Sumio Obata

Title: The Innovations of Sumio Obata

Introduction

Sumio Obata is a notable inventor based in Ashigarakami, Japan. He has made significant contributions to the field of magnetic disk technology, holding a total of 2 patents. His work focuses on optimizing recording and reproducing methods to enhance memory capacity without compromising information error rates.

Latest Patents

Obata's latest patents include a method and apparatus for optimizing the recording and reproducing of magnetic disk devices. This innovation allows for increased memory capacity by making the number of sectors at a given circumference of the disk variable according to the radial direction of the disk. The variability in the number of sectors is determined by a predetermined information error rate, which is calculated from the ratio of reproduced signal output to the noise from the head, disk, and amplifier at maximum recording and reproducing frequencies at specific radial positions along the disk.

Career Highlights

Throughout his career, Sumio Obata has worked with prominent companies such as Hitachi, Ltd. and Hitachi Computer Peripherals Co., Ltd. His experience in these organizations has contributed to his expertise in magnetic disk technology and innovation.

Collaborations

Obata has collaborated with notable coworkers, including Toshiaki Tsuyoshi and Yoshihiro Moribe. Their collective efforts have further advanced the field of magnetic disk technology.

Conclusion

Sumio Obata's contributions to magnetic disk technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for advancements in data storage solutions.