| KOHOKU KOGYO CO., LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120021387 | PAINT SET - Provided is a paint set that can allow optimal colors to be easily selected, mixed and arranged and, at the same time, can attain a learning effect about three attributes of colors or a hue circle even during work production. A plurality of chromatic color paints each having a hue are arranged circularly in a storage case to constitute a hue circle. | 01-26-2012 |
| 20110194819 | CONNECTOR COMPONENT FOR OPTICAL FIBER, MANUFACTURING METHOD THEREOF AND OPTICAL MEMBER - A connector component for optical fibers has good dimensional accuracy and parallelism. The connector component includes a base material. The base material is provided with at least two holes for inserting and fixing optical fibers therein. The base material is made of quartz glass. Inner components are arranged for forming holes for inserting optical fibers in a die for forming an outer form of the connector component with a dimensional accuracy equal to or less than 2 μm. Slurry is poured into the die, the slurry including quartz powder, a resin binder, a dispersant, water and a curing agent. The poured slurry is cured and heated under vacuum so as to vitrify the cured slurry to obtain the quartz glass. | 08-11-2011 |
