Miyagi, Japan

Masaki Takenouchi

This inventor holds 4 USPTO granted patents and 2 published patent applications. Top assignee: Sony Corporation. Active years: 1996-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaki Takenouchi. Retrieved from https://idiyas.com/inventor/masaki-takenouchi

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1996-2000

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4 patents (USPTO):Explore Patents

Title: Masaki Takenouchi: Innovator in Optical Disc Technology

Introduction

Masaki Takenouchi is a prominent inventor based in Miyagi, Japan. He has made significant contributions to the field of optical disc technology, holding a total of 4 patents. His work focuses on enhancing the performance and durability of optical discs, which are essential for data storage and retrieval.

Latest Patents

Among his latest patents, Takenouchi has developed an optical disc featuring a protective layer that is thicker at its outer edge. This innovation includes a functional film formed by a thin metal plate and a protective film on a transparent substrate. The protective film meets specific conditions to ensure optimal performance, including a maximum film thickness at the outer periphery that is at least twice the mean film thickness on the data area. Additionally, he has introduced a magneto-optical disc with a metal thin film exhibiting magneto-optical effects. This design ensures superior recording properties and corrosion resistance, even when utilizing highly corrosive thin metal films.

Career Highlights

Masaki Takenouchi has established himself as a key figure in the optical disc industry through his innovative patents. His work has significantly advanced the technology used in data storage, making it more reliable and efficient. He is associated with Sony Corporation, a leading company in the electronics and entertainment sector.

Collaborations

Throughout his career, Takenouchi has collaborated with notable colleagues, including Mikio Yoshida and Nobuhiro Saito. These partnerships have contributed to the development of cutting-edge technologies in optical disc design.

Conclusion

Masaki Takenouchi's contributions to optical disc technology have made a lasting impact on the industry. His innovative patents and collaborations continue to shape the future of data storage solutions.

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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