Gifu, Japan

Tateo Toyama

This inventor holds 5 USPTO granted patents. Top assignees: Sanyo Electric Co., Ltd., Nippon Hoso' Kyokai. Active years: 1990-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tateo Toyama. Retrieved from https://idiyas.com/inventor/tateo-toyama

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 = 4.8

ph-index = 4

Forward Citations = 106(Granted Patents)


Location History:

  • Osaka, JP (1991)
  • Gifu, JP (1990 - 1998)

Company Filing History:


Years Active: 1990-1998

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5 patents (USPTO):Explore Patents

Title: The Innovations of Tateo Toyama

Introduction

Tateo Toyama is a notable inventor based in Gifu, Japan. He has made significant contributions to the field of optical technology, holding a total of 5 patents. His work primarily focuses on optical disc readout apparatuses and audio data recording systems.

Latest Patents

One of Toyama's latest inventions is an optical disc readout apparatus. This apparatus adjusts an optical system that directs the laser beam output from a laser diode to the objective, depending on the thickness of the optical disc. It effectively focuses the laser beam onto the information-bearing surface of the disc through the collaboration of the adjusted optical system with the objective. The adjustment can be achieved by advancing or retreating a correction lens within the optical path. Another significant invention is an audio data recording/reproducing apparatus that intermittently records and reproduces compressed digital audio data. This system allows for high-speed dubbing of digital audio data without increasing the rotation speed of the disc, utilizing two apparatuses for continuous reproduction and recording.

Career Highlights

Throughout his career, Tateo Toyama has worked with prominent companies such as Sanyo Electric Co., Ltd. and Nippon Hoso' Kyokai. His experience in these organizations has contributed to his expertise in optical technologies and audio data systems.

Collaborations

Toyama has collaborated with notable coworkers, including Hiroshi Watanabe and Toshiaki Hioki. Their combined efforts have further advanced the innovations in optical and audio technologies.

Conclusion

Tateo Toyama's contributions to optical technology and audio data systems have made a significant impact in his field. His inventions continue to influence the development of advanced technologies in Japan and beyond.

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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