Norio Hamada

Title: Norio Hamada: Innovator in Data Transfer Technology

Introduction

Norio Hamada is a notable inventor based in Odawara, Japan. He has made significant contributions to the field of data transfer technology, particularly in magnetic disk controllers. His innovative approach has led to advancements that enhance the efficiency of data transfer systems.

Latest Patents

Hamada holds a patent for a "Controller of paths for data transfer in system having external memory." This invention involves a magnetic disk controller equipped with a cache memory for disks. The controller includes high order paths for data transfer between a high order channel apparatus and the cache memory through a specific channel adaptor. It also features low order paths for data transfer between a low order device, such as a magnetic disk device, and the cache memory through a designated device adaptor. Importantly, it allows for data transfer between the low order device and the channel device without passing through the cache memory by selecting empty device and channel adaptors through a switch operation. This design improves path utilization efficiency, especially when interrupts are generated from the device.

Career Highlights

Norio Hamada has had a distinguished career at Hitachi, Ltd., where he has been instrumental in developing cutting-edge technologies. His work has not only contributed to the company's success but has also influenced the broader field of data transfer systems.

Collaborations

Hamada has collaborated with notable colleagues, including Shuji Sugimoto and Yoshiro Shiroyanagi. These partnerships have fostered innovation and have been pivotal in advancing their shared goals in technology development.

Conclusion

Norio Hamada's contributions to data transfer technology exemplify the impact of innovative thinking in engineering. His patent and work at Hitachi, Ltd. highlight his role as a key figure in the advancement of magnetic disk controller technology.