| SUNARROW LIMITED Patent applications |
| Patent application number | Title | Published |
|---|
| 20110042194 | TRANSPARENT KEY, KEY SHEET AND MANUFACTURING METHOD OF KEYSHEET - Disclosed is a transparent key which facilitates position control of a marking portion in the direction of thickness of a key. The transparent key has a transparent key body, a color layer which is formed at a bottom surface of the key body, and is visible through the key body at a time of non-illumination, a first area, and a transparent second area covering the first area from a top surface side. Laser marking is performed more easier for the first area than for the second area. | 02-24-2011 |
| 20100163388 | KEY SHEET AND KEY UNIT HAVING THE SAME - Regarding a key sheet having a plurality of key tops provided at a key base made of a transparent or translucent resin, and a key unit using the key sheet, in order to make the key sheet thinner and thereby make a device using the key sheet, e.g., a cellular phone, thinner, the key sheet comprises a key base made of a transparent or translucent resin; a plurality of key tops provided on said key base; and pressing elements or a pressing element sheet having pressing elements provided at a bottom surface thereof, provided at a bottom surface of said key base, wherein said key base is molded, into a sheet form, of a thermoplastic resin which is solid at a room temperature and obtains adhesive force only in a physical change of hot melting and cooling solidification. | 07-01-2010 |
| 20090174111 | Method of Manufacturing Key Top for Push Button Switch - A method of manufacturing key tops for push button switches is provided, which method includes the step of embossing three dimensional shapes formed in a first mold and/or a second mold into a resin member heated to a predetermined temperature by using the first mold and the second mold to integrally form the resin member into a sheet-like resin member including three dimensionally shaped key tops, with a predetermined gap provided between a first face and a second face of the three dimensionally shaped key top, which respectively face the first mold and the second mold. | 07-09-2009 |
