Company Filing History:
Years Active: 2019-2020
Title: **Shigeyuki Sugihara: Innovator in Three-Dimensional Memory Devices**
Introduction
Shigeyuki Sugihara, an innovative inventor from Yokkaichi, Japan, has made significant contributions to the field of technology through his pioneering work in memory device architecture. With a total of two patents to his name, Sugihara's inventions are poised to advance the functionality and performance of memory devices in a rapidly evolving digital landscape.
Latest Patents
Sugihara's latest patents illustrate his expertise in three-dimensional memory technology. The first patent, titled **"Three-dimensional memory device having level-shifted staircases and method of making thereof,"** describes a method for forming a substrate with horizontally offset top surfaces. This design incorporates an alternating stack of insulating layers and spacer materials, effectively creating staircase regions that enhance memory stack structures. This innovative approach includes the use of electrically conductive layers as spacers, enabling improved device performance.
His second patent, **"Three-dimensional memory device having on-pitch drain select gate electrodes and method of making the same,"** focuses on the architecture of memory stack structures integrated with drain select level assemblies. By forming cylindrical electrode portions with precise periodicity, this patent enables effective memory stack isolation and enhanced electrical performance, which are crucial for modern memory applications.
Career Highlights
Shigeyuki Sugihara is associated with SanDisk Technologies Inc., where he continues to push the boundaries of memory device innovation. His contributions have not only advanced the company's research and development efforts but have also positioned him as a leading figure in the technology sector.
Collaborations
Throughout his career, Sugihara has collaborated with noteworthy colleagues, including Takashi Orimoto and James K. Kai. These collaborations have fostered a productive environment for innovation and allowed for the sharing of knowledge and expertise, which are essential for driving advancements in memory technologies.
Conclusion
As an accomplished inventor, Shigeyuki Sugihara's work has significantly impacted the development of three-dimensional memory devices. His innovative patents not only reflect his technical expertise but also serve as a foundation for future advancements in the field. As technology continues to evolve, Sugihara's contributions will undoubtedly play a critical role in shaping the future of memory storage solutions.