Koki Ueno

Title: **Koki Ueno - Innovator in Nonvolatile Semiconductor Memory Technology**

Introduction

Koki Ueno is a renowned inventor based in Yokohama, Japan, specializing in semiconductor technology. With a remarkable portfolio that includes 40 patents, Ueno has significantly contributed to the field of nonvolatile semiconductor memory devices.

Latest Patents

Among his latest innovations is a nonvolatile semiconductor memory device that features a memory cell array and a control circuit capable of applying varying reading voltages. This invention encompasses two distinct reading operations: the first involves reading a threshold voltage in a selected memory cell by adjusting the voltage between a control gate electrode and the source. The second operation, set at a lower voltage, continues to maintain the control gate electrode at zero or a positive voltage during the reading process. This technology enhances memory performance and increases efficiency in data retrieval.

Career Highlights

Throughout his career, Koki Ueno has worked with prominent companies, particularly with Toshiba Corporation and Toshiba Memory Corporation. His expertise in semiconductor technologies has propelled advancements in memory devices, showcasing his innovative spirit.

Collaborations

Ueno has also collaborated with notable colleagues, including Yasuhiro Shiino and Eietsu Takahashi. Their combined expertise has fostered a productive environment, leading to several successful patent applications and cutting-edge inventions in the semiconductor sector.

Conclusion

Koki Ueno's contributions to the field of nonvolatile semiconductor memory devices demonstrate his commitment to innovation and technological advancement. With a strong career defined by successful collaborations and numerous patents, Ueno continues to influence the future of memory technologies and remains a key figure within the industry.