Company Filing History:
Years Active: 2003-2008
Title: Wakako Moriyama – Innovator in Semiconductor Technology
Introduction
Wakako Moriyama is a prominent inventor located in Yokohama, Japan. With a total of six patents to her name, she has made significant contributions to the field of semiconductor technology. Her work addresses the challenges of nonvolatile memory devices, making her a key figure in innovative electronics.
Latest Patents
Among her latest patents, Moriyama has developed methods for manufacturing nonvolatile semiconductor memory devices. One patent outlines a comprehensive process that includes forming a first gate electrode on the peripheral circuit portion and a second gate electrode on the memory cell portion. This method details the introduction of impurities into both regions, followed by the formation of an insulating film above the memory cell portion and an annealing process for the semiconductor substrate.
Another notable patent describes a nonvolatile semiconductor memory device which includes erasable and programmable memory cell transistors, a selection transistor, and a peripheral transistor. The device features post-oxidation films for each gate electrode of the memory cell transistors, ensuring a robust structure that is resilient to oxidizing agents. The insulating film utilized in this design offers improved durability compared to a conventional silicon oxide film.
Career Highlights
Wakako Moriyama is currently associated with Kabushiki Kaisha Toshiba, a leading technology company renowned for its advancements in electronics and computing. Her contributions to the field have been instrumental in advancing nonvolatile memory technology, making her a respected name in the industry.
Collaborations
Throughout her career, Moriyama has collaborated with esteemed colleagues such as Hiroaki Hazama and Akira Goda. These partnerships have led to innovative solutions and enhancements in semiconductor design, showcasing the power of teamwork in the field of technological advancements.
Conclusion
Wakako Moriyama’s work exemplifies the spirit of innovation in semiconductor technology. With her six patents and ongoing contributions at Toshiba, she continues to pave the way for advancements in memory devices. Her achievements inspire future inventors and highlight the importance of collaboration in driving innovation forward.