Tokyo, Japan

Katsushi Yamashita

This inventor holds 6 USPTO granted patents and 4 published patent applications and 1 EPO patent. Top assignees: International Business Machines Corporation, Sumitomo Bakelite Company Limited. Active years: 2018-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsushi Yamashita. Retrieved from https://idiyas.com/inventor/katsushi-yamashita

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

Calculating rank
USPTO Granted Patents = 6 

% Patents Active = 83.3

 

Average Co-Inventor Count = 4.3

ph-index = 1


Company Filing History:


Years Active: 2018-2019

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6 patents (USPTO):Explore Patents

Title: Katsushi Yamashita: Innovator in Data Recording Technologies

Introduction

Katsushi Yamashita is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of data recording technologies, holding a total of 6 patents. His innovative work focuses on methods and systems for recording data securely and efficiently.

Latest Patents

Yamashita's latest patents include a method and system for recording data that involves encrypting data using a medium key created for each recording medium. The first encrypted data is recorded in a recording medium on a computer apparatus. Additionally, the second encrypted data is obtained by encrypting the medium key using a public key, which is also recorded in the recording medium. Notably, a private key corresponding to the public key is not recorded in the recording medium, enhancing the security of the recorded data.

Career Highlights

Throughout his career, Katsushi Yamashita has worked with notable companies, including IBM and Sumitomo Bakelite Company Limited. His experience in these organizations has contributed to his expertise in data recording technologies and innovation.

Collaborations

Yamashita has collaborated with several professionals in his field, including Norihisa Hoshino and Kohichi Kamijoh. These collaborations have further enriched his work and contributed to the development of advanced data recording methods.

Conclusion

Katsushi Yamashita is a distinguished inventor whose work in data recording technologies has made a significant impact. His innovative patents and collaborations reflect his commitment to advancing the field.

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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