Company Filing History:
Years Active: 1986
Title: Sinji Mizunuma: Innovator in Magnetic Recording Technology
Introduction
Sinji Mizunuma is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of magnetic recording technology. His innovative work has led to the development of a unique head positioning system that enhances the performance of magnetic recording and playback apparatus.
Latest Patents
Mizunuma holds a patent for a "Head positioning system for magnetic recording/playback apparatus." This system employs a stepping motor that compensates for tracking errors caused by hysteretic movement. It incorporates means for recognizing the track to which the magnetic head is positioned and utilizes memory means to store data for compensating positioning errors. The stepping motor is controlled through the modulation of excitation voltage, ensuring precise operation.
Career Highlights
Throughout his career, Mizunuma has been associated with Hitachi, Ltd., where he has contributed to various projects in magnetic technology. His expertise in this area has made him a valuable asset to the company and the industry as a whole.
Collaborations
Mizunuma has worked alongside talented colleagues, including Masayoshi Sunada and Shigemitsu Higuchi. Their collaborative efforts have further advanced the field of magnetic recording technology.
Conclusion
Sinji Mizunuma's innovative contributions to magnetic recording technology exemplify the impact of dedicated inventors in the field. His patent and collaborative work continue to influence advancements in this critical area of technology.