Yokkaichi, Japan

Tetsuya Shimizu

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignees: Kioxia Corporation, Toshiba Memory Corporation. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Shimizu. Retrieved from https://idiyas.com/inventor/tetsuya-shimizu-esusahca

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

USPTO Granted Patents = 6 

% Patents Active = 100.0

Average Co-Inventor Count = 5.8

ph-index = 3

Forward Citations = 47(Granted Patents)


Company Filing History:


Years Active: 2018-2025

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6 patents (USPTO):Explore Patents

Title: Tetsuya Shimizu: Innovator in Memory Device Technology

Introduction

Tetsuya Shimizu is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of memory devices, holding a total of six patents. His innovative work has advanced the technology used in memory storage solutions.

Latest Patents

One of Tetsuya Shimizu's latest patents involves a memory device that includes a first memory cell array and a second memory cell array. These arrays are disposed in a first direction with respect to each other. The device features a first contact plug that extends through the first memory cell array and a second contact plug that extends through the second memory cell array. The first memory cell array consists of first electrode layers stacked in a first direction, along with a first semiconductor pillar that extends through these layers. Similarly, the second memory cell array includes second electrode layers and a second semiconductor pillar. The first contact plug is electrically connected to the first semiconductor pillar, while the second contact plug connects to both the second semiconductor pillar and the first contact plug.

Career Highlights

Tetsuya Shimizu has worked with notable companies in the technology sector, including Toshiba Memory Corporation and Kioxia Corporation. His experience in these organizations has allowed him to develop and refine his expertise in memory device technology.

Collaborations

Throughout his career, Tetsuya has collaborated with esteemed colleagues such as Masayoshi Tagami and Jun Iijima. These partnerships have contributed to his innovative work and the advancement of memory device technology.

Conclusion

Tetsuya Shimizu is a key figure in the development of memory devices, with a strong portfolio of patents and a successful career in leading technology companies. His contributions continue to shape the future of memory 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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