Company Filing History:
Years Active: 2020-2024
Title: Takumi Moriyama: Innovator in Memory Device Technology
Introduction
Takumi Moriyama is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of memory device technology, holding a total of 6 patents. His innovative work has advanced the capabilities of memory devices, making them more efficient and effective.
Latest Patents
One of Moriyama's latest patents is titled "Three-dimensional memory device including self-aligned drain-select-level isolation structures and method of making thereof." This invention involves forming an alternating stack of insulating layers and spacer material layers over a substrate. A plurality of arrays of memory opening fill structures is created through this stack, with dielectric plates surrounding each array. The patent details the formation of self-aligned drain-select-level isolation structures between neighboring arrays, enhancing the device's performance.
Another notable patent is "Memory die containing through-memory-level via structure and methods for making the same." This invention describes the formation of memory stack structures through an alternating stack of insulating layers. It includes a trench and a via cavity formed using a single anisotropic etch process, allowing for deeper integration into the substrate. The patent outlines the replacement of sacrificial material layers with electrically conductive layers, improving the overall functionality of the memory device.
Career Highlights
Moriyama is currently employed at Sandisk Technologies Inc., where he continues to push the boundaries of memory technology. His work has been instrumental in developing advanced memory solutions that cater to the growing demands of the tech industry.
Collaborations
Throughout his career, Moriyama has collaborated with notable colleagues, including Satoshi Shimizu and Kiyohiko Sakakibara. These partnerships have fostered a creative environment that has led to groundbreaking innovations in memory device technology.
Conclusion
Takumi Moriyama's contributions to the field of memory devices are noteworthy and impactful. His innovative patents and collaborations reflect his dedication to advancing technology. As he continues his work at Sandisk Technologies Inc., the future of memory devices looks promising.