Masayoshi Murayama

Title: Masayoshi Murayama: Innovator in Semiconductor Technology

Introduction

Masayoshi Murayama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 11 patents. His work focuses on advancements in host controllers and methods for setting sampling phases, which are crucial for improving data reception and processing.

Latest Patents

Murayama's latest patents include innovative designs for a host controller and a semiconductor device. One of his notable inventions is a host controller that samples reception data in both VDS and FDS modes. This device features a VDS phase register and an FDS phase register, which hold phase shift amounts for their respective modes. The controller also includes a mode setting unit to indicate the sampling mode and a sampling position setting unit that selects the appropriate phase shift amount based on the mode. Additionally, a clock phase shift unit adjusts the phase of the input clock signal according to the selected shift amount.

Another significant patent is a sampling phase correcting host controller. This invention performs phase shift corrections of the sampling clock when receiving signals. It includes a phase shift judging section that determines if a phase shift is necessary and a limit value storage section that stores the variance range limit for the phase shift. The device notifies the host when the counter value exceeds the limit, ensuring accurate signal processing.

Career Highlights

Throughout his career, Masayoshi Murayama has worked with notable companies such as Toshiba Corporation and Pioneer Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.

Collaborations

Murayama has collaborated with talented individuals in the field, including Fumitaka Sato and Shigekazu Sumita. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Masayoshi Murayama is a distinguished inventor whose work in semiconductor technology has led to numerous patents and innovations. His contributions continue to impact the industry, showcasing the importance of advancements in host controllers and sampling methods.