Ryohheita Hattori

Title: The Innovative Contributions of Ryohheita Hattori

Introduction

Ryohheita Hattori is a notable inventor based in San Jose, California. He has made significant contributions to the field of disk drive technology, holding a total of 5 patents. His work focuses on methods for writing servo patterns and data to disks, which are crucial for the performance of disk drives.

Latest Patents

Hattori's latest patents include a method for writing servo patterns and a disk drive that incorporates a controller for this method. This innovative approach involves providing various drive currents for an actuator while pushing it into a crash stop, defining the actuator's swing range. The method also entails performing write operations for different drive currents to create multiple servo pattern tracks. Additionally, it includes gradually changing the drive current while positioning the read element to search for servo pattern tracks at different radial positions. Another significant patent involves writing servo data to a disk, ensuring that servo sectors are positioned at the same circumferential locations but at different radial positions.

Career Highlights

Hattori is currently employed at Hitachi Global Storage Technologies Netherlands B.V., where he continues to develop cutting-edge technologies in the storage industry. His expertise in servo pattern writing has positioned him as a key player in enhancing disk drive performance.

Collaborations

Some of Hattori's coworkers include Roel Dieron and Satyajit Patwardhan, who collaborate with him on various projects within the company.

Conclusion

Ryohheita Hattori's innovative work in disk drive technology has significantly impacted the industry, showcasing his expertise and dedication to advancing storage solutions. His contributions continue to shape the future of data storage technology.