This inventor holds 2 USPTO granted patents. Top assignees: Hitachi Global Storage Technologies Japan, Ltd., Hitachi, Ltd.. Active years: 2003-2006.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 227 
1 out of 42,752 
Years Active: 2003-2006
Title: Kazuaki Usui: Innovator in Magnetic Disk Technology
Introduction
Kazuaki Usui is a notable inventor based in Chiyoda, Japan. He has made significant contributions to the field of magnetic disk technology, holding a total of 2 patents. His work focuses on enhancing the reliability and security of data storage systems.
Latest Patents
Usui's latest patents include a system for controlling host access to a storage device based on the physical characteristics of the storage device. This innovative information recording/reproducing system allows a host system to access a magnetic disk apparatus limited to specific conditions. The magnetic disk apparatus features an authentication key generating block that creates an authentication key based on its physical characteristics. Access is controlled through authentication data generated by both the host system and the magnetic disk apparatus.
Another significant patent is an acceleration detecting apparatus for a magnetic disk apparatus. This device can reliably detect disturbances such as shocks and vibrations that may affect the magnetic disk. It employs a pair of acceleration detectors positioned strategically to enhance the detection of rotational disturbances, thereby preventing data destruction during off-track events.
Career Highlights
Kazuaki Usui has worked with prominent companies in the technology sector, including Hitachi, Ltd. and Hitachi Global Storage Technologies Japan, Ltd. His experience in these organizations has contributed to his expertise in magnetic disk technology and data storage solutions.
Collaborations
Throughout his career, Usui has collaborated with talented individuals such as Keiko Watanabe and Kei Yasuna. These partnerships have fostered innovation and development in his projects.
Conclusion
Kazuaki Usui's contributions to magnetic disk technology demonstrate his commitment to improving data storage systems. His patents reflect a deep understanding of the challenges in this field and offer innovative solutions to enhance data security and reliability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile