Mitsuhiro Tomoeda

Title: Mitsuhiro Tomoeda: Innovator in Nonvolatile Semiconductor Memory Technology

Introduction

Mitsuhiro Tomoeda is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of nonvolatile semiconductor memory devices. With a total of 5 patents to his name, Tomoeda's work has advanced the efficiency and effectiveness of memory technology.

Latest Patents

Tomoeda's latest patents include innovative designs aimed at improving the performance of nonvolatile semiconductor memory devices. One notable patent focuses on a nonvolatile semiconductor memory device that has reduced erasing time. This invention employs a method of collectively applying an erase pulse to a memory block, which minimizes the number of erase pulses applied to memory cells that have passed verification. This approach reduces the total block erase time significantly compared to conventional structures.

Another important patent addresses the suppression of threshold voltage variation in memory cell transistors. In this design, the voltage of the ground level is selectively supplied to only one word line during the erasure operation. By applying an erasure pulse to a source line, the threshold voltages of memory cell transistors are shifted, while another group of transistors remains unaffected. This innovation enhances the reliability and performance of memory devices.

Career Highlights

Throughout his career, Mitsuhiro Tomoeda has worked with notable companies, including Renesas Technology Corporation. His expertise in semiconductor technology has positioned him as a key figure in the development of advanced memory solutions.

Collaborations

Tomoeda has collaborated with esteemed colleagues such as Satoshi Shimizu and Atsushi Ohba. Their combined efforts have contributed to the advancement of semiconductor technology and innovation.

Conclusion

Mitsuhiro Tomoeda's contributions to nonvolatile semiconductor memory technology have made a lasting impact on the industry. His innovative patents and collaborations highlight his dedication to advancing memory solutions. Tomoeda's work continues to influence the future of semiconductor technology.