Yuji Hisamatsu

Title: Yuji Hisamatsu: Innovator in Semiconductor Technology

Introduction

Yuji Hisamatsu is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on enhancing memory efficiency and improving image drawing apparatuses.

Latest Patents

His latest patents include an image drawing apparatus and a display apparatus with increased memory efficiency. According to the embodiments, the image drawing apparatus comprises an SRAM and a transaction conversion unit. This unit is designed to convert a transaction based on a virtual address, which indicates a pixel position in the SRAM's storage area, into a transaction based on a physical address in the SRAM. The storage area is divided into multiple windows, and the transaction conversion unit determines the conversion based on whether the pixel position indicated by the virtual address is within the assigned area.

Another significant patent is for a semiconductor integrated circuit. This circuit includes a bus master, a bus slave, and a clock gating circuit. The bus master outputs an access request, while the bus slave transmits a response to this request. The clock gating circuit is responsible for shutting off clocks supplied to the bus slave. The bus slave features a control circuit that outputs first and second signals in response to the access request, along with additional circuits that manage the response to the bus master.

Career Highlights

Yuji Hisamatsu has worked with prominent companies in the technology sector, including Kabushiki Kaisha Toshiba and Toshiba Electronic Devices & Storage Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.

Collaborations

Some of his notable coworkers include Takashi Takemoto and Shinichi Shionoya. Their collaboration has likely contributed to the advancements in the projects they have worked on together.

Conclusion

Yuji Hisamatsu's contributions to semiconductor technology through his patents and career achievements highlight his role as an influential inventor in the field. His work continues to impact the industry positively.