Mitsuhiko Oguchi

Title: Mitsuhiko Oguchi: Innovator in Magnetic Disk Storage Technology

Introduction

Mitsuhiko Oguchi is a prominent inventor based in Ebina, Japan. He has made significant contributions to the field of magnetic disk storage technology. With a total of 3 patents, Oguchi has developed innovative methods and systems that enhance the reliability and efficiency of disk array systems.

Latest Patents

Oguchi's latest patents include a magnetic disk storage device control method, a disk array system control method, and a disk array system. These inventions focus on preventing starting-up problems in multiple magnetic disk storage devices during restarts after long-term operation. The disk array system comprises several magnetic disk storage devices, a microprocessor unit (MPU) for control, a control memory, a parity calculator, and cache memory. The control memory contains an operation time control table that stores tolerable continuous operation time (Ti) and halt time (Ts). Each magnetic disk storage device is intentionally stopped for the halt time Ts at intervals of the tolerable continuous operation time Ti. This innovative approach allows for data recovery and writing to alternate spare devices or memory during halts.

Career Highlights

Mitsuhiko Oguchi is currently employed at Hitachi, Ltd., where he continues to advance technology in the field of magnetic storage. His work has been instrumental in developing systems that improve data integrity and operational efficiency.

Collaborations

Oguchi has collaborated with notable colleagues, including Tsutomu Sukigara and Yuichi Otani. Their combined expertise has contributed to the success of various projects within the company.

Conclusion

Mitsuhiko Oguchi's contributions to magnetic disk storage technology demonstrate his innovative spirit and commitment to enhancing data storage systems. His patents reflect a deep understanding of the challenges in the field and provide effective solutions for future advancements.