Yokkaichi, Japan

Masato Miyamoto

This inventor holds 6 USPTO granted patents and 2 published patent applications. Top assignee: Sandisk Technologies Inc.. Active years: 2016-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masato Miyamoto. Retrieved from https://idiyas.com/inventor/masato-miyamoto

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 = 83.3

Average Co-Inventor Count = 3.1

ph-index = 3

Forward Citations = 65(Granted Patents)


Company Filing History:


Years Active: 2016-2025

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6 patents (USPTO):Explore Patents

Title: Masato Miyamoto: Innovator in Three-Dimensional Memory Devices

Introduction

Masato Miyamoto is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of three-dimensional memory devices. With a total of 6 patents to his name, Miyamoto continues to push the boundaries of innovation in this critical area of technology.

Latest Patents

Miyamoto's latest patents include groundbreaking advancements in three-dimensional memory devices. One of his notable inventions is a three-dimensional memory device containing integrated contact-and-support assemblies and methods of making the same. This semiconductor structure features an alternating stack of insulating layers and electrically conductive layers, with memory openings that extend vertically through the stack. The invention also includes memory opening fill structures and an integrated contact-and-support assembly that enhances the device's functionality.

Another significant patent is focused on a three-dimensional memory device containing a memory opening monitoring area and methods of making the same. This method involves forming an alternating stack of insulating layers and spacer material layers over a substrate. It also includes the formation of memory openings and monitor openings, allowing for the determination of characteristics related to the memory openings based on the monitoring structures.

Career Highlights

Miyamoto is currently employed at Sandisk Technologies Inc., where he applies his expertise in semiconductor technology. His work has been instrumental in advancing the capabilities of memory devices, making them more efficient and reliable. His innovative approach has garnered attention in the industry, positioning him as a key figure in the field.

Collaborations

Miyamoto has collaborated with several talented individuals in his career, including Hiroyuki Ogawa and Yuji Fukano. These collaborations have fostered a creative environment that has led to the development of cutting-edge technologies in the semiconductor sector.

Conclusion

Masato Miyamoto is a distinguished inventor whose work in three-dimensional memory devices has made a significant impact on the semiconductor industry. His innovative patents and collaborations highlight his commitment to advancing technology and improving memory device performance.

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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