US Patents

US10884376 Holographic display apparatus having steerable viewing window

US10338525 Holographic display apparatus having steerable viewing

US7173512 Thermistor having improved lead structure and secondary battery having the thermistor 

US7173511 Surface-mounted thermistor and manufacturing method thereof 

US7145431 Thermistor having symmetrical structure 

US7041238 Conductive polymer having positive temperature coefficient, method of controlling positive temperature coefficient property of the same and electrical device using the same 

US6965293 Electrical device having PTC conductive polymer