Mamoru Ohba

Title: Mamoru Ohba: Innovator in Graphics Computing

Introduction

Mamoru Ohba is a notable inventor from Hitachi, Japan, recognized for his contributions to graphics computing technology. With a total of five patents to his name, Ohba has made significant advancements in reducing the size and cost of graphics computer hardware.

Latest Patents

One of Ohba's latest patents focuses on a graphics computer designed to minimize hardware size and expenses. This innovation unites the frame buffer and the main memory into a single unit, allowing the CPU to process graphics data more efficiently. The frame buffer is integrated within the main memory, and the graphics computer features a Direct Memory Access Controller (DMAC) that reads pixel data for display. It also includes a display device, such as an LCD, and memories that store the procedures used by the CPU to render pixel data. The design allows for the selection of single function and multifunction procedures tailored to the drawing object. Notably, the single function procedure incorporates line drawing and multivalue expansion procedures, utilizing data tables and pattern tables. This integration leads to a reduction in hardware size and cost, showcasing Ohba's innovative approach to graphics computing.

Career Highlights

Throughout his career, Mamoru Ohba has worked with prominent companies, including Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience in these organizations has contributed to his expertise in the field of graphics technology.

Collaborations

Ohba has collaborated with talented individuals such as Mitsuru Watabe and Rika Minami, further enhancing his work in graphics computing.

Conclusion

Mamoru Ohba's innovative contributions to graphics computing have significantly impacted the industry by reducing hardware size and costs. His patents reflect a deep understanding of technology and a commitment to advancing the field.