Tokyo, Japan

Tsuyoshi Katayama

This inventor holds 10 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1998-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuyoshi Katayama. Retrieved from https://idiyas.com/inventor/tsuyoshi-katayama

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 6

Forward Citations = 138(Granted Patents)


Company Filing History:


Years Active: 1998-2002

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10 patents (USPTO):Explore Patents

Title: Tsuyoshi Katayama - Innovator in Optical Disk Technology

Introduction

Tsuyoshi Katayama, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of optical disk technology. With a portfolio of 10 patents, Katayama's work primarily focuses on enhancing the functionality and efficiency of optical disk drive devices. His innovations have played a crucial role in the evolution of data storage technologies.

Latest Patents

Katayama's latest patents showcase his expertise in optical disk design. One notable invention is an optical disk drive device utilizing an optical disk that features a continuous information track formed of alternating land and groove revolutions. This invention involves dividing the disk into several annular zones, with each revolution belonging to a specific zone and subdivided into sectors. The header portion at the beginning of each sector includes several recognition patterns, which are not utilized for data or address purposes, ensuring efficient data retrieval. His optical disks may utilize a single-spiral configuration, optimizing the recording and reading processes.

Another related patent authored by Katayama further emphasizes the importance of annular zones and sector header portions, reinforcing the innovative techniques developed to improve data organization on optical disks. Both patents underline his commitment to advancing storage technology.

Career Highlights

Katayama works with Mitsubishi Electric Corporation, a leading company in technology and electronics. His position within the company has allowed him to collaborate with talented professionals and contribute to groundbreaking inventions that shape the future of data storage solutions.

Collaborations

Throughout his career, Katayama has had the pleasure of working alongside esteemed coworkers such as Masato Nagasawa and Kouichi Komawaki. These collaborations have fostered an environment of innovation, facilitating the development of advanced optical technologies.

Conclusion

Tsuyoshi Katayama remains a pivotal figure in the realm of optical disk innovation. His extensive patent portfolio, combined with his collaborative efforts at Mitsubishi Electric Corporation, highlights his dedication to improving data storage methods. His contributions not only underscore his ingenuity but also pave the way for future advancements in technology.

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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