Osaka, Japan

Hirokazu Maeda

This inventor holds 1 USPTO granted patent. Top assignee: Metarex Research Institute Corp.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Maeda. Retrieved from https://idiyas.com/inventor/hirokazu-maeda-y6871g5t

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Hirokazu Maeda: Innovator in Tape Cassette Technology

Introduction

Hirokazu Maeda is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of audio technology, particularly with his innovative designs in tape cassettes. His work has paved the way for advancements in how magnetic tape is utilized in recording devices.

Latest Patents

Hirokazu Maeda holds a patent for a tape cassette that features a case accommodating magnetic tape wound around a pair of reel hubs. The design includes tape feed path openings extending through both ends of the case near its front portion, allowing for the insertion of a magnetic head. The case is constructed with a solid base portion and top and bottom plates, ensuring durability and functionality. This innovative design also includes guides to assist in the proper feeding of the magnetic tape. Maeda's patent is a testament to his ingenuity, as it enhances the usability of tape cassettes with conventional tape recorders. He has 1 patent to his name.

Career Highlights

Hirokazu Maeda is currently associated with Metarex Research Institute Corporation, where he continues to explore and develop new technologies in audio recording. His career has been marked by a commitment to innovation and excellence in engineering.

Collaborations

One of his notable collaborators is Eisuke Imanaga, with whom he has worked on various projects to enhance audio technology.

Conclusion

Hirokazu Maeda's contributions to the field of tape cassette technology highlight his role as an innovative inventor. His work continues to influence the audio recording industry, showcasing the importance of creativity and engineering in technological advancements.

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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