Ibaragi-ken, Japan

Yasuo Otsubo

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Toshiba. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuo Otsubo. Retrieved from https://idiyas.com/inventor/yasuo-otsubo

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 = 3.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Yasuo Otsubo: Innovator in Optical Technology

Introduction

Yasuo Otsubo is a notable inventor based in Ibaragi-ken, Japan. He has made significant contributions to the field of optical technology, particularly in the development of objective lenses for optical disk drives. His innovative work has led to advancements that enhance the performance and reliability of optical information mediums.

Latest Patents

Otsubo holds a patent for an objective lens and an optical disk driving apparatus that utilizes this lens. The patent describes an objective lens designed to focus a laser beam onto an optical information medium. The lens comprises a lens body and a flange portion arranged on the periphery of the lens body. The surface of the lens body facing the optical information medium is formed with a convex shape, which generates dynamic pressure due to its curvature. This design allows for buoyancy that overcomes the maximum acceleration of the objective lens, preventing collisions with the optical information medium even in the presence of various tilts.

Career Highlights

Yasuo Otsubo has dedicated his career to advancing optical technologies. His work at Kabushiki Kaisha Toshiba has been instrumental in developing innovative solutions for optical disk drives. His patent reflects his commitment to improving the functionality and efficiency of optical systems.

Collaborations

Otsubo has collaborated with notable colleagues, including Hisao Kodama and Shigeru Hoshina. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Yasuo Otsubo's contributions to optical technology, particularly through his patented objective lens, demonstrate his innovative spirit and dedication to enhancing optical systems. His work continues to influence the field and improve the performance of optical disk drives.

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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