Kanagawa, Japan

Yoko Matsuzawa

This inventor holds 2 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoko Matsuzawa. Retrieved from https://idiyas.com/inventor/yoko-matsuzawa

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 = 3.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1996

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2 patents (USPTO):Explore Patents

Title: Yoko Matsuzawa: Innovator in Optical Information Recording

Introduction

Yoko Matsuzawa is a prominent inventor based in Kanagawa, Japan. She has made significant contributions to the field of optical information recording, holding a total of 2 patents. Her work focuses on developing advanced optical recording mediums that enhance data storage and retrieval processes.

Latest Patents

Matsuzawa's latest patents include an innovative optical information recording medium and an optical recording method. The optical information recording medium features a transparent substrate with pits and lands that correspond to information signals. It also includes a reflective layer composed mainly of a dye material and a polymeric material, achieving a reflectance of 15 to 25%. The polymeric material used in the reflective layer is a silicon varnish.

The optical recording method involves a recording layer capable of optically recording and reproducing information on a substrate. This method records information using a light beam with a wavelength shorter than that of the replay light beam. The film thickness of the recording layer is designed to meet specific criteria, ensuring high reliability and superior recording/reproducing characteristics.

Career Highlights

Matsuzawa is currently employed at Sony Corporation, where she continues to push the boundaries of optical technology. Her work has been instrumental in advancing the capabilities of optical recording mediums, making them more efficient and reliable.

Collaborations

Throughout her career, Matsuzawa has collaborated with notable colleagues, including Shin-Ichiro Tamura and Takashi Iwamura. These collaborations have contributed to the development of innovative technologies in the field of optical information recording.

Conclusion

Yoko Matsuzawa is a trailblazer in the realm of optical information recording, with her patents reflecting her commitment to innovation. Her contributions to Sony Corporation and the field at large underscore her importance as an inventor.

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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