Odawara, Japan

Shoichiro Tohyama

This inventor holds 1 USPTO granted patent. Top assignees: Hitachi, Ltd., Tokico, Ltd.. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoichiro Tohyama. Retrieved from https://idiyas.com/inventor/shoichiro-tohyama

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 = 6.0

ph-index = 1

Forward Citations = 55(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: The Innovations of Shoichiro Tohyama

Introduction

Shoichiro Tohyama is a notable inventor based in Odawara, Japan. He has made significant contributions to the field of disk drive technology. His innovative work has led to the development of a patented disk apparatus that enhances data reading and writing processes.

Latest Patents

Tohyama holds a patent for a disk apparatus that includes a magnetic disk system. This system accurately positions read/write heads for reading data from and writing data on tracks on a rotary disk. The apparatus operates based on servo data written in the servo area of the data surface. The disk controller plays a crucial role in controlling the mode of operation of the disk apparatus. The patent details the generation of index signals that indicate the start and end of the servo area, which are essential for the accurate functioning of the disk drive.

Career Highlights

Throughout his career, Shoichiro Tohyama has worked with prominent companies such as Hitachi, Ltd. and Tokico, Ltd. His experience in these organizations has contributed to his expertise in disk drive technology and innovation.

Collaborations

Tohyama has collaborated with notable individuals in his field, including Akira Ishibashi and Kazutoshi Kato. These collaborations have likely influenced his work and contributed to advancements in technology.

Conclusion

Shoichiro Tohyama's contributions to disk drive technology through his patent and career experiences highlight his role as an influential inventor. His work continues to impact the field of data storage and retrieval.

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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