Yokohama, Japan

Kiyoshi Tsuboi, Deceased

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Tsuboi, Deceased. Retrieved from https://idiyas.com/inventor/kiyoshi-tsuboi-deceased

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 = 2.0

ph-index = 1

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Kiyoshi Tsuboi: A Pioneer in Optical Memory Technology

Introduction

Kiyoshi Tsuboi was a notable inventor known for his contributions to optical memory technology. He was based in Yokohama, Japan, and his innovative work has left a lasting impact on the field of information storage. Tsuboi's dedication to advancing technology is evident through his patent, which showcases his ingenuity and vision.

Latest Patents

Tsuboi held a patent for an optical memory designed for storing and retrieving information through light exposure. This optical disc memory consists of a substrate and a recording layer supported on the substrate. The recording layer is made of a chemically stable dielectric material and a semiconductor that exhibits an optical property that changes reversibly based on the intensity of a laser beam applied through the substrate. His invention also includes a multilayered optical disc memory with a substrate, a recording layer, and a metallic layer, along with a method for optically storing and retrieving information using this technology. Tsuboi's patent is a testament to his innovative spirit and technical expertise, with a total of 1 patent to his name.

Career Highlights

Throughout his career, Tsuboi worked at Kabushiki Kaisha Toshiba, a leading company in technology and electronics. His role at Toshiba allowed him to collaborate with other talented individuals and contribute to groundbreaking advancements in optical memory systems. Tsuboi's work has been instrumental in shaping the future of data storage solutions.

Collaborations

One of Tsuboi's notable collaborators was Takashi Takaoka. Their partnership exemplified the spirit of teamwork and innovation that drives technological advancements. Together, they worked on projects that pushed the boundaries of optical memory technology.

Conclusion

Kiyoshi Tsuboi's contributions to optical memory technology have made a significant impact on the field of information storage. His innovative patent and work at Toshiba reflect his dedication to advancing technology. Tsuboi's legacy continues to inspire future generations of inventors and innovators.

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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