Company Filing History:
Years Active: 1997-2000
Title: Akio Shioya: Innovator in Disk Apparatus Technology
Introduction
Akio Shioya is a notable inventor based in Shizuoka-ken, Japan. He has made significant contributions to the field of disk apparatus technology, holding a total of 2 patents. His work focuses on enhancing the performance and reliability of magnetic recording and reproducing apparatuses.
Latest Patents
Shioya's latest patents include a disk apparatus and a method of controlling the disk apparatus. The disk apparatus features a position signal detector that detects the position of a head with a specified sampling period. It utilizes a controller that operates a manipulated variable to control the positioning of the head, employing a microprocessor and a digital/analogue converter. The system includes timing registers that set the timing of the conversion and manipulated variable registers that convert the manipulated variable into digital/analogue form. Additionally, the controller incorporates advancing means to make a target position trajectory advance towards a specified time, along with a feedforward controller and a feedback controller to enhance control accuracy.
Another significant patent is the method and apparatus for controlling a magnetoresistive effect element head. This innovation allows for the adjustment of the sense current supplied to the magnetoresistive effect element of the MR magnetic head when the apparatus is in a waiting state. By releasing feedback control for positioning the carriage, the life of the MR magnetic head can be prolonged, thus improving the performance of high-output magnetic recording and reproducing apparatuses.
Career Highlights
Akio Shioya is currently employed at Hitachi, Ltd., where he continues to develop innovative technologies in the field of disk apparatuses. His work has contributed to advancements in magnetic recording technology, making significant impacts on the industry.
Collaborations
Shioya has collaborated with notable coworkers, including Yuji Hata and Masahito Kobayashi. Their combined expertise has fostered a productive environment for innovation and development in their projects.
Conclusion
Akio Shioya's contributions to disk apparatus technology and his innovative patents have established him as a key figure in the field. His work continues to influence advancements in magnetic recording technology, ensuring improved performance and reliability in modern devices.