Nara, Japan

Kentaroh Tsuji

This inventor holds 5 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1989-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kentaroh Tsuji. Retrieved from https://idiyas.com/inventor/kentaroh-tsuji

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 = 5.5

ph-index = 3

Forward Citations = 38(Granted Patents)


Company Filing History:


Years Active: 1989-1991

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5 patents (USPTO):Explore Patents

Title: Kentaroh Tsuji: Innovator in Optical Recording Technologies

Introduction

Kentaroh Tsuji is a notable inventor based in Nara, Japan. He has made significant contributions to the field of optical recording technologies, holding a total of 5 patents. His work focuses on methods and systems that enhance the efficiency and functionality of information recording disks.

Latest Patents

One of Tsuji's latest patents is a method for controlling the rotational velocity of an information recording disk. This method involves measuring the time during which patterns pass and detecting marks based on these measurements. By controlling the rotational velocity of the disk, Tsuji's innovation ensures a constant linear velocity of the detected marks. Another significant patent is an optical recording medium track indexing system. This system features a plurality of elongated parallel tracks, each containing a nonerasable index portion. These index portions are formed by indentations that represent the absolute address of each track, allowing for efficient information recording across the entire surface of the medium.

Career Highlights

Kentaroh Tsuji is associated with Sharp Corporation, where he has been instrumental in developing advanced optical technologies. His work has not only contributed to the company's innovation portfolio but has also impacted the broader field of data storage and retrieval.

Collaborations

Tsuji has collaborated with notable colleagues such as Shigeo Terashima and Hiroshi Fuji. Their combined expertise has fostered advancements in optical recording technologies, further enhancing the capabilities of the systems they develop.

Conclusion

Kentaroh Tsuji's contributions to optical recording technologies exemplify the spirit of innovation. His patents reflect a commitment to improving data storage methods, making a lasting impact on 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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