumoto: Innovator in Digital Recording Technology

Introduction

Seiji Matsumoto is a prominent inventor based in Hamamatsu, Japan. He has made significant contributions to the field of digital recording technology, holding a total of four patents. His work focuses on enhancing the capabilities of digital recording apparatuses, particularly in relation to copy control and electronic watermarking.

Latest Patents

Matsumoto's latest patents include a digital recording apparatus and method that allows for the digital recording of analog signals containing picture and/or voice information. This apparatus is designed to receive analog signals through an analog transmission line and digitally record them while incorporating electronic watermark information. The system is capable of adding copy control information to ensure that unauthorized copying is prevented. Additionally, he has developed methods for controlling the copying of digital data from recording media, ensuring that only authenticated devices can transmit and receive data.

Career Highlights

Seiji Matsumoto is currently employed at Yamaha Corporation, where he continues to innovate in the field of digital technology. His work has been instrumental in advancing the capabilities of digital recording systems, making them more secure and efficient. His patents reflect a deep understanding of both the technical and practical aspects of digital media.

Collaborations

Matsumoto has collaborated with notable colleagues such as Masamichi Furukawa and Katsuichi Osakabe. These partnerships have contributed to the development of cutting-edge technologies in the digital recording space.

Conclusion

Seiji Matsumoto's contributions to digital recording technology have established him as a key figure in the industry. His innovative patents and collaborations continue to shape the future of digital media.

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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