Katsumi Iyanagi

Title: Katsumi Iyanagi: Innovator in Nonvolatile Semiconductor Memory Technology

Introduction

Katsumi Iyanagi is a prominent inventor based in Mie-ken, Japan. He has made significant contributions to the field of semiconductor technology, particularly in nonvolatile memory devices. With a total of 7 patents to his name, Iyanagi's work has had a substantial impact on the industry.

Latest Patents

Iyanagi's latest patents include innovative designs for nonvolatile semiconductor memory devices. One of his notable inventions is a memory cell array that features a memory string and a select transistor. This design includes multiple memory cells connected in series, extending in a lengthwise direction. The select transistor is strategically connected to one end of the memory string. Additionally, the wiring section consists of alternating layers of a conductive layer and an interlayer insulating layer. The conductive layer serves as the gate electrode for both the memory cells and the select transistor. Another significant patent describes a non-volatile memory device that incorporates a first interconnection and multiple second interconnections, enhancing the device's functionality and efficiency.

Career Highlights

Katsumi Iyanagi is associated with Kabushiki Kaisha Toshiba, a leading company in the technology sector. His work at Toshiba has allowed him to push the boundaries of semiconductor memory technology. Iyanagi's inventions have not only advanced the field but have also contributed to the company's reputation as an innovator in electronics.

Collaborations

Throughout his career, Iyanagi has collaborated with notable colleagues, including Takafumi Taguchi and Toshiya Kotani. These collaborations have fostered a creative environment that has led to groundbreaking advancements in semiconductor technology.

Conclusion

Katsumi Iyanagi's contributions to nonvolatile semiconductor memory technology exemplify his innovative spirit and dedication to advancing the field. His patents reflect a deep understanding of complex electronic systems and a commitment to improving memory device functionality. Iyanagi's work continues to influence the industry and inspire future innovations.