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Akio Okamiya Patents |
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Inventor: Okamiya; Akio
Address: Miyota-machi, JP
No. of patents: 5
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7176594 |
Motor |
February 13, 2007 |
| A motor that can prevent damages on the fluid dynamic bearing. A ball is press-fitted into the end surface of the shaft body, and the ball is disposed in such a manner that the tip portion of the ball comes to the higher position with respect to the end surface of the annular body. When |
| 7160622 |
Oil repelling agent |
January 9, 2007 |
| An oil repelling agent to coat a dynamic pressure device, such as a fluid dynamic pressure bearing device, includes a UV coloring agent, a fluorine-based polymer and a solvent. In an exemplary embodiment of the invention, the concentration of the UV coloring agent component is about |
| 6890389 |
Method for treating sulfur free-cutting alloy steel |
May 10, 2005 |
| In order to remove or decrease fine granular sulfides of Mn, Cr, Mo, etc. (Mn--S, Cr--S, Mo--S, etc.) left on a machined workpiece surface of sulfur free-cutting alloy steel without affecting the form and dimensional accuracy thereof, there is provided a method for treating the sulfur |
| 6734590 |
Motor |
May 11, 2004 |
| A motor that can prevent damages on the fluid dynamic bearing. A ball is press-fitted into the end surface of the shaft body, and the ball is disposed in such a manner that the tip portion of the ball comes to the higher position with respect to the end surface of the annular body. When |
| 6559573 |
Spindle motor and pivot assembly |
May 6, 2003 |
| A shaft 2 of a spindle motor is composed of a steel material including 0.20 wt % of C, 0.35 wt % of Si, 8.00 wt % of Mn, higher than 0 and equal to or less than 0.05 wt % of P, 0.15 wt % of S, higher than 0 and equal to or less than 2.00 wt % of Ni and 14.00 wt % of Cr and the remainder |
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