Inventors list |
Assignees list |
Classification tree browser |
Top 100 Inventors |
Top 100 Assignees |
Chio
Chio Ishihara, Chiba JP
| Patent application number | Description | Published |
|---|---|---|
| 20100051851 | IRON-BASED SOFT MAGNETIC POWDER FOR DUST CORE, METHOD FOR PRODUCING THE SAME AND DUST CORE - Disclosed herein is an iron powder for dust cores which effectively keeps insulation among iron powder particles and excels in mechanical strength even though the amount of insulating material is reduced to achieve high-density forming and which also exhibits good thermal stability necessary for electrical insulating properties even after heat treatment at high temperatures. | 03-04-2010 |
Chio Ishihara, Matsudo JP
| Patent application number | Description | Published |
|---|---|---|
| 20080267807 | CORE ROD FOR FORMING A CYLINDRICAL GREEN COMPACT, APPARATUS FOR FORMING A CYLINDRICAL GREEN COMPACT, AND METHOD FOR FORMING A CYLINDRICAL GREEN COMPACT - A core rod for forming a cylindrical green compact having an axial protrusion or a radial step portion or dent portion on an inner surface of the cylindrical member by powder compaction, wherein: the core rod is provided with a step portion protruding in a radial direction at least a part on an outer surface thereof; the core rod is divided into two parts, an upper core and a lower core, on a plane that is flush with an upper surface of the step portion; and the upper core and lower core are mechanically joined with fastening members or bonded with an adhesive on a plane along which the core rod is divided. | 10-30-2008 |
Chio Ishihara, Matsudo-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080230737 | Method for producing soft magnetic powered core - A method for producing a soft magnetic powdered core comprises a mixing step for forming a raw powder by adding a thermoplastic resin powder to a soft magnetic powder and mixing them, a compacting step for forming a compact by compacting the raw powder into a predetermined shape, a melting and setting step for the resin in which the resin of the compact is melted by heating to at least the melting point of the thermoplastic resin and the melted resin is set by cooling to a room temperature, and a crystallizing step for the resin in which the set resin is heated to not less than the exothermic onset temperature and not more than the endothermic onset temperature, which are measured by DSC analysis of the thermoplastic resin, and is cooled to a room temperature. | 09-25-2008 |
| 20080232995 | Method for producing soft magnetic powdered core - A method for producing a soft magnetic powdered core includes preparing a mixture of a soft magnetic powder and a resin powder, compacting the mixture into a predetermined shape so as to obtain a compact, and heating the compact. The resin powder has a median size of not more than 30 μm, a maximum particle size of not more than 100 μm, and a specific surface area of not less than 1.0 m | 09-25-2008 |