Company Filing History:
Years Active: 1995-1999
Title: Itaru Tomisaki: Innovator in Disc Technology
Introduction
Itaru Tomisaki is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of disc technology, holding a total of 6 patents. His work primarily focuses on improving the performance and accuracy of magnetic and optical disc devices.
Latest Patents
Tomisaki's latest patents include innovative devices designed to enhance the functionality of disc systems. One of his notable inventions is a disc device having eccentricity measurement and clock correction. This device accurately follows the eccentricity of an eccentrically chucked disk, ensuring precise data retrieval. It operates with discs that have data tracks featuring uniformly spaced clock marks, which provide a reliable timing standard. The device includes a reproduction circuit, a clock sampling circuit, and an eccentricity magnitude memory section, among other components.
Another significant patent is the disc device providing eccentricity compensation using a head radial. This invention also addresses the challenges posed by eccentric discs. It features a reproduction head mounted on a turnable arm, which detects the rotational angle and produces a head position signal. The device measures eccentricity magnitude and generates a control signal for a phase lock loop, resulting in an eccentricity adjusted clock signal.
Career Highlights
Itaru Tomisaki is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to develop cutting-edge technologies that enhance the performance of disc devices. His innovative contributions have positioned him as a key figure in the advancement of disc technology.
Collaborations
Throughout his career, Tomisaki has collaborated with talented individuals such as Toru Takeda and Satoru Seko. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the field.
Conclusion
Itaru Tomisaki's contributions to disc technology through his patents and work at Sony Corporation highlight his role as an influential inventor. His innovative solutions continue to shape the future of data retrieval and storage systems.