Company Filing History:
Years Active: 2025
Title: Ryo Kambayashi: Innovator in Three-Dimensional Memory Devices
Introduction
Ryo Kambayashi is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of memory devices, particularly in the development of three-dimensional memory technologies. With a total of 3 patents to his name, Kambayashi continues to push the boundaries of innovation in this area.
Latest Patents
Kambayashi's latest patents include groundbreaking advancements in three-dimensional memory devices. One of his notable inventions is a three-dimensional memory device that features composite backside metal fill structures. This device comprises an alternating stack of insulating layers and electrically conductive layers, with memory openings that extend vertically through the stack. The innovative design includes a backside trench fill structure, which consists of a backside trench insulating spacer and a backside contact via structure. This structure incorporates a first metallic nitride liner, a first metal core fill conductive material portion, and a second metallic nitride liner.
Another significant patent focuses on a three-dimensional memory device that also includes composite backside metal fill structures and methods for their formation. This invention features an alternating stack of insulating layers and electrically conductive layers over a substrate, with memory stack structures extending vertically through the stack. The backside trench fill structure is a key component, which includes a backside trench insulating spacer and a backside contact via structure that may utilize a tapered metallic nitride liner.
Career Highlights
Kambayashi is currently employed at SanDisk Technologies Inc., where he continues to develop innovative memory solutions. His work has been instrumental in advancing the capabilities of memory devices, making them more efficient and effective for various applications.
Collaborations
Throughout his career, Kambayashi has collaborated with notable colleagues, including Fumitaka Amano and Rahul Sharangpani. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.
Conclusion
Ryo Kambayashi is a distinguished inventor whose work in three-dimensional memory devices has made a significant impact on the industry. His innovative patents and collaborations highlight his commitment to advancing technology in this vital field.