Kanagawa, Japan

Toshiro Ohta

This inventor holds 5 USPTO granted patents. Top assignees: Sony Corporation, Hewlett-Packard Company. Active years: 1982-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiro Ohta. Retrieved from https://idiyas.com/inventor/toshiro-ohta

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 = 1.9

ph-index = 4

Forward Citations = 21(Granted Patents)


Location History:

  • Tokyo, JP (1982)
  • Kanagawa, JP (1988 - 1991)

Company Filing History:


Years Active: 1982-1991

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5 patents (USPTO):Explore Patents

Title: Toshiro Ohta: Innovator in Disk Drive Technology

Introduction

Toshiro Ohta is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of disk drive technology, holding a total of 5 patents. His innovative designs have improved the functionality and efficiency of disk recording and reproducing apparatuses.

Latest Patents

One of Ohta's latest patents is a disk drive assembly with an auto-ejector driven by the assembly motors. This invention incorporates an auto-ejector that is powered by the disk driving motor and the head driving motor, eliminating the need for additional devices solely for the ejector. Another significant patent is for a disk-drive-compatible magnetic tape cartridge, which features a tape guide that accurately positions the magnetic tape in relation to the disk drive head. This design allows for high-density recording by maintaining a precise distance between the positioning section and the guide section.

Career Highlights

Throughout his career, Toshiro Ohta has worked with prominent companies such as Sony Corporation and Hewlett-Packard Company. His work in these organizations has allowed him to develop and refine his innovative ideas in disk drive technology.

Collaborations

Ohta has collaborated with notable individuals in the field, including Richard H. Henze and Charles H. McConica. These collaborations have contributed to the advancement of technology in disk drives and related areas.

Conclusion

Toshiro Ohta's contributions to disk drive technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future innovations in disk recording and reproducing technologies.

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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