Company Filing History:
Years Active: 2023-2025
Title: Innovator Profile: Shohei Kamisaka
Introduction
Shohei Kamisaka is a prominent inventor based in Kanagawa, Japan. With a remarkable portfolio of four patents, Kamisaka has made significant contributions to the field of semiconductor memory technology. His innovative approaches in memory structure fabrication have advanced the capabilities of modern memory devices.
Latest Patents
Kamisaka's recent patents exhibit his expertise in the development of three-dimensional memory structures. His first notable patent, titled "Three-dimensional memory structure fabricated using repeated active stack sections," outlines a method for creating a three-dimensional memory structure above a semiconductor substrate. This involves the formation of two or more active stack sections separated by dielectric buffer layers. The innovative technique enables the construction of multilayer structures that enhance memory performance.
Another patent, "Three-dimensional memory structure fabrication using channel replacement," details a process for producing a three-dimensional NOR memory string of storage transistors. This method implements channel-last fabrication, using silicon germanium as a sacrificial layer, which is later replaced by the channel material. This approach helps in avoiding excessive high-temperature processing, thereby improving the integrity of the device.
Career Highlights
Shohei Kamisaka is associated with Sunrise Memory Corporation, where he applies his vast knowledge in semiconductor technologies. His contributions have not only earned him multiple patents but also a reputation as a leader in the innovation of memory devices.
Collaborations
Throughout his career, Kamisaka has collaborated with talented professionals in the field, including Vinod Purayath and Yosuke Nosho. These partnerships have further amplified his innovative capabilities and have led to the successful development of advanced memory technologies.
Conclusion
Shohei Kamisaka continues to push the boundaries of semiconductor memory technology through his inventive work. His patents reflect a deep understanding of complex fabrication techniques, solidifying his position as a key figure in the field. As the memory technology landscape progresses, Kamisaka's contributions will likely influence future advancements, benefiting both industry and academia alike.