Inventor
TSAI CHANG-DA
TW13 patents
⚠️ This page may combine multiple inventors who share the name “TSAI CHANG-DA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OPTO TECH CORP
5 patentsUS6716654B2Apr 6, 2004
Light-emitting diode with enhanced brightness and method for fabricating the same
OPTO TECH CORP64 citations93
US6903381B2Jun 7, 2005
Light-emitting diode with cavity containing a filler
OPTO TECH CORP29 citations92
US6686218B2Feb 3, 2004
Method for packaging a high efficiency electro-optics device
OPTO TECH CORP20 citations91
US6603151B2Aug 5, 2003
Method and structure for packaging a high efficiency electro-optics device
OPTO TECH CORP24 citations91
US6717711B2Apr 6, 2004
Structure and method for forming a high efficiency electro-optics device
OPTO TECH CORP4 citations61
NAT SCIENCE COUNCIL
3 patentsUS5952885ASep 14, 1999
Current-to-voltage converter with highpass filter function
NAT SCIENCE COUNCIL6 citations59
US5701100ADec 23, 1997
Second-order highpass difference filter
NAT SCIENCE COUNCIL3 citations59
US5952878ASep 14, 1999
Second order differential highpass filter
NAT SCIENCE COUNCIL4 citations54