This inventor holds 2 USPTO granted patents. Top assignees: Hitachi Global Storage Technologies Netherlands B.v., International Business Machines Corporation. Active years: 2005-2009.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Fujisawa, JP (2005)
- Kanagawa, JP (2009)
Company Filing History:
1 out of 2,636 
1 out of 166,351 
Years Active: 2005-2009
Title: Kohichiroh Naka: Innovator in Magnetic Disk Technology
Introduction
Kohichiroh Naka is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of magnetic disk technology, holding 2 patents that showcase his innovative approach to improving head gimbal assemblies.
Latest Patents
Naka's latest patents include a method for manufacturing a magnetic disk device with an improved head gimbal assembly. This invention corrects the static attitude of a head gimbal assembly (HGA) with high accuracy. In one embodiment, a vector group is formed that constitutes the shortest path from the initial attitude of the HGA to the final anticipatory attitude. The vector group consists of multiple displacement vectors that provide various static attitude variations when unit shots of laser light are performed on the HGA. The displacement vectors are synthesized while selecting those that give the anticipatory attitude closest to the target attitude. Unit shots equivalent to the number of displacement vectors are performed on the relevant irradiating positions. After measuring the static attitude post-unit shots, the displacement vectors are corrected, forming a new vector group that constitutes the shortest path, thus achieving highly accurate attitude correction.
Another significant patent is the apparatus and method for separating the head gimbal assembly from a bonding jig. In this invention, the head gimbal assembly, a component of a hard disk drive, features a bending portion that has elasticity and is bent at a predetermined angle under an unloaded condition. The slider is bonded to a holding portion by mounting the head gimbal assembly on a bonding jig while the bending portion is stretched. When separating the head gimbal assembly from the bonding jig post-bonding, the bending portion does not restore freely, which can lead to the head gimbal assembly being caught by the bonding jig during the separation process, sometimes resulting in a locked state.
Career Highlights
Throughout his career, Kohichiroh Naka has worked with prominent companies such as Hitachi Global Storage Technologies and IBM. His experience in these organizations has contributed to his expertise in magnetic disk technology and innovation.
Collaborations
Naka has collaborated with notable coworkers, including Tatsushi Yoshida and Yohtaroh Ichimura. Their combined efforts have further advanced the field of magnetic disk technology.
Conclusion
Kohichiroh Naka's contributions to magnetic disk technology
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile