Osaka, Japan

Masamichi Kesuka

This inventor holds 1 USPTO granted patent. Top assignees: Hoya Corporation, Nippon Sheet Glass Company, Limited. Active years: 2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masamichi Kesuka. Retrieved from https://idiyas.com/inventor/masamichi-kesuka

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


Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2010

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1 patent (USPTO):Explore Patents

Title: Masamichi Kesuka: Innovator in Information Recording Media

Introduction

Masamichi Kesuka is a notable inventor based in Osaka, Japan. He is recognized for his contributions to the field of information recording media, particularly in the development of substrates used in hard disk drives. His innovative approach has led to advancements that enhance data storage capabilities.

Latest Patents

Masamichi Kesuka holds a patent for a substrate for information recording media and its manufacturing method. This patent includes an information recording medium, such as a magnetic disk, and a starting material glass plate. The invention focuses on controlling the forming conditions of the starting material glass plate to achieve a long-wavelength waviness of not more than 6 nm. The polishing process utilizes CeO abrasive grains, ensuring that the resulting substrate exhibits excellent planarity and can be produced efficiently. This innovation is particularly significant as it addresses the increasing demands for data zone recording density.

Career Highlights

Throughout his career, Masamichi Kesuka has worked with prominent companies, including Nippon Sheet Glass Company, Limited and Hoya Corporation. His experience in these organizations has contributed to his expertise in the field of information recording technologies.

Collaborations

Masamichi has collaborated with notable colleagues, including Koji Okuhata and Kensuki Matsuno. Their combined efforts have furthered advancements in the technology surrounding information recording media.

Conclusion

Masamichi Kesuka's contributions to the field of information recording media have made a significant impact on data storage technology. His innovative patent and career achievements highlight his role as a key figure in this industry.

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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