Kanagawa, Japan

Mamoru Ishiguro

This inventor holds 6 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1984-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mamoru Ishiguro. Retrieved from https://idiyas.com/inventor/mamoru-ishiguro-3m4l1o05

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 = 2.5

ph-index = 6

Forward Citations = 157(Granted Patents)


Location History:

  • Atsugi, JP (1984 - 1985)
  • Kanagawa, JP (1985 - 1997)

Company Filing History:


Years Active: 1984-1997

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6 patents (USPTO):Explore Patents

Title: Mamoru Ishiguro: Innovator in Broadcasting Technology

Introduction

Mamoru Ishiguro is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of broadcasting technology, holding a total of 6 patents. His work has been instrumental in advancing the way broadcasting material is distributed and reproduced.

Latest Patents

Ishiguro's latest patents include a system for distributing broadcasting material and identifying segments. This innovative system allows a source station to transmit a material signal representing a series of broadcasting material segments, along with a segment data signal that contains crucial information such as the absolute start frame number of each segment and the number of frames in each segment. The system enables branch stations to receive, record, and file away the broadcasting material segments efficiently. Another notable patent is the cassette autochanger system, which automates the supply and selective reproduction of multiple cassettes. This system includes various components such as recording/reproducing devices, cassette storage locations, and a cassette transporter, all designed to enhance the user experience in managing recorded programs.

Career Highlights

Mamoru Ishiguro is currently associated with Sony Corporation, a leading company in the electronics and entertainment industry. His work at Sony has allowed him to explore and develop innovative solutions in broadcasting technology, contributing to the company's reputation for cutting-edge advancements.

Collaborations

Ishiguro has collaborated with notable coworkers such as Masato Yokota and Kazumasa Yamamura. Their combined expertise has fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Mamoru Ishiguro's contributions to broadcasting technology through his patents and work at Sony Corporation highlight his role as a key innovator in the field. His inventions continue to influence the way broadcasting material is managed and reproduced, showcasing the importance of innovation 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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