Company Filing History:
Years Active: 1993
Title: Koichiro Nanke: Innovator in Disk Storage Technology
Introduction
Koichiro Nanke is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of disk storage technology, holding a total of 3 patents. His work focuses on enhancing the functionality and efficiency of disk storage apparatuses and optical disk drives.
Latest Patents
One of Nanke's latest patents is for a disk storage apparatus with an actuator locking device. This innovative apparatus includes a loading and unloading mechanism that moves a recording disk from an insertion position to a reproduction position. When the disk is in the reproduction position, a locking mechanism disengages from the actuator, allowing the read/write head to move across the disk's surface. Upon receiving an eject command, the actuator moves to an inner crash stop, and the disk is removed from the reproduction position, engaging the locking mechanism. This design incorporates a magnet to enhance the mechanical locking engagement.
Another significant patent by Nanke involves phase shifting feedback control in an optical disk drive. This invention controls mechanical feedback to a focus servo actuator by shifting the phase of the feedback by an additional 180 degrees. This adjustment eliminates phase margin degradation and prevents servo instability. The phase shift can be induced at various locations along the feedback path, ensuring optimal performance of the optical disk drive.
Career Highlights
Koichiro Nanke is currently employed at International Business Machines Corporation (IBM), where he continues to innovate in the field of disk storage technology. His work has contributed to advancements that improve the reliability and efficiency of data storage solutions.
Collaborations
Nanke has collaborated with notable coworkers, including Hiroshi Matsushita and Henry E Aviles. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Koichiro Nanke's contributions to disk storage technology exemplify the spirit of innovation. His patents reflect a commitment to enhancing the functionality of storage devices, making significant strides in the industry.