Katsushi Ohta

Title: Katsushi Ohta: Innovator in Disk Device Technology

Introduction

Katsushi Ohta is a prolific inventor based in Tokyo, Japan, recognized for his significant contributions to disk device technology. With an impressive portfolio of 21 patents, Ohta has established himself as a leading figure in the field of data storage solutions. His work showcases innovative methods that enhance the performance and efficiency of disk drives.

Latest Patents

Among Ohta's recent innovations are his patents for disk devices and their control methods.

One of his notable inventions is a disk device and disk device control method. This invention details a process where a disk medium operates in a first rotation state during access and reverts to a lower rotation state when access is not required. A controller is responsible for receiving read commands from a host device while in this second rotation state, allowing for efficient data retrieval without shifting back to the first rotation state until after the read operation is complete.

Another critical patent is focused on a disk device and data recording method. This invention features a recording medium with several surfaces designated for storing system data vital to the disk device's operations. The controller within the device manages the division of this data into similarly sized portions and coordinates the recording of these segments across different surfaces sequentially, which optimizes the overall performance of data recording.

Career Highlights

Katsushi Ohta has contributed his expertise to notable companies, including Ando Electric Company, where he developed groundbreaking technologies that push the boundaries of data storage solutions. His work in these organizations has notably advanced the capabilities of disk devices, enhancing data storage and retrieval methodologies.

Collaborations

Throughout his career, Ohta has collaborated with accomplished professionals, including Mitsuru Shinagawa and Tadao Nagatsuma. These partnerships have allowed for the exchange of ideas and accelerated innovation, leading to advancements in disk technology.

Conclusion

Katsushi Ohta's commitment to innovation in disk device technology is evident through his extensive patent portfolio and collaborative efforts. As technology continues to evolve, his contributions will undoubtedly influence the future of data storage systems, setting new standards for efficiency and performance in the industry.